Cooling

Your BMW cooling system is critical to the performance and longevity of your BMW engine. A BMW's cooling system works as a whole by circulating fluid to transfer heat away from your engine's vital internal parts. A cooling failure can leave you stranded, or worse -- complete engine failure. Don't risk your engine! A BMW cooling overhaul is preventative maintenance and should be done every 60k miles or 5 years. Regular inspection of all hoses, radiators, thermostat, expansion tank, water pump, fans, fan clutch will help you avoid catastrophic engine overheating. Don't ignore leaks, bulging or cracking hoses or low coolant warnings. Preventative replacement of key BMW cooling components is a must to keep your BMW running strong. 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 helping finding Cooling parts for your BMW? Call us at 877.639.9648, email us, or live chat for expert assistance.

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Upper Radiator Hose, Rein - F22 228i, F30 320i/328i, F32 428i

Hose connects oil cooler to radiator. OEM-type replacement for BMW part #17127596837

Price: $59.99
83.68

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Upper Radiator Hose, BMW - G87 M2, G80 M3, G82 M4

Replace your upper radiator hose to prevent added frustration and expense. OEM replacement for BMW part #17128096423.

Price: $94.48
104.68

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Upper Radiator Hose, Aftermarket - E30 325i 88+

Upper hose from thermostat to radiator. Replacement for part #11531287651. For 1988+ cooling system.

Price: $9.99
16.89

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Upper Radiator Air Duct with Flap Control - G20 M340i (2019-2022)

Radiator air duct with air flaps, located directly behind the front kidney grille.

Price: $383.81
439.24

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Upper Radiator Air Duct with Flap Control - G20 330i (2019-2022)

Radiator air duct with air flaps, located directly behind the front kidney grille.

Price: $368.60
389.52

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Upper Radiator Air Duct - Genuine BMW - F87 M2 S55 - BLEMISHED

Brand new radiator duct with minor shipping damage.

Black Friday! Price includes $50.00 OFF for a limited time!

Price: $72.87
122.87

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Upper Alternator Air Duct for E46 3-Series (Except M3)

Keep your alternator cool and extend it's service life!

Price: $152.63
171.39

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Turbo Cooling Return Hose, Rein - F10 550i, F13 650i, F02 750i, E70 X5, E71 X6 (N63)

Replacement turbo cooling hose. Replaces BMW part #11537577015. N63A.

Price: $45.99
82.04

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Transmission Radiator, BMW - F3X 335i/435i M Sport, M235i/M240i Racing

Original M Sport transmission cooler replaces BMW part #7117600535

Price: $275.18
322.53

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Transmission Oil Cooler Upgrade, CSF - G8X M3/M4

More capacity and surface area for additional cooling. Replaces BMW part #17118095284.

Price: $599.00
629.00

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Transmission Oil Cooler Hose, BMW - F22 228i, F30 320i/328i, F32 428i Automatic

Cooling hose from transmission cooler to radiator. Genuine replacement for BMW part #17127600554.

Price: $65.71
70.90

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Transmission Oil Cooler - Genuine BMW - E60/E61 535i 535xi

Original BMW heat exchanger for automatic transmission cooling on all E60 and E61 535i models.

Price: $306.49
314.61

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Throttle Body Supply Hose, BMW - G8X M2/M3/M4, F9X X3M/X4M, S58

Supplies coolant to throttle body. OEM replacement for BMW part #11538054849

Price: $31.01
36.34

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Throttle Body Return Hose, BMW - G8X M2/M3/M4, F9X X3M/X4M, S58

Returns coolant from throttle body. OEM replacement for BMW part #11538054850.

Price: $31.01
36.34

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Thermostat/Heat Management Module, BMW - F44, F48, F39, B46D, B48D

Thermostat central to the B46/B48 cooling system. Genuine replacement for BMW part #11538843405.

Price: $416.25
462.06

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Thermostat, Wahler - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

OEM replacement thermostat for your cooling system. Replaces BMW part #11537586885.

Price: $66.99
112.00

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

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

Price: $49.99

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Thermostat, Rein - 128i/135i, 325i/328i/330i/335i, X3, Z4

OEM-type thermostat to regulate cooling system temp. Replaces BMW part #11537549476.

Price: $55.99

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Thermostat, OEM Mahle Behr - F06/F13 640i, F02 740i

OEM thermostat. Replaces BMW part #11538671514.

Price: $74.99
154.12

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Thermostat, OEM Behr - F10 535i, F06/F13 640i

OEM replacement thermostat for your cooling system. Replacement for BMW part #11537601159.

