I would take it somewhere and have them test it. I would start by checking the DME for fault codes. i have noticed my car has a hard start when turning on. When leaving a comment, please leave your vehicle information. They can figure out what part or repair kit you need. Yes it is enough. Give our parts specialists a call at 1-888-280-7799. I have a 2007 328I BMW.I can drve about 15 miles @ 75 MPH and the yellow temp. Sounds like a sensor issue. Mixes the coolant throughout its volume the radiator is divided into two, a circuit for the engine and a circuit for the automatic transmission I will try to clamp the hose from the radiator to the cooling of the transimitiom to test if it is from the radiator. It could be the cause of your overheating issue. Thanks, Could be a sensor for the fan. Ramjet. Remove the secondary air pump pressure hose clamp from the top of the thermostat. Everything is purchased by us!\r\rThe video is meant for entertainment purposes only. - Nick at Pelican Parts, I have a 320i E90 2005 model. But then within about 60 seconds it will steadily climb up to 230F+ and I will get the overheating alarm. The fan may be faulty or the coolant sensor or thermostat signal is wrong. - Nick at Pelican Parts. I replaced the coil and car isn't shaking anymore and sounds like normal. now my car overheats, they say its the thermostat because my car is a 2007 model and it needs to be changed. If faulty, it could cause this issue. Any suggestions? Next, the cooling fan must be replaced. If the system will not hold pressure and there are no external leaks the head gasket may be faulty. I changed thermostat on my wifes car 2007 BMW X3. When the power supply has been removed, ensure the piston fully retracts. All rights reserved. Install coolant hoses, listen for an audible click to confirm clips have engaged. Hello my 06 BMW 325xi waterpump, thermostat, radiator hose & both sensors has been changed. Genuine BMW replacement for part #11537594319. - Nick at Pelican Parts. Replaces BMW part #11531436386. The average cost for a BMW 328i thermostat replacement is between $458 and $523. My325i E90 kicks on the fan immediately after starting it. hello. The sensor should not cause an overheating situation. OEM thermostat to regulate cooling system temp. I havent received the red over heating signal yet. hello.My car is BMW 120i 2005 225000km.I have an issue with coolant temp.Before 2 years i replaced the thermostat behr-wahler and behr radiator.Before 2 weeks i replaced the radiator oem because i have leaks at behr radiator.I noticed the coolant temperature not to reach easily at 105-108o degrees as usual.Many times drops without load at 102o degrees Also don't reach 106,107,108 o degrees while drive very economy with cruise control as usual.I have problem with thermostat,coolant temperatures or something else? While removing my thermostat, I noticed the plug place had moved to be in front of the bolt head. 4. If you are working on a turbocharged E90 3 series (like the 335i we are using for this article), please proceed to the next step to remove the turbo intercooler from the bottom of the radiator. A thermostat is essentially made up of a cylinder filled with wax and a spring-loaded piston attached to a valve. It seems to me that the thermostat is open and not allowing the engine temperature to rise to an optimum level. You can choose to only replace the pump and skip the thermostat, though we don't recommend it. My 2006 Bmw 325xi E90 fan turns on too loud.Is it normal?I just replaced thermostat week ago.What do you think might be the problem?Bad Thermostat? Hello, I have a 2006 Bmw 325i e90 I replace the thermostat and water pump and the running temperature its from 60C to 67C, seems like the thermostat fails open, I replace the thermostat twice and doesn't solve the problem, and the service engine light indicates is the thermostat, any ideas? - Nick at Pelican Parts, Hi, I have a european 2.0 liters BMW Z3 with M52tu engine. Install fan shroud and fill and bleed cooling system. Replacing the thermostat in your N62 V8 engine is very straightforward and can be easily done by the home mechanic with average abilities. When I turn to heat it will go off. The N62 was the direct successor to the M60/M62 V8 engine of the 1990s and was recognized for its technological advancements that created better fuel economy, lower emissions, and greater reliability. I would assume so, if it is not turning on. Yes, if the fan does not come on, the condenser is not cooled properly as lower speeds. I like to remove the radiator when I have to replace a thermostat, it adds time to the job, but makes it a lot easier. I would need your year and model to try to find the temp info. Is it right? As the wax cools and contracts, the spring returns the piston to the closed position. After it is finished you can start the vehicle and check for normal operation. Check the wiring harness for a short or possibly a faulty DME. The DME (engine control module) controls and monitors operation of the thermostat. Coolant will remain inside the engine block until the engine reaches a predetermined temperature that opens the thermostat. Pull the hose free from the thermostat. Use a 10mm socket wrench to remove the two bolts. View the detailed parts diagram for this repair. I greatly appreciate your input. Do not Attempt!