Thermostats

A BMW thermostat controls the flow of coolant from your BMW engine through the radiator. During warmup coolant flows, but not into the radiator until proper operating temperature has been reached. Only then does the BMW thermostat open and allows coolant to move through your radiator for engine cooling, adjusting flow rate to ensure safe operating temperatures under all conditions. Whether a thermostat is stuck open (engine too cold) or thermostat stuck closed (engine too hot) an old or failing thermostat must be replaced immediately. Use our SEARCH BY MODEL feature to filter these items for your BMW.

Want to learn more about your BMW's cooling system? Check out our BMW cooling system tech page by clicking here.

Need help finding Thermostats for your BMW? Call us at 877.639.9648, email us, or live chat for expert assistance.

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Coolant Temperature Sensor, Aftermarket - E36, E34, E32, E38, E31

High quality, 24 Month Warranty

Price: $10.99
27.59

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Thermostat, BMW - E90 335d, E70 X5 35d (M57)

Genuine replacement thermostat for your cooling system. Replaces BMW part #11517805811.

Price: $98.17
111.72

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Thermostat, Mahle - E90 335d, E70 X5 35d (M57)

OEM replacement thermostat for your cooling system. Replaces BMW part #11517805811.

Price: $59.99
92.95

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Thermostat O-Ring Gasket, BMW - F30 328d, F10 535d, and F15 X5 35d

Gasket to seal the thermostat and housing. Genuine replacement for BMW part #11518516207.

Price: $17.20
21.31

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Thermostat, BMW - F30 328d, F10 535d, F25 X3 28d, and F15 X5 35d

Original thermostat to regulate cooing system temp. Genuine replacement for BMW part #11518512234.

Price: $99.50
104.74

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Thermostat - 11531468056 - 80 degrees C

High quality, 24 Month Warranty

Price: $16.99

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Transmission Cooler & Thermostat Mounting Plate, BMW - E60, E63, E65

Connects Radiator to Automatic Transmission Cooler and Transmission Thermostat

Price: $80.52
84.76

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Transmission Cooler & Thermostat Mounting Plate, URO - E60, E63, E65

Connects Radiator to Automatic Transmission Cooler and Transmission Thermostat

Price: $33.24
132.95

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Thermostat, Behr - E46, E39, X3, X5, Z3, Z4 (11537509227)

OEM-spec replacement thermostat for your cooling system. Replaces BMW part #11537509227.

Price: $55.99
123.29

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Engine Coolant Thermostat - E38 750il - 11531436852

OEM Thermostat with Housing and O-Ring

Price: $104.99
172.50

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Coolant Thermostat, Wahler OEM - E70 X5 3.0si (N52) & E71 X6 35i (N54)

Wahler OEM thermostat for engine cooling on E70 X5 (N52) and E71 X6 (N54).

Price: $90.99
120.38

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Thermostat O-Ring, CRP - E39 540i, E38 740i/iL/750iL, E31 840ci/850i, E53 X5 4.4/4.6is M62/M62TU

O-ring to seal the level sensor in the expansion tank. OEM-type replacement for BMW part #61311361249.

Price: $2.99

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Thermostat O-Ring, Rein - E30, E36, E28, E34, E39, Z3, M20, M50, S52

OEM-type Thermostat O-ring replaces BMW part #11531265084

Price: $0.99

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Thermostat Housing, Rein - E39 528i 97-98

OEM-type thermostat housing replaces BMW part #11531740478

Price: $14.99
34.60

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Thermostat & Housing Assembly, Rein - E39 540i, E38 740i/iL, X5 4.4/4.6is M62TU

OEM-spec replacement thermostat for your cooling system. Replaces BMW part #11531436386

Price: $61.99
134.48

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Thermostat Housing Gasket, Elring - E30 318i, E36 318i M42

OEM Water Pipe Gasket replaces BMW part #11531721172

Price: $4.99
5.42

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Thermostat - E36 318i Z3 1.9 with M44 Engine - 11531743017

High quality, 24 Month Warranty

Price: $45.08
93.51

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Thermostat Housing Gasket, Elring - E46, E39, E60, E83, E53, Z3, Z4

