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BMW F30 Engine Thermostat Parts

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Mosselman Billet Oil Thermostat - N55 - Black

ES#5425999 - 30210057 - Mosselman Billet Oil Thermostat - N55 - Black - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
5425999
Mfg#:
30210057
Ships in 7 Business Days
$399.00 USD
Free Shipping
on orders $49 and up

Water Pump & Thermostat Kit - B46 2.0L

ES#4869782 - 11518638026KT - Water Pump & Thermostat Kit - B46 2.0L - Includes a Genuine BMW water pump, heat management module, and 1 gallon of coolant concentrate - Genuine BMW - BMW

Includes a Genuine BMW water pump, heat management module, and 1 gallon of coolant concentrate

Brand:
Genuine BMW - Corporate Logo
ES#:
4869782
Mfg#:
11518638026KT
In Stock
$761.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Engine Oil Cooler Thermostat W/ Housing

ES#2734086 - 11428507694 - Engine Oil Cooler Thermostat W/ Housing - Located between the oil filter housing and the engine oil cooler - Genuine BMW - BMW

Located between the oil filter housing and the engine oil cooler

Brand:
Genuine BMW - Corporate Logo
ES#:
2734086
Mfg#:
11428507694
Ships in 2 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$198.99

This product was last offered at the strikethrough price on
07-21-2026

$182.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Kit

Includes everything needed to replace your water pump and thermostat.

Brand:
Genuine BMW - Corporate Logo
ES#:
5395265
Mfg#:
11518516204KT
Ships on Aug 26, 2026
Auto Notify
$455.99

This product was last offered at the strikethrough price on
06-09-2026

$442.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

PROFILE-GASKET

ES#2993815 - 11538658571 - PROFILE-GASKET - Gasket that goes between the thermostat and radiator return pipe - Genuine BMW - BMW

Gasket that goes between the thermostat and radiator return pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
2993815
Mfg#:
11538658571
Ships in 2 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$14.99

This product was last offered at the strikethrough price on
07-21-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-ring

ES#2997891 - 11538658572 - Thermostat O-ring - O ring that seals the thermostat to the coolant pump - Genuine BMW - BMW

O ring that seals the thermostat to the coolant pump

Brand:
Genuine BMW - Corporate Logo
ES#:
2997891
Mfg#:
11538658572
In Stock
$9.99

This product was last offered at the strikethrough price on
03-04-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Pipe

ES#3421131 - 11538630023 - Radiator Return Pipe - Coolant pipe that runs from the thermostat next to the engine block - Genuine BMW - BMW

Coolant pipe that runs from the thermostat next to the engine block

Brand:
Genuine BMW - Corporate Logo
ES#:
3421131
Mfg#:
11538630023
Ships in 2 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$329.99

This product was last offered at the strikethrough price on
07-21-2026

$309.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Thermostat Housing

ES#3190022 - 902-5135 - Engine Coolant Thermostat Housing - OE grade thermostat assembly. - Dorman - BMW

OE grade thermostat assembly.

Brand:
Dorman - Corporate Logo
ES#:
3190022
Mfg#:
902-5135
Ships in 5 Business Days
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Thermostat W/ Housing

ES#4932454 - 11428507694 - Engine Oil Cooler Thermostat W/ Housing - Located between the oil filter housing and the engine oil cooler - URO - BMW

Located between the oil filter housing and the engine oil cooler 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4932454
Mfg#:
11428507694
Ships in 1 Business Day
ON SALE!
$74.74

This product was last offered at the strikethrough price on
06-25-2026

$71.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#25157 - 11537793373 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring

Brand:
Genuine BMW - Corporate Logo
ES#:
25157
Mfg#:
11537793373
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$17.99

This product was last offered at the strikethrough price on
07-21-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4472470 - 11537598865 - Thermostat Assembly - A common item to crack causing leaks. - Vemo - BMW

A common item to crack causing leaks.

Brand:
Vemo - Corporate Logo
ES#:
4472470
Mfg#:
11537598865
In Stock at Vendor
$276.99

This product was last offered at the strikethrough price on
05-07-2026

$268.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3658497 - 11518512234 - Thermostat - No heat? Overheating? Time for a cooling system service. - Mahle-Behr - BMW

No heat? Overheating? Time for a cooling system service.

Brand:
Mahle-Behr - Corporate Logo
ES#:
3658497
Mfg#:
11518512234
Ships in 10 Business Days
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Thermostat Gasket

ES#2698591 - 11518516207 - Engine Coolant Thermostat Gasket - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2698591
Mfg#:
11518516207
In Stock
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$22.99

This product was last offered at the strikethrough price on
07-21-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5470487 - 11538635689 - Thermostat Housing - Looking to swap out your thermostat without the headache? This thermostat housing from Rein Automotive is designed to make your repair feel less like a project and more like a simple "plug-and-play" fix. - Rein - BMW

Looking to swap out your thermostat without the headache? This thermostat housing from Rein Automotive is designed to make your repair feel less like a project and more like a simple "plug-and-play" fix. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470487
Mfg#:
11538635689
Ships in 3 Business Days
$99.99 USD

Screw Plug - Priced Each

ES#25836 - 11617568552 - Screw Plug - Priced Each - This is the screw plug found in the oil cooler thermostat assembly - Genuine BMW - BMW

This is the screw plug found in the oil cooler thermostat assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
25836
Mfg#:
11617568552
Ships in 2 Business Days
$11.99

This product was last offered at the strikethrough price on
03-04-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Management Module Gasket

ES#5339330 - B16.500 - Heat Management Module Gasket - Seals the heat management modules connection to the radiator return pipe - Elring - BMW

Seals the heat management modules connection to the radiator return pipe 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5339330
Mfg#:
B16.500
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your BMW

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