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    BMW Thermostats

    BMW thermostats. Don't take chances! Proper maintenance is required to keep your car performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. We carry both OEM BMW thermostats and low temp aftermarket BMW thermostats for use in hot climates or track/race use
    For accurate results, specify your year and model below.
    A COMMON FAILURE ! Replace your brittle plastic factory housing with this rugged aluminum one! A cracked plastic housing can leave you stranded, eliminate that risk with this metal housing. Includes 11531722531 thermostat housing and 11531740437 profile gasket. (This is one of TMS's best sellers).

    This thermostat fits the following BMWs:
    1991-1995 E34 5 Series BMW 525i 525i wagon
    1992-1998 E36 3 Series BMW 325i 325is 325ic 328i 328is 328ic 323is 323ic
    1995-1999 E36 3 Series BMW M3
    1996-1998 Z3 BMW Z3 2.8i Z3 M Roadster, M Coupe - S52 engine
    Part #: 11531722531K
    Price: $23.90 (USD) 
    Quantity:   
    This aluminum thermostat housing cover is a direct replacement for the factory unit. It fits BMW E32 740i 740il E34 530i 540i E38 740i 740il 1995, E31 840i thru 1995.

    This item fits the following BMWs:
    1993-1995 E34 BMW 530i 540i
    1988-1994 E32 BMW 740i 740il
    1995-2001 E38 BMW 740i 740il
    1990-1999 E31 BMW 840i 840ci
    Part #: 11531720173
    Price: $19.95 (USD) 
    Quantity:   
    This is the Genuine MINI thermostat housing with thermostat for cars with the N12 or N14 engines.

    This item fits the following MINIs:
    2007+ R56 MINI MINI Cooper, MINI Cooper S
    2007+ R55 MINI MINI Cooper Clubman, MINI Cooper S Clubman
    2007+ R57 MINI MINI Cooper Convertible, MINI Cooper S Convertible,
    Part #: 11537534521
    Price: $104.95 (USD) 
    Quantity:   
    Have you ever noticed how crisp and responsive your MINI was after that initial warm-up period, and wanted to keep that feeling for the rest of the day? This 180° F Thermostat is the solution. Not only does the engine maintain its fresh-start power, but also the under-hood temperatures are greatly diminished (see comparison table below). Now when your car sits after a hard run it won't cook and dry out everything under the hood as bad as it did in the stock configuration. This is great for the MINI owner that lives in a hot climate, or those that push their cars hard at the track or local twisty road.

    Please Note: This thermostat does not include a replacement gasket. Reuse the gasket from the OEM thermostat.

    Cold Weather Alert: If you encounter weather below 50º F or 10º C, please be aware that the ECU could throw a “check engine” light. This is no cause for alarm as the sensors are registering an anomaly and the thermostat is not harming the engine. The “check engine” light can be reset with a diagnostic tool or left as is. Please call if you have questions.

    Test Parameters Thermostat Temp Original Thermostat Temp M7180 Delta (°F)
    Intercooler Manifold 98 70 -28
    Upper Coolant Hose 190 179 -11
    Supercharger at Pulley Shaft Housing 178 160 -18
    Head at Thermostat 174 153 -21
    Idle w A/C on 214 185 -29
    Coolant Temp During Hard Driving 212 180 -32
    Part #: M7180
    Price: $51.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E28 M5 and E24 M6 with S38 engine.

    This item fits the following BMWs:
    1987-1988 E28 BMW M5
    1987-1989 E24 BMW M6
    Part #: 11531307737
    Price: $29.95 (USD) 
    Quantity:   
    Replacement stock thermostat, 80 Degree C.

    This item fits the following BMWs:
    1984-1995 E30 BMW 325e 325es
    1982-1985 E28 BMW 528e
    Part #: 11531265085
    Price: $24.95 (USD) 
    Quantity:   
    Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. High-revving, spirited driven cars like the E30 M3 require tip-top condition to perform well. The cooling system of the S14 one of those critical systems. This thermostat fits all 1987, 1988, 1989, 1990, and 1991 M3 (E30 chassis with S14 engine). Genuine BMW.