OEM Thermostat Housing Gasket replaces BMW part #11537509357

Price: $3.99
11.39

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Gasket Ring For Thermostat Housing - E34 M5 (1991-1993)

OEM square-shaped seal ring for thermostat housing

Price: $2.00
2.47

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Gasket Ring For Coolant Thermostat - E34 M5, E39 M5, Z8 Roadster

OEM Seal Ring for engine thermostat and thermostat housing

Price: $21.85
22.49

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Gasket Ring For Coolant Thermostat - E34 M5, E39 M5, Z8 Roadster

Original BMW Seal Ring for engine thermostat and thermostat housing

Price: $17.65
18.58

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Coolant Pipe - Connects Thermostat Housing to Return Pipes - E39 M5 & Z8

Original BMW Part Number 11531406697 / 11-53-1-406-697

Price: $31.13
32.77

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Thermostats

Coolant Temperature Sensor, Aftermarket - E36, E34, E32, E38, E31

Price: $10.99 27.59

Thermostat, BMW - E90 335d, E70 X5 35d (M57)

Price: $98.17 111.72

Thermostat, Mahle - E90 335d, E70 X5 35d (M57)

Price: $59.99 92.95

Thermostat O-Ring Gasket, BMW - F30 328d, F10 535d, and F15 X5 35d

Price: $17.20 21.31

Thermostat, BMW - F30 328d, F10 535d, F25 X3 28d, and F15 X5 35d

Price: $99.50 104.74

Thermostat - 11531468056 - 80 degrees C

Price: $16.99

Transmission Cooler & Thermostat Mounting Plate, BMW - E60, E63, E65

Price: $80.52 84.76

Transmission Cooler & Thermostat Mounting Plate, URO - E60, E63, E65

Price: $33.24 132.95

Thermostat, Behr - E46, E39, X3, X5, Z3, Z4 (11537509227)

Price: $55.99 123.29

Engine Coolant Thermostat - E38 750il - 11531436852

Price: $104.99 172.50

Coolant Thermostat, Wahler OEM - E70 X5 3.0si (N52) & E71 X6 35i (N54)

Price: $90.99 120.38

Thermostat O-Ring, CRP - E39 540i, E38 740i/iL/750iL, E31 840ci/850i, E53 X5 4.4/4.6is M62/M62TU

Price: $2.99

Thermostat O-Ring, Rein - E30, E36, E28, E34, E39, Z3, M20, M50, S52

Price: $0.99

Thermostat Housing, Rein - E39 528i 97-98

Price: $14.99 34.60

Thermostat & Housing Assembly, Rein - E39 540i, E38 740i/iL, X5 4.4/4.6is M62TU

Price: $61.99 134.48

Thermostat Housing Gasket, Elring - E30 318i, E36 318i M42

Price: $4.99 5.42

Thermostat - E36 318i Z3 1.9 with M44 Engine - 11531743017

Price: $45.08 93.51

Thermostat Housing Gasket, Elring - E46, E39, E60, E83, E53, Z3, Z4

Price: $3.99 11.39

Gasket Ring For Thermostat Housing - E34 M5 (1991-1993)

Price: $2.00 2.47

Gasket Ring For Coolant Thermostat - E34 M5, E39 M5, Z8 Roadster

Price: $21.85 22.49

Gasket Ring For Coolant Thermostat - E34 M5, E39 M5, Z8 Roadster

Price: $17.65 18.58

Coolant Pipe - Connects Thermostat Housing to Return Pipes - E39 M5 & Z8

Price: $31.13 32.77

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Price: $10.99
27.59

Price: $98.17
111.72

Price: $59.99
92.95

Price: $17.20
21.31

Price: $99.50
104.74

Price: $80.52
84.76

Price: $33.24
132.95

Price: $55.99
123.29

Price: $104.99
172.50

Price: $90.99
120.38

Price: $14.99
34.60

Price: $61.99
134.48

Price: $4.99
5.42

Price: $45.08
93.51

Price: $3.99
11.39

Price: $2.00
2.47

Price: $21.85
22.49

Price: $17.65
18.58

Price: $31.13
32.77