BMW Engine Coolant Thermostat (w/ Housing) 11538671516 – Mahle-Behr TM21103
$76.95
Your engine coolant thermostat sits between the engine and the radiator, in a thermostat housing. The thermostat blocks the flow of coolant to the radiator until the engine has warmed up. Once the engine is warm enough, usually around 200-220 degrees F, the thermostat opens and allows the coolant to flow. The engine coolant thermostat is the most common component of the cooling system to fail, which can cause your car to overheat in the unlikely event it were to be stuck closed. More commonly, the thermostat can be stuck open, making it difficult for your engine to warm up. This can result in your car running cool, causing an overly rich fuel mixture and an inefficient running engine. It should be replaced anytime you have major work done to the coolant system.
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| Gasket Or Seal Included | No |
| Item Grade | OEM |
| Start to Open Temperature | 103 |
| Type | Map-controlled thermostat |
| Brand | Part # |
|---|
| Brand | Part # |
|---|---|
| BMW | 11 53 7 601 159 / 11537601159 |
| MAHLE Original | TM 21 103 / TM21103 |
| Brand | Part # |
|---|---|
| Gates | 34781 |
| Stant | 49602 |
| Year | Make | Model | Submodel | Engine | Fuel Type | Position | Note |
|---|---|---|---|---|---|---|---|
| 2017 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2017 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2016 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2016 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2016 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2016 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2016 | BMW | ActiveHybrid 5 | Base | 3.0L6 | FULL HYBRID EV-GAS (FHEV) | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 640i xDrive Gran Coupe | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 640i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | ActiveHybrid 5 | Base | 3.0L6 | FULL HYBRID EV-GAS (FHEV) | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 740i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2015 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 640i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 640i xDrive Gran Coupe | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 740i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2014 | BMW | ActiveHybrid 5 | Base | 3.0L6 | FULL HYBRID EV-GAS (FHEV) | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | 740i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2013 | BMW | ActiveHybrid 5 | Base | 3.0L6 | FULL HYBRID EV-GAS (FHEV) | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2012 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2012 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2012 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2012 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2012 | BMW | ActiveHybrid 5 | Base | 3.0L6 | FULL HYBRID EV-GAS (FHEV) | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2011 | BMW | 535i | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2011 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2011 | BMW | 535i xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2011 | BMW | 535i GT xDrive | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat | |
| 2010 | BMW | 535i GT | Base | 3.0L6 | GAS | Gasket or Seal Included N; Start to Open Temperature 103 C; Thermostat Type Map-Controlled Thermostat |
MAHLE GmbH is an automotive parts manufacturer based in Stuttgart, Germany. It is one of the 30 largest automotive suppliers worldwide.
As a manufacturer of components and systems for the combustion engine and its periphery, the company is one of the three largest systems suppliers worldwide for piston systems, cylinder components, valve train systems, air management systems, and liquid management systems.
Mahle's roots can be traced to the end of 1920 when engineer and pilot Hellmuth Hirth established a small workshop in Cannstatt, where he developed and constructed a two-stroke engine and hired 26-year-old Hermann Mahle as his 7th employee.
As of 2014, its 65,000 employees work in 120+ production plants and six research and development centers in Stuttgart, Northampton, Detroit, Tokyo, Shanghai, and Sao Paulo.
Worldwide, 3000 development engineers and technicians work to design and improve products and systems related to the combustion engine.