    This item fits the following BMWs:
    1987-1991 E30 BMW M3
    Part #: 11531315537orig
    Price: $109.00 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your car performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. This thermostat fits BMW E32 740i E34 530i 540i E38 740i E31 840ci with M60 engine.

    This item fits the following BMWs:
    1992-1994 E32 BMW 740i 740il
    1993-1995 E34 BMW 530i 530i wagon 540i
    1995-1996 E38 BMW 740i 740il
    1991-1996 E31 BMW 840i 840ci with M60 engine
    Part #: 11531702279
    Price: $24.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E32 750il and E31 850i with M70 engine.

    This item fits the following BMWs:
    1989-1994 E32 BMW 750il
    1991-1995 E31 BMW 850i with M70 engine
    Part #: 11531729720
    Price: $39.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your car performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you.

    This thermostat fits the following BMWs:
    1991-1995 E34 5 Series BMW 525i 525i wagon
    1992-1998 E36 3 Series BMW 325i 325is 325ic 328i 328is 328ic 323is 323ic
    1992-1996 E36 3 Series BMW 318i 318is 318ic 318ti - M42 engine only
    1995-1995 E36 M3 BMW M3 - US 3.0 liter
    1996-1999 E36 M3 BMW M3 - US 3.2 liter
    1997-1998 E39 5 Series BMW 528i
    1996-1998 Z3 BMW Z3 2.8i
    Part #: 11537511580
    Price: $27.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your car performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. This thermostat fits BMW E39 M5 E34 M5 and Z8

    This thermostat fits the following BMWs:
    1991-1993 E34 BMW M5
    1998-2004 E39 BMW M5
    2000-2003 E52 BMW Z8
    Part #: 11537835558
    Price: $59.95 (USD) 
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E36 318i 318is 318ti 318ic and Z3 1.9 with M44 engine.

    This item fits the following BMWs:
    1996-1998 E36 BMW 318i 318is 318ti 318ic
    1996-1998 Z3 BMW Z3 1.9
    Part #: 11531743017
    Price: $49.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. This thermostat fits BMW E38 750il and E31 850i

    This item fits the following BMWs:
    1995-1998 E38 BMW 750il
    1995-1998 E31 BMW 850ci w M73 engine
    Part #: 11531704704
    Price: $59.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. This thermostat fits BMW E38 750il 99-2001 with M73n Engine.

    This item fits the following BMWs:
    1999-2001 E38 BMW 750il
    Part #: 11531436852
    Price: $99.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E39 540i 97-98 E38 740i 96-98 with M62 engine.

    This item fits the following BMWs:
    1996-1998 E38 BMW 740i 740il
    1997-1998 E39 BMW 540i
    Part #: 11531437526
    Price: $69.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. The sensor on the housing is also used by the engine computer to set the fuel mapping on the engine. A faulty sensor or thermostat will lead to the engine running rich (too much fuel). This thermostat fits BMW E39 540i 99-03 E38 740i 99-01 X5 4.4i 4.6is 99-2003 with M62 engine.

    This item fits the following BMWs:
    1999-2001 E38 BMW 740i 740il
    1999-2003 E39 BMW 540i
    1999-2003 E53 BMW X5 4.4i X5 4.6is
    Part #: 11531436386
    Price: $70.95 (USD) 
    Quantity:   
    Replacement stock MAP thermostat with plastic housing and gasket for E46, E39, E60, X5, Z4 - M54 engine, M52TU engine. Your car may still operate fine according the instrument display but the electrically-operated thermostat may be going bad. This new thermostat includes the thermostat gasket, ready to install in your BMW.

