BMW Thermostats for BMW 3 Series F30 (2012+)

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BMW thermostats are known to fail, but luckily they typically fail wide open - meaning that your car can still cool. We offer thermostats from various OE suppliers we trust along with upgraded motorsport specific thermostats where applicable to make sure your BMW stays cool on track.
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Thermostat Installation Kit with Thermostat - N54, N55, S55
Thermostat Installation Kit with Thermostat - N54, N55, S55
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:55353595
Part#: OTN54.T85KT3
In Stock
New Item
$ 390.23 USD
Free Shipping on orders $49 and up
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$ 390.23 USD
Free Shipping on orders $49 and up
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High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.
Water Pump And Thermostat Kit with Coolant
Water Pump And Thermostat Kit with Coolant
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:55965857
Part#: 11517604027KT3
Ships on Oct 21, 2026
New Item
$ 493.39 USD
Free Shipping on orders $49 and up
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$ 493.39 USD
Free Shipping on orders $49 and up
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Engineered to OE standards, this comprehensive cooling system package integrates the water pump, aluminum thermostat assembly, critical replacement hardware, and factory specified fluid into a single kit.
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Rein Thermostat Assembly - F Chassis, G-Chassis - B48
Rein Thermostat Assembly - F Chassis, G-Chassis - B48
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53891628
Part#: 11537644811
Ships in 4 Business Days
New Item
$ 322.99

This product was last offered at the strikethrough price on
06-10-2026

$ 288.99 USD
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$ 288.99 USD
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Whether you're managing a fleet of "spirited" daily drivers or prepping a chassis for the circuit, the Rein CTA0079 offers the peace of mind that comes with OE-quality engineering.
Rein Junction Heat Hose - F3x F22 G30 G12 G01 G02 B58
Rein Junction Heat Hose - F3x F22 G30 G12 G01 G02 B58
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:58563047
Part#: 11538606278
Ships in 4 Business Days
New Item
$ 38.99 USD
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$ 38.99 USD
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Protect your engine against thermal degradation and maintain precise cooling system pressure with a Rein Heat Exchanger Return Hose. Engineered as a direct fit replacement for failure prone factory coolant lines, this hose routes coolant through the heat exchanger assembly to prevent thermal spikes under heavy load. Manufactured with high grade heat resistant EPDM rubber and OEM style quick connect fittings, it provides exceptional resistance to internal pressure surges, oil exposure, and cracking across high output 3.0L inline six engine bays.
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Rein Thermostat Assembly - F22 F87 F23 F30 F34 F32 F33 F36 F15 F16 - N55
Rein Thermostat Assembly - F22 F87 F23 F30 F34 F32 F33 F36 F15 F16 - ...
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:55965849
Part#: 11537598865
Ships in 4 Business Days
New Item
$ 79.99 USD
Add to Wish List
$ 79.99 USD
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A malfunctioning or lazy thermostat can lead to poor fuel trim efficiency, sluggish performance, and destructive overheating. This Rein thermostat assembly is engineered as a robust direct replacement for your worn factory unit, ensuring proper coolant regulation through the radiator under heavy loads.
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Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57
Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55497457
Part#: 3282280010
Ships in 9 Business Days
New Item
$ 35.99

This product was last offered at the strikethrough price on
06-30-2026

$ 16.99 USD
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$ 16.99 USD
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Keep your engine operating in its powerband and prevent performance-robbing heat soak with this replacement coolant thermostat from Meyle. A failing or sticky thermostat can ruin a track day or spirited drive, making a fresh, high-quality replacement essential for keeping your cooling system performing at its peak under heavy load. Engineered for crisp, reliable valve activation, it ensures your cooling system sheds heat efficiently when you are pushing your vehicle to its limits.
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Thermostat With Housing
Thermostat With Housing
Febi - Corporate Logo
T#:56001956
Part#: 11538635689
Special Order: No Guaranteed ETA
New Item
$ 126.99 USD
Free Shipping on orders $49 and up
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$ 126.99 USD
Free Shipping on orders $49 and up
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This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track.
Coolant Thermostat
Coolant Thermostat
Febi - Corporate Logo
T#:55857769
Part#: 11537598865
Special Order: No Guaranteed ETA
New Item
$ 68.99 USD
Add to Wish List
$ 68.99 USD
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This replacement thermostat from Febi Bilstein ensures your cooling system regulates precisely at the proper factory temperature parameters.

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