Price: $91.27
126.71

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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, Mahle - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

OEM replacement thermostat for your cooling system. Replaces BMW part #11537586885.

Price: $69.95
123.24

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Thermostat, Genuine BMW - F06/F13 640i, F02 740i

Genuine BMW thermostat. Replaces BMW part #11538671514.

Price: $162.47
184.90

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Thermostat, Genuine BMW - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

Genuine BMW replacement thermostat for your cooling system. Replaces BMW part #11537586885.

Price: $113.01
128.62

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Thermostat, BMW - G30 M550i, G12 750i, G15 M850i, G05 X5 50i, G07 X7 50i (N63TU2, N63TU3)

Original replacement thermostat for N63TU2/3 engines. Genuine BMW part #11538685978

Price: $177.24
201.71

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Thermostat, BMW - F25 X3 35i, F26 X4 35i/M40iX N55

Replacement original thermostat for N55 engines. Direct replacement for BMW part #11537586784

Price: $162.47
184.90

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

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

Price: $100.43
114.29

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Thermostat, Behr - F22 228i, F3X 328i/428i, F10 528i, X3/X4, Z4 28i (N20/N26)

OEM thermostat for N20 and N26 4-cylinder engines.

Price: $59.99
101.80

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Thermostat Hose, Rein - 228i/328i/428i/528i, X1/X3/X4 28i, Z4 28i

Cooling hose from engine block to thermostat. OEM-type replacement for BMW part #11537603514.

Price: $20.99

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

Aftermarket replacement thermostat for your cooling system. Replaces BMW part # 11531436386

Price: $44.99
134.48

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Thermostat / Heat Management Module, OEM - G2X, G30, G12, G15, X3, X4, X5, X6, X7, Z4 (B58C, B58D)

OEM thermostat assembly for later B58C and B58D models

Price: $229.99
417.97

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Stewart Performance Water Pump - E36, E46, E34, E39, E60, E83, E53, Z3, Z4

The last water pump you will buy for your car with a Lifetime Warranty!

Price: $199.95
215.00

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Screw Plug for Coolant Expansion Tank - 17111707818 - E46,E53,E83,E85

Quality aftermarket drain plug for expansion tank on many E46, E83, E53, and E85/E86 models.

Price: $4.74
7.69

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Rowe Hightec AN Coolant (Antifreeze) - 1 Gallon Jug

Rowe is the OE manufacturer for Genuine BMW coolant and a trusted antifreeze option

Price: $29.99

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Red Line Water Wetter

Recommended for all cars that see the track - reduces temps by up to 30 Deg F!

Price: $13.89

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Radiator, Valeo - F22 228i, F3X 320i/328i/335i, F3X 428i/435i Manual

Direct replacement main cooling radiator from a high-quality source. Replaces BMW part #17118678027

Price: $199.99
458.71

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Radiator, OEM - E30 325i 88+, E36 325i/328i/M3, Z3, MZ3 (Higher Capacity)

Increased capacity radiator for better cooling - Drop-in fit

Price: $189.99

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Radiator, Nissens - F25 X3 28i, F26 X4 28i (also N55 up to 3/2012)

Direct replacement main cooling radiator from a high quality source. Replaces BMW part #17118623369

Price: $179.99
456.26

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Radiator, Nissens - F25 X3 28i N52 (2011-2012)

Direct replacement main cooling radiator from a high quality source. Replaces BMW part #17118623366

Price: $199.99
459.26

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Radiator, Nissens - E90 335d

Direct replacement main cooling radiator from a high quality source. Replaces BMW part #17117794488

Price: $210.98
370.52

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Cooling

Upper Radiator Hose, Rein - F22 228i, F30 320i/328i, F32 428i

Price: $59.99 83.68

Upper Radiator Hose, BMW - G87 M2, G80 M3, G82 M4

Price: $94.48 104.68

Upper Radiator Hose, Aftermarket - E30 325i 88+

Price: $9.99 16.89

Upper Radiator Air Duct with Flap Control - G20 M340i (2019-2022)

Price: $383.81 439.24

Upper Radiator Air Duct with Flap Control - G20 330i (2019-2022)

Price: $368.60 389.52

Upper Radiator Air Duct - Genuine BMW - F87 M2 S55 - BLEMISHED

Price: $72.87 122.87

Upper Alternator Air Duct for E46 3-Series (Except M3)

Price: $152.63 171.39

Turbo Cooling Return Hose, Rein - F10 550i, F13 650i, F02 750i, E70 X5, E71 X6 (N63)