    Applications:
    1999-2003 E39 528i, 525i, 530i sedan, touring wagon (M52TU engine, M54 engine)
    1999-2005 E46 323, 328, 325, 330 sedan, coupe, cabrio, touring wagon (M52TU engine, M54 engine)
    2004-2005 E60 525i, 530i sedan, touring wagon (M54 engine)
    2001-2006 E53 X5 3.0 (M54 engine)
    2004-2006 E83 X3 2.5i X3 3.0i (M54 engine)
    1999-2002 Z3 2.3. Z3 2.5i, 2.8 Z3 3.0i (M54 engine)
    2003-2005 Z4 2.5i, Z4 3.0 (M54 engine)

    Part #: 11537509227
    Price: $59.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your car performing at peak levels. The thermostat basically controls when your car will overheat. Don't let it fail on you. This thermostat fits BMW N62 engines in E60 545i 550i X5 4.4i 4.8i 650i 745i 750i 745li 750li 760i 760li X6 xDrive50i

    This item fits the following BMWs:
    2004-2010 E60 BMW 545i 550i
    2011+ F10 BMw 550i 550i xDrive
    2004+ E63 BMW 645ci 650i
    2002-2009 E65 BMW 745i 745li 750i 750li 760i 760li
    2009+ F01 BMW 750i 750li 750i xDrive 750li xDrive 760li
    2004-2006 E53 BMW X5 4.4i w N62 engine
    E70 BMW X5 4.8i X5 xDrive48i
    2007+ E71 BMW X6 xDrive50i
    Part #: 11537586885
    Price: $54.95 (USD) 
    Quantity:   
    Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands from the engine. And cooling components are working harder than ever. Engine performance is also dependant on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part.

    The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended).

    This thermostat fits the following BMWs:
    2008+ E82 BMW 128i 135i
    2007+ E9X BMW 325i 325xi 328i 328xi 330i 335i 335xi
    2006+ E60 BMW 525i 525xi 528i 528xi 530i 530xi 535i 535xi
    2006+ X3 BMW X3 3.0i X3 3.0si
    2006+ Z4 BMW Z4 3.0i Z4 3.0si
    Part #: 11537549476
    Price: $74.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E90 335d and E70 X5 xDrive35d with diesel engine.

    This item fits the following BMWs:
    2009+ E90 BMW 335d
    2009+ E70 BMW X5 xDrive35d
    Part #: 11517805811
    Price: $59.95 (USD) 
    Quantity:   
    Replacement stock thermostat for E90, E92, E93 M3 - S65 engine- E60 M5 E63 M6 with S85 engine. Your car may still operate fine according the instrument display but the electrically-operated thermostat may be going bad.

    This item fits the following BMWs:
    2007+ E9X BMW M3
    2005+ E60 BMW M5
    2005+ E63 BMW M6
    Part #: 11537836155
    Price: $89.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your MINI performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits MINI Cooper S R52 R53 with supercharged engine.

    This item fits the following BMWs:
    2002-2006 R53 MINI MINI Cooper S
    2003-2007 E52 MINI MINI Cooper S Convertible
    Part #: 11531485847
    Price: $34.95 (USD) 
    Quantity:   
    Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This fits the 1997 through 9/98 E39 528i only.

    This thermostat housing fits the following BMWs:
    1997-1998 E39 BMW 528i
    Part #: 11531740478K
    Price: $25.90 (USD) 
    Quantity:   
    Replacement stock thermostat for E46 M3, Z3M w S54 engine, Z4M. The thermostat can be replaced on the E46 M3 without removing the water pump. This can save you money if the pump still has life left on it but the thermostat needs to be done now. Symptoms of a bad thermostat include an erratic temp gauge and a fault code. When replacing the thermostat, there are three o-rings that will likely need to be replaced – between the thermostat and the water pump housing, and two on the coolant tube going to the head. We also recommend new hoses, clamps, and BMW coolant. Replacement should take about one hour.

    Note: even though this can be done without replacing the water pump, the job involves removing the same items to access this area. And opening the thermostat housing will spill a lot of coolant. In other words, if you don't replace the water pump at the same time, you're going to repeat this process when the pump needs replacing. We offer a complete water pump overhaul package that covers everything you need if you want to it all at once. You can the thermostat to that package and get everything without any duplicate parts. Click here for the E46 M3 water pump kit.

    On S54 engines (E46 M3, MZ3, Z4 M) there is a flanged head bolt going into the cylinder head, behind the thermostat cover. This holds the left side timing chain guide rail in place and if it's loose or falls out you could have a very serious engine failure to deal with. Make sure to check this bolt while you have the thermostat cover off. You only need to make sure it's tight. But if it's come loose you may want to replace the seal ring and use a small touch of oil-resistant thread sealer.