\r\r\rAMAZON ASSOCIATES DISCLOSURE\rElectrical Car Repair LIVE is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com\r\r*Disclaimer\rWe, Electrical Car Repair LIVE, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. How much is a thermostat on a 2007 BMW 328i? You can also try the bleeding procedure, when trying it, monitor the water pump to see if it comes on. If you have this fault code, replace your thermostat and bleed your cooling system. Check out our Basic Maintenance section, which has all the parts you'll need to get your vehicle running its best, including filters, fluids, brakes, spark plugs, lighting, and more for your E90! Replaces BMW part #11537549476. They can figure out what part or repair kit you need. $616. Use our. It is mounted to the cylinder head at the front of the engine. - Nick at Pelican Parts, Hi, I'm replacing my water pump and thermostat on my 07 328xi, and I noticed the power steering loop is different, as is the sway bar, any advice on the best way to disconnect them to add a little room? - Nick at Pelican Parts. Coolant or hot steam may escape and will scald you. After driving around for a while the vehicle willintermittentlyloose heat and then start overheatingtemp above 90 C. When it starts overheating I loose heat inside the car and the cooling fan is extraordinarily loud. I thinking my thermostat stays in the open position. If your BMWs thermostat housing has an electrical connector, you must bench test your thermostat with a 12v power supply. The calibrated thermostat opens and closes at a certain temperature based on your engines specifications. Give The Pelican Parts parts specialists a call at 1-888-280-7799. Another common cause of thermostat failure is due to deposits and corrosion, usually from a coolant system that has not been properly maintained. Replacement original thermostat for N55 engines. Install fan shroud and fill and bleed cooling system. Grasp the front of the thermostat and rotate it so the rear cylinder head coolant line can be accessed. Get the full manual https://haynes.com/en-au/bmw/3-series/2008-2012What's covered:BMW 3 Series E90, E91 2008-2012Rear wheel driveSeries E90, E91Body Sedan, TouringEngine Petrol: 2.0-litre (N43 B20AY - 2008-2011), (N43 B20UO - 2010-2012), (N43 B20A/AA - 2008-2012) DOHC 16-valve 4-cylinderDiesel: 2.0-litre (N47) DOHC 16-valve 4-cylinderDiesel: 3.0-litre (N57 -9/2008) DOHC 24-valve inline 6-cylinderDiesel: 3.0-litre (M57T2 10/2008-) DOHC 24-valve inline 6-cylinderPLEASE NOTE that this manual is intended for vehicles built to UK specifications. With AutoZone's Same Day Store . It was not in this position earlier. Aftermarket coolants actually cost more than Genuine BMWso why would you use them? Thermostats with a built-in electrical heater will cost around $48 for an OEM equivalent and about $105 for a Genuine BMW part. Any info, procedure or video is greatly appreciated, What is the year and model of the vehicle? - Nick at Pelican Parts. The good news is twofold if you have a failing thermostat: 1) N62 thermostats are "fail-safe"they will always fail in the open position so the engine does not overheat and 2) replacing the thermostat is relatively simpleit is easily accessible on the front of the engine and you do not need to remove the water pump (or a significant amount of parts) to replace it. Your location and vehicle may affect the price of Thermostat Replacement. Is hot coolant getting to the heater core? Open the bleed screw, turn key on, turn defrost to high, then top off coolant until full? No sealant required. Direct replacement for BMW part #11537835558, OEM replacement thermostat for your cooling system. But after like 20 minutes of driving I can hear the fan in the front turn on, as it sounds like an airplane. (adsbygoogle = window.adsbygoogle || []).push({}); The cooling system on any BMW is critical to maintaining performance and longevity of your engine. What I have noticed now that our weather is much colder is that the cabin takes much longer to heat up and the oil temperature doesn't rise much above the lowest indication of 160 degrees. No, to check if the water pump works, try the bleed procedure, does the water pump activate? The car is runing cold around 75 - 85 degrees C, there is no heating. That will tell you if the sensor is working or not. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. INPA is an engineering tool and may not display fault codes correctly. Check the wiring to the thermostat. - Nick at Pelican Parts. Also, would it be a good idea to replace the water pump with it? The thermostat will. Confirm there is a steady stream of coolant out of the small hole in the coolant reservoir. is between. They can figure out what part or repair kit you need. Mechanically, the thermostat is a very simple device. Hi, I have a 2007 BMW 335xi that leaks coolant from what looks like right around the thermostat or water pump area but only after the car has been running for 15 minutes or so. it stays cold the entire time in the car. I found a replacement part 12521438159 the entire connector. If you have a thermometer, double-check the thermostat is opening at the correct temperature stamped on the part. Either condition can result in poor performance, and potential damage to vital components in your vehicle. sometimes it finishes the water from the coolant very fast. - Nick at Pelican Parts. My 2008 328xi has minimum heat in the habitacle. See our tech article on cooling system draining and filling. Also includes BMW projects, tips and more. A fault code can be present yet the vehicle will lack any cooling system issues, such as overheating. At this point if I turn off the car and then restart it after 30sec or so it immediately cools back down to proper operating temp and the heater starts bowing warm again. BMW E60 Coolant Flush 2004-2010 5 Series N52 6 cyl. Other symptoms of a faulty thermostat are engine overheating, engine slow to warm up and lack of heat. I got 2006 e90 got code thermostat and camshaft sensor and Im about to replace it today, however, my car never overheated or anything I just feel like it souds little louder and hesitates little bit when it starts do you think if I replace thermostat and the camshaft position sensor will make it run smoother ?? I broke mine and I can't find a part number, do you have one for replacement? It is mounted to the cylinder head at the front of the engine. Could be a faulty thermostat, poor circulation due to failing coolant pump or a head gasket. The car does not overheat. In that first picture, you point to the insulator. - Nick at Pelican Parts. I tested the electric water pump and it works. the engine temp is around 150F when i drive. Does this effect whether the element works properly? Thanks! As a quick reference guide, engine overheating may be the result of a low coolant level, a faulty water pump, a leaking or clogged radiator, a warped thermostat housing or a broken head gasket. A thermostat that stays closed and does not allow coolant to pass through the radiator will result in an overheating engine. Hi my 2005 325i e90 bmw had overheating problem last November. if so, the thermostat is likely at fault. Let us know what you find. - Nick at Pelican Parts. If the system will not hold pressure and there are no external leaks the head gasket may be faulty. BMW: 5 Series: 1996: Petrol Estate: 530i: RWD -- E34: 2997cc 160KW 218HP M60 B30 (308S1) M60 B40 (408S1) BMW: 5 Series: Simply apply two leads to the connector and verify the heater is working to allow the wax to expand and move the piston. 2017 BMW 320i L4-2.0L Turbo. You now have clear access to the thermostat and its coolant hoses. Section 1 - Preparing the Engine for Thermostat Removal, Section 2 - Removing the Thermostat from the Engine, Section 3 - Installing the New Thermostat and Final Reassembly, Section 4 - Refilling and Bleeding the Coolant System. - Nick at Pelican Parts. INPA never shows the thermostat activating, though it's cold outside right now. . hello i have a bmw 328i 2008 my service engine light has been going on& of for bout a month now and recently it has stayed on. I think this it may be from a faulty radiator. I also tried adding R-134a refrigerant but that did not work. They can figure out what part or repair kit you need. This will result in engine temperature fluctuations and an indication that your vehicles thermostat needs replacement. The temp at the lower hose or thermostat may be too low when driving. The fault codes you have are for the mass air flow sensor, not the cooling system. When the weather gets cold the air will not blow warm and it will overheat if I drive it. - Nick at Pelican Parts. I have a 2010 BMW 335D and I have a bad thermostat. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches. I have the same problems as Nick above me, except I haven't tested to see if it is a constant 12v even when off. As you can just drain the coolant when the T stat get pulled out right that way you keep some coolant in the rad? Before starting this repair, you must have the following required parts. - Nick at Pelican Parts. Thanks! Locate the thermostat on the front of the engine and unplug its heating element. This video tutorial shows you step-by-step how to do it!Our BMW 3-Series manual covers petrol and diesel engines, and includes videos for some of the most common jobs, which you can see here in this playlist. This system maintains a constant temperature of the engine to prevent overheating. I wanted to make sure it's not the water pump or thermostat. For a 2011 Chrysler 200, a thermostat replacement would cost about $185, with a new