Price: $45.99 82.04

Transmission Radiator, BMW - F3X 335i/435i M Sport, M235i/M240i Racing

Price: $275.18 322.53

Transmission Oil Cooler Upgrade, CSF - G8X M3/M4

Price: $599.00 629.00

Transmission Oil Cooler Hose, BMW - F22 228i, F30 320i/328i, F32 428i Automatic

Price: $65.71 70.90

Transmission Oil Cooler - Genuine BMW - E60/E61 535i 535xi

Price: $306.49 314.61

Throttle Body Supply Hose, BMW - G8X M2/M3/M4, F9X X3M/X4M, S58

Price: $31.01 36.34

Throttle Body Return Hose, BMW - G8X M2/M3/M4, F9X X3M/X4M, S58

Price: $31.01 36.34

Thermostat/Heat Management Module, BMW - F44, F48, F39, B46D, B48D

Price: $416.25 462.06

Thermostat, Wahler - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

Price: $66.99 112.00

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

Price: $49.99

Thermostat, Rein - 128i/135i, 325i/328i/330i/335i, X3, Z4

Price: $55.99

Thermostat, OEM Mahle Behr - F06/F13 640i, F02 740i

Price: $74.99 154.12

Thermostat, OEM Behr - F10 535i, F06/F13 640i

Price: $91.27 126.71

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

Price: $59.99 92.95

Thermostat, Mahle - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

Price: $69.95 123.24

Thermostat, Genuine BMW - F06/F13 640i, F02 740i

Price: $162.47 184.90

Thermostat, Genuine BMW - E60, F10, E63, F13, E65, F02, X5/X6, M2/M3/M4

Price: $113.01 128.62

Thermostat, BMW - G30 M550i, G12 750i, G15 M850i, G05 X5 50i, G07 X7 50i (N63TU2, N63TU3)

Price: $177.24 201.71

Thermostat, BMW - F25 X3 35i, F26 X4 35i/M40iX N55

Price: $162.47 184.90

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

Price: $100.43 114.29

Thermostat, Behr - F22 228i, F3X 328i/428i, F10 528i, X3/X4, Z4 28i (N20/N26)

Price: $59.99 101.80

Thermostat Hose, Rein - 228i/328i/428i/528i, X1/X3/X4 28i, Z4 28i

Price: $20.99

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

Price: $44.99 134.48

Thermostat / Heat Management Module, OEM - G2X, G30, G12, G15, X3, X4, X5, X6, X7, Z4 (B58C, B58D)

Price: $229.99 417.97

Stewart Performance Water Pump - E36, E46, E34, E39, E60, E83, E53, Z3, Z4

Price: $199.95 215.00

Screw Plug for Coolant Expansion Tank - 17111707818 - E46,E53,E83,E85

Price: $4.74 7.69

Rowe Hightec AN Coolant (Antifreeze) - 1 Gallon Jug

Price: $29.99

Red Line Water Wetter

Price: $13.89

Radiator, Valeo - F22 228i, F3X 320i/328i/335i, F3X 428i/435i Manual

Price: $199.99 458.71

Radiator, OEM - E30 325i 88+, E36 325i/328i/M3, Z3, MZ3 (Higher Capacity)

Price: $189.99

Radiator, Nissens - F25 X3 28i, F26 X4 28i (also N55 up to 3/2012)

Price: $179.99 456.26

Radiator, Nissens - F25 X3 28i N52 (2011-2012)

Price: $199.99 459.26

Radiator, Nissens - E90 335d

Price: $59.99
83.68

Price: $94.48
104.68

Price: $9.99
16.89

Price: $383.81
439.24

Price: $368.60
389.52

Price: $72.87
122.87

Price: $152.63
171.39

Price: $45.99
82.04

Price: $275.18
322.53

Price: $599.00
629.00

Price: $65.71
70.90

Price: $306.49
314.61

Price: $31.01
36.34

Price: $31.01
36.34

Price: $416.25
462.06

Price: $66.99
112.00

Price: $74.99
154.12

Price: $91.27
126.71

Price: $59.99
92.95

Price: $69.95
123.24

Price: $162.47
184.90

Price: $113.01
128.62

Price: $177.24
201.71

Price: $162.47
184.90

Price: $100.43
114.29

Price: $59.99
101.80

Price: $44.99
134.48

Price: $229.99
417.97

Price: $199.95
215.00

Price: $4.74
7.69

Price: $199.99
458.71

Price: $179.99
456.26

Price: $199.99
459.26

Price: $210.98
370.52