    This item fits the following BMWs:
    2000-2001 E46 3 Series M3 M3 Convertible 2000-2006
    2001-2002 Z3 Roadster / Coupe Z3 M Roadster Z3 M Coupe w S54 Engine
    2006-2008 E86 E86 Z4 Z4 M Roadster Z4 M Coupe
    Part #: 11531318274-K
    Price: $67.80 (USD) 
    Quantity:   
    This Automatic Transmission Thermostat mounts in the coolant expansion tank and helps to regulate the transmission coolant temperature. It is common for this item to break while replacing the expansion tank. This fits E46 323i 325i 328i 330i, X3 2.5i 3.0i, X5 3.0i, Z4 2.5i 3.0i 3.0si.

    This item fits the following BMWs:
    1999-2005 E46 BMW 323i 323ci 328i 328ci 325i 325ci 325xi 330i 330ci 330xi
    2004-2006 X3 BMW X3 2.5i X3 3.0i
    2000-2006 X5 BMW X5 3.0i
    2004-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si
    Part #: 17111437362
    Price: $58.95 (USD) 
    Quantity:   
    This packages covers the major components you would install along with a new water pump or thermostat. On the N52 cars (128i, 325i 328i, 330i, 525i, 528i, 530i) the water pump and theremostat are mounted together. In fact, to get to the thermostat, BMW expects you to remove the water pump. This package covers the whole job. With the electric water pump now an integral part of the efficiency and performance of the engine, staying on top of its maintenance and replacement is the smart thing to do.

    Our water pump/thermostat overhaul includes:
  • OEM electric water pump, p/n 11517586925.
  • aluminum mounting screws for water pump (set of 3), p/n 11510392553
  • OEM Behr thermostat, p/n 11537549476
  • Original BMW connecting hose from thermostat to water pump, p/n 11537521049
  • OEM-style hose clamps for hose (x 2)

  • BUY AS A PACKAGE AND SAVE $$!

    The water pump on the N52 engine has more cooling responsibilities than ever before. Not only must it provide cooling for the engine, but it's also pumping fluid used to cool the automatic transmission oil. The good news is that the pump only works when, and only as much, as it needs to. The engine computer dictates how much fluid needs to be pumped through the system depending on the load. That means the system can actually stop the pump when warmer temperatures are needed. No longer is the pump spinning all the time from an engine-driven belt. The bad news is that it's now an electrical part, so a failure is usually immediate and with no warning. And if the electronics are at fault, there is no way to rebuild or repair it. Fortunately, the engine computer will force a shut down or reduce power if a problem occurs, preventing catastrophic engine damage.

    How to avoid a water pump failure in the future? Replacing the water pump as part of a regular interval schedule will ensure you always have a functioning pump in place. Since this technology is relatively new for BMW, therefore the lifecycle of the pump isn't yet known, we have been recommending replacement every 80-100k miles. This package of OE/OEM parts covers everything with Original BMW coolant offered to finish off the job. A proper bleeding procedure must be followed with the new electric pump.

    This water pump package fits the following BMWs with the N52 engine:
    2008-2013 E82 BMW 128i
    2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
    2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
    2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
    2007-2013 E93 BMW 328i - Convertible
    2006-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive
    2006-2010 E83 BMW X3 3.0i X3 3.0si
    2006-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si
    2009+ Z4 BMW Z4 sDrive30i
    2009+ Z4 BMW Z4 sDrive28i Z4 sDrive30i Z4 sDrive35i Z4 sDrive35is
    Part #: N52-WATER-PUMP-THERMOSTAT
    Price: $505.80 (USD) 
    This packages covers the major components you would install along with a new water pump or thermostat. On the N54 cars (135i, 335i, 535i) the water pump and theremostat are mounted together. In fact, to get to the thermostat, BMW expects you to remove the water pump. This package covers the whole job. With the electric water pump now an integral part of the efficiency and performance of the engine, staying on top of its maintenance and replacement is the smart thing to do.