thermostat costing about $90 and the thermostat installation costing . Thanks, best regards, You have to test the circuit for a short, if power is always coming from the DME, it may be faulty. How would I repair the thermostat electrical wire in an E90 N52 325i? When you start your BMW after it has been sitting all night the thermostat is resting in the closed position. Do you need to Replace the thermostat on your BMW 3-Series 2008 to 2012 but don't know where to start? A battery charger should be attached to your vehicle while refilling the system and purging it of air. Affiliate link disclosure The BMW Repair Guide uses affiliate links in their site. Unsnap the intake muffler lid. My new thermostat is the same way. Poor cooling maintenance will result in overheating and potentially do permanent damage to your vehicle. Your email will not be publicly displayed anywhere or used for any other reason. The Level of Difficulty displays graphically how challenging the repair is, from beginner to expert. If the thermostat has been proven to be faulty with either boiling water or through the power supply on the bench, replace the thermostat. Also, the old replaced thermostat seems to be still good, it doesn't leak and it's well closed when cold. It's best to change both. To be sure, Give our parts specialists a call at 1-888-280-7799 Genuine BMW replacement thermostat for your cooling system. Hello, I broke the rubber insulator on the power steering loop, do you know where I could find a New one? Good afternoon, I have a 2011 335xi coupe. Direct visual of solid coolant flow. Wahler Engine Coolant Thermostat and Housing Assembly. - Nick at Pelican Parts. After it cools down and I refill the missing coolant, it will drive anywhere from 20-100 miles before it overheats again. Using a small flat blade screwdriver, lift the metal locking clip on the radiator coolant return hose and pull it free from the thermostat. Hi, the rubber gasket of the thermostat housing is enough right? What temperature does a NEW BMW/Wahler thermostat open? Looks like you got the lower stud nut off. My 2008 335i radiator fan came on as soon as I turned on the engine no faults. if Ok, the thermostat may be the cause. The coolant pump appears to work. - Nick at Pelican Parts, Hi,i have 320 2006,and my fan works within 10 min after starteven in cold weather after some high power driving,i dont know its water temp is really high or some thng else order to fan work. Use a small flat blade screwdriver to release the thermostat's electrical plug and pull it free. Thanks. No, that is normal. - Casey at Pelican Parts, Thanks for your previous answer. best bet is to check sensor operation using a scan tool, then command fan on. - Nick at Pelican Parts. Only use Genuine BMW Antifreeze/Coolant mixed 50/50 with distilled water. - Nick at Pelican Parts. Can you estimate # of hours an experienced BMW mechanic would take to replace thermostat housing on e92 '08 335xi requires removal of radiator and fan. $91.99 ( 5 Reviews) Great brake pads, these work great with cross slot / dimpled rotors. Is the bleed process on the E90 the same as it is on the E46? General diagnostics said coil #! Show example BMW 328i Car Thermostat Replacement prices What is an engine cooling system thermostat and how does it work? I turned off the vehicle and opened the hood and started to open the coolant reservoir coolant started to gush out but it wasn't that hot it was only warm. Other E90 and E92 owners think it's in the normal range, but it feels a lot hotter than before to me. This is a huge expense, but a relatively small one considering we are always in need of an adjustment. after a month I decided it needed the baseline fluid changes and I put in a new temp sensor and pulled the plug on the thermostat and reseated it just to make sure it was not loose.This produced code p0128 so I thought a thermostat replacement would cure this.Changed it out and re-bled the system, one day later oil temp was a little hotter and figured I had a bubble in the system but I have no flow at all and cannot hear the pump running.any help with this problem would be a great help. This can be a tough part to change as it is tucked away and behind many components. The thermostat is integrated with the thermostat housing. Turn the blower down to its lowest setting. Shop/Dealer Price. I would swap the seal only. Purchased a new fan and plugged it in and got the same results. OEM replacement thermostat for your cooling system. You may have to rock the fitting back and forth to get it off of the thermostat - they tend to get stuck over time. Project Time: 3 hours Tab: $200 Talent Tools: Set of sockets, wrenches, screwdrivers, Parts Required: Thermostat, hoses, engine coolant Performance Gain: Car will cool down again and fault code will go away Complementary Modification: Flush cooling system BMW E90 models utilize an electrically-heated engine thermostat. No trouble code on Dash at this time however, when scanned OBD, thermostat issue comes up. They can figure out what part or repair kit you need. Notice that when car is idle the hidden temperature reading stay at about 100'c, which is acceptable, but when start driving the temperature creep up steadily. usually only replace what is broken. The final cylinder head coolant hose cannot be accessed until the thermostat is rotated away from the engine (step 8 below). If a faulty thermostat remains closed and causes overheating, similarly, a faulty thermostat that remains open may result in engine underheating. today on my way home i was stuck in horrible traffic and was in a complete stop i noticed a burning smell in my car but no waring of overheating when on, so i went ahead and checked my dashboard and my engine tempature was at 118 Celsius . I too am having trouble with low temp 70-80C and little/no heat. Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If I'm doing that I might as well throw a new thermostat at it, but I don't like to go fishing with parts either. Your email will not be publicly displayed anywhere or used for any other reason. - Nick at Pelican Parts. Your location and vehicle may affect the price of Thermostat Replacement. I have checked the computer for fault codes and the only fault code is a failed air blender actuator inside the cabin, which I have ordered a new one, but doubt this would lead to the thermostat staying open. $694. https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/WATER-Draining_Filling_Cooling_System/WATER-Draining_Filling_Cooling_System.htm. A 12-volt signal will be sent to the housing to heat the wax at the programmed time based off of existing driving conditions. - Nick at Pelican Parts. Typically, this o-ring is usually included in the replacement part box. You don't have to. As the temperature of the water increases, the thermostat should open in the exact way it does when installed on your BMW. It's cold out and I'd like to have the hose on hand to swap it out once I am in there and not wait for it to be delivered. what could it be? Should I swap the thermostat or is there something else I should be worried about sensors, etc? You will also need to remove the electric cooling fan from the rear of the radiator to complete this repair; There simply is not enough room to get the thermostat out with the cooling fan in place. Car. A BMW E90 thermostat replacement can be challenging due to the tight confines around the front and lower engine. t-stat. The N62 V8 engine was first introduced in 2002 and was the workhorse of all BMW eight-cylinder models until 2010. - Nick at Pelican Parts. But I now think the fan was the issue as it did not turn on the first time I started the car up after the replacement. High quality thermostat for early (thru 1985) M30 big six engines, High quality OEM thermostat with a 24 Month Warranty, A BMW thermostat controls the flow of coolant from your BMW engine through the radiator. Thermostats found on older BMW models do not feature an electrical connection on the housing. BMW Valve Cover Gasket. Also, any special tricks to getting the hoses in the back of the pump & thermo? When the N62's thermostat is closed, coolant is only allowed to recirculate through the engine block, allowing for faster warm-ups and a smoother cold idling engine. Prices may vary depending on your location. The repair cost is defined as the actual money that would need to be spent to purchase requiredparts and special tools that would not be normally found in the home mechanics garage. Coolant hose connects thermostat and engine. Hey not sure if you still reply to this. Most likely the electric water pump. I did not see anything on the ground. The two plastic lugs that hold the metal thermostat have broken but the pieces have disappeared into the cooling system. If thermostat is bad, engine temp will rise triggering cooling fan. - Nick at Pelican Parts. I've noticed that when it is cold out and I come to a stop light, the heater inside the car stops blowing heat. - Nick at Pelican Parts. $30.20 - $245.34. I have 2013 e92 335ix n55, overheating but the water pump is activating, I recently did my oil filter housing gasket and oil cooler gasket, what could be causing the car to overheat in 23-30 degree weather? The thermostat is typically located in the front of the cylinder head inside a metal or plastic housing. Do you think I should start with the rheostat? Even though we used a 2005 645ci to perform this repair. Is the gauge reading more than halfway? The BMW N62 thermostat is simply an electronically controlled valve that controls the flow of coolant through the engine block. Your location and vehicle may affect the price of Thermostat Replacement. Hello, I have a 07 328i sedan, RWD, car is not overheating, and is blowing hot air fine. The Level of Difficulty displays graphically how challenging the repair is, from beginner to expert. This is a common issue. Use a screwdriver to loosen the cylinder head coolant hose clamp. Prices may vary depending on your location. Locate the thermostat's two mounting bolts on the lower left side of the thermostat. $2.24 - $870.38. First be sure the cooling system is bled correctly. Other symptoms of a faulty thermostat are engine overheating, slow to warm up and lack of heat. BMW Tie Rod End. No, it is a sign that when warm it expands and leak appears or worsens. I would pressure test the cooling system. To find out if it's the thermostat or the water pump would I have to hook it up to a computer? But if the engine has high miles, I would replace hoses and expansion tank. Give our parts specialists a call at 1-888-280-7799. 0. When the N62's thermostat is. I would pressure test the cooling system. Since the thermostat in your N62 eight-cylinder is map-controlled, it is susceptible to electronic failure simply from normal wear and age. BMW Thermostat Basics Explained Cooling System. I would start by checking the DME for fault codes. The brand new Pieterburg pump 2016 matches original 2006. I tried changing the thermostat but the problem is still there. Give The Pelican Parts parts specialists a call at 1-888-280-7799. How are you monitoring temp? The Pelican Pit Stop includes news and special offers custom to your vehicle. 250 - 275 is trouble zone, as coolant gets toward and to boiling point pretty fast. BMW Fuel Injector Replacement N62 8 Cylinder 5,6,7 and X5 Series, BMW Water Pump Replacement N62 Cylinder 5,6,7 and X5 Series, Deleting Your Metal BMW Sunroof No Welding Enclose Ceiling Liner, 2021 BMW 3 Series Review and Specifications Pricing, Options, BMW F25 X3 Service Reset CBS Oil, Brakes, Inspection. - Nick at Pelican Parts. The water pump costs $285.50 on its own. Aftermarket Replacement # 11 53 1 268 650, 24 Month Warranty, Original BMW part # 11531265059 (11-53-1-265-059), OEM thermostat to regulate cooing system temp. To avoid marring the paint and trim, work with a plastic prying tool or wrap a screwdriver tip with masking tape before prying out body or interior items. Car Thermostat Replacement. Hello, can you help me find the clip for sale, the one that is at the very back? My car has started to lose all of the antifreeze, I think I need to replace the radiator drain plug, should I replace any other parts radiator, belts, hoses, expansion tank, etc.? Glad we could help. BMW Thermostat Replacement Jump to Photos 206 Comments Project Time: 3 hours Tab: $25-$45 Talent Tools: Flatblade screwdriver, metric wrench set, metric socket set, ratchet, extensions, black silicone sealant (if electrolysis evident on aluminum), Parts Required: Thermostat, O-ring, anti-freeze The repair cost is defined as the actual money that would need to be spent to purchase requiredparts and special tools that would not be normally found in the home mechanics garage. If you're working with the electrical system, disconnect the battery before beginning. the fan makes a loud sound.it also show the sign of the coolant from yellow to red. Any ideas? Quality aluminum upgrade over the factory plastic piece. Section 2 - Reinstalling the BMW N62 Thermostat, BMW Thermostat Replacement - N62 8 Cylinder 5,6,7 and X5 Series FINISHED. I would assume the thermostat is failing again. Hi Nick, Thanks! The new thermostat also does not seem to close same symptoms. Engine Outlet-to-Thermostat Hose, BMW - F22 M235i, F3X 335i/435i, F87 M2. When the 5th generation BMW E9x 3 series was launched in 2006, it contained a "new and improved" engine coolant system including an electric water pump and thermostat. Copyright 2023 - BMW Repair Guide. The temp was just above 260.Is this a sensor or thermostat or water pump? BMW E81 E82 E87 E88 F20 F21If you have BMW 1 series e81 e82 e87 e88 or f20, f21 and you are trying to find where the thermostat is located and how to ge to the thermostat if you need to replace it on BMW 1 series e81 e82 e87 e88 or f20, f21 we will explain that in this video. Mine might be failing. For more information on affiliate links, please. Set your new thermostat to match your heating/cooling system (see pages 15-18). better to replace the water pump before it fails and leaves with an overheated engine. 2010 BMW 335i L6-3.0L Turbo. Is this normal? thermostat or water pump. - Nick at Pelican Parts. Beginner repairs usually require very few tools, have short repair times and are simple to complete for even the most novice of mechanics. - Nick at Pelican Parts. Loosen the hose clamp on the intake boot where it attaches to the throttle body. It will bleed with a stuck open thermostat. The water pump in my 2006 325i will not shut off and drains the battery dead if parked for any length of timeany idea what would cause this? They can figure out what part or repair kit you need. That is a bummer! I generally don't like replacing parts that aren't broken. That can be the thermostat and 95% of the time it is, but it can also be a problem with the BSD communication between the pump, alternator and DME.
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