    Our water pump/thermostat overhaul includes:
  • Genuine BMW electric water pump, p/n 11517588885 or 11517632426
  • mounting screws for water pump (set of 3), p/n 11517602123
  • OEM Behr thermostat, p/n 11537549476
  • Original BMW connecting hose from thermostat to water pump, p/n 11537545665
  • OEM-style hose clamps for hose (x 2)

  • BUY AS A PACKAGE AND SAVE $$!

    The water pump on the N54 engine has more cooling responsibilities than ever before. Not only must it provide cooling for the engine, but it's also pumping fluid used to cool the turbocharger oil and automatic transmission oil. The good news is that the pump only works when, and only as much, as it needs to. The engine computer dictates how much fluid needs to be pumped through the system depending on the load. That means the system can actually stop the pump when warmer temperatures are needed. No longer is the pump spinning all the time from an engine-driven belt. The bad news is that it's now an electrical part, so a failure is usually immediate and with no warning. And if the electronics are at fault, there is no way to rebuild or repair it. Fortunately, the engine computer will force a shut down or reduce power if a problem occurs, preventing catastrophic engine damage.

    How to avoid a water pump failure in the future? Replacing the water pump as part of a regular interval schedule will ensure you always have a functioning pump in place. Since this technology is relatively new for BMW, therefore the lifecycle of the pump isn't yet known, we have been recommending replacement every 80-100k miles. This package of OE/OEM parts covers everything with Original BMW coolant offered to finish off the job. A proper bleeding procedure must be followed with the new electric pump.

    This water pump package fits the following BMWs with the N54 engine:
    2007-2010 E60 BMW 535i 535xi 535i xDrive
    2008-2010 E82 BMW 135i
    2011-2012 E82 BMW 1M Coupe
    2006-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    Part #: N54-WATER-PUMP-THERMOSTAT
    Price: $512.70 (USD) 
    E46M3 Motorsport Thermostat 55C (Also fits Euro E36 M3 engine) A Genuine BMW part this thermostat opens at a much lower temperature than stock to keep your S54 engine (or Euro S50/S52 engine) running cooler in race applications.
    Part #: 11531417215
    Price: $189.00 (USD) 
    This is a genuine BMW Motorsport part, designed specifically for BMW racing applications. We use this exact thermostat setup in our Championship-winning E46 330i race car. It is designed to be used on all M54 and M52TU double-VAN0S engines, as used in the 1999-2000 E46 323/328 and 2001-2005 E46 325/330. This 60 degree C (140 defrees F) thermostat comes complete with plastic thermostat housing. It does not use the plug and wiring for the stock DME so this should only be used with an aftermarket engine management system (Motec, Bosch, etc).
    Part #: M54-M52TU-MSPORT-THERMOSTAT
    Price: $459.95 (USD) 
    Quantity:   
    71 degree (low temp / racing) thermostat. Not for use on street cars. Fits M20/M50/M52 /S50/S52 family 6 cylinder engines, such as 325i, 325is, 328i, 328is, 323is & E36 M3 (3.0 liter and 3.2 liter). Racing/track use only.

    This item fits the following BMWs:
    1986-1991 E30 3 Series 325e 325es 325i 325is 325ic 325ix
    1992-1998 E36 3 Series 323is 323ic 325i 325is 325ic 328i 328is 328ic M3 M3 Convertible
    1998-2000 Z3 Roadster & Coupe Z3 M Roadster Z3 M Coupe with S52 engine
    Part #: 11531466174/71
    Price: $28.95 (USD) 
    Quantity:   
    Replacement stock thermostat, 80 Degree C.

    This item fits the following BMWs:
    1986-1991 E30 3 Series 325e 325es 325i 325is 325ic 325ix
    1986-1988 E28 5 Series 528e 535i 535is
    1985-1989 E24 6 Series 635csi
    1989-1990 E34 5 Series 525i - M20 engine
    1989-1993 E34 5 Series 535i
    1988-1993 E32 7 Series 735i 735il

    This also fits many M50 M52 engines but the temperature is better suited to track or racing applications.
    Part #: 11531466174/80
    Price: $25.84 (USD) 
    Quantity: