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BMW Engine Coolant Flanges & Parts

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Electronic Thermostat And Coolant Distribution Module

ES#4759995 - 11537642854 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Bremmen Parts - BMW

Thermostat controlled by the ECU for precise temperature control. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759995
Mfg#:
11537642854
In Stock
ON SALE!
$308.99

This product was last offered at the strikethrough price on
05-02-2026

$292.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Billet Cylinder Head Outlet Hose Adapter

ES#3552811 - 024797ECS01 - ECS Billet Cylinder Head Outlet Hose Adapter - Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter. - ECS - BMW

Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE! SAVE 25%
$76.99

This product was last offered at the strikethrough price on
06-13-2026

$57.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat with Housing and Gasket - B48

ES#4686052 - 11537644811 - Thermostat with Housing and Gasket - B48 - Replacement thermostat With Housing for B46 and B48 - Bremmen Parts - BMW

Replacement thermostat With Housing for B46 and B48 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:
Bremmen Parts - Corporate Logo
ES#:
4686052
Mfg#:
11537644811
In Stock
ON SALE! SAVE 15%
$223.99

This product was last offered at the strikethrough price on
05-02-2026

$190.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat and Coolant Distribution Module

ES#2993814 - 11537642854 - Electronic Thermostat and Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Genuine BMW - BMW

Thermostat controlled by the ECU for precise temperature control.

Brand:
Genuine BMW - Corporate Logo
ES#:
2993814
Mfg#:
11537642854
Ships in 3 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.

$603.99

This product was last offered at the strikethrough price on
08-07-2026

$552.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Hose Connector w/ Temp Sensor

ES#4891822 - CHK0940 - Aluminum Coolant Hose Connector w/ Temp Sensor - Aluminum Connector, Gasket, and Temperature Sensor - Rein - BMW

Aluminum Connector, Gasket, and Temperature Sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4891822
Mfg#:
CHK0940
In Stock
ON SALE!
$73.99

This product was last offered at the strikethrough price on
08-31-2026

$70.29 USD
Free Shipping
on orders $49 and up

BMP Cylinder Head Coolant Flange

ES#4880971 - 601-0003 - BMP Cylinder Head Coolant Flange - Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail - Precision Raceworks - BMW

Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail

Brand:
Precision Raceworks - Corporate Logo
ES#:
4880971
Mfg#:
601-0003
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

Aluminum Coolant Flange Connector

ES#4841460 - 11118511205 - Aluminum Coolant Flange Connector - Located on the side of the engine block, includes gasket - Rein - BMW MINI

Located on the side of the engine block, includes gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4841460
Mfg#:
11118511205
In Stock
ON SALE!
$50.99

This product was last offered at the strikethrough price on
08-31-2026

$48.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Outlet Connector Flange

ES#3243700 - 11118619408 - Coolant Outlet Connector Flange - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
3243700
Mfg#:
11118619408
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat And Coolant Distribution Module

ES#4772485 - 11537642854 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - URO - BMW

Thermostat controlled by the ECU for precise temperature control. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4772485
Mfg#:
11537642854
Ships in 2 Business Days
ON SALE!
$265.97

This product was last offered at the strikethrough price on
08-26-2026

$246.02 USD
Free Shipping
on orders $49 and up

Aluminum Coolant Flange

ES#5341170 - 11127806196 - Aluminum Coolant Flange - Located on the left side of the engine - features aluminum construction to resist cracking - Rein - BMW

Located on the left side of the engine - features aluminum construction to resist cracking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5341170
Mfg#:
11127806196
Ships in 6 Business Days
ON SALE! SAVE 21%
$69.99

This product was last offered at the strikethrough price on
03-08-2026

$55.61 USD
Free Shipping
on orders $49 and up

Aluminum Coolant Hose Connector

ES#4899530 - 11118619408 - Aluminum Coolant Hose Connector - Identical to OE part in form, fit, and function, but with aluminum construction to prevent cracking and leaks - Rein - BMW

Identical to OE part in form, fit, and function, but with aluminum construction to prevent cracking and leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899530
Mfg#:
11118619408
Back Ordered
Auto Notify
ON SALE!
$47.99

This product was last offered at the strikethrough price on
08-31-2026

$44.71 USD
Free Shipping
on orders $49 and up

Thermostat with Housing and Gasket

ES#3198177 - 11537644811 - Thermostat with Housing and Gasket - OEM replacement thermostat with housing and gasket for B46 and B48. - Genuine BMW - BMW

OEM replacement thermostat with housing and gasket for B46 and B48. For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:
Genuine BMW - Corporate Logo
ES#:
3198177
Mfg#:
11537644811
In Stock
8% off MSRP

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

$602.99

This product was last offered at the strikethrough price on
09-03-2026

$552.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Junction Heat Hose

ES#3441785 - 11538606278 - Junction Heat Hose - Hose coming off the small fitting on the thermostat - Genuine BMW - BMW

Hose coming off the small fitting on the thermostat

Brand:
Genuine BMW - Corporate Logo
ES#:
3441785
Mfg#:
11538606278
Ships in 3 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.

$84.99

This product was last offered at the strikethrough price on
08-07-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Mechanical Thermostat Conversion

ES#4709399 - 008785LA01T - M52TU/M54 Mechanical Thermostat Conversion - Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! - Turner Motorsport - BMW

Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4709399
Mfg#:
008785LA01T
Ships on Nov 17, 2026
ON SALE!
Starting at $309.67 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump housing coolant flange

ES#4732047 - 11515A74E79 - Water pump housing coolant flange - Replace leaking or worn coolant flange with this Genuine BMW part - Genuine BMW - BMW

Replace leaking or worn coolant flange with this Genuine BMW part For B48TU Gen 2 applications (B46D/B48D)

Brand:
Genuine BMW - Corporate Logo
ES#:
4732047
Mfg#:
11515A74E79
In Stock
2% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
09-03-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat And Coolant Distribution Module

ES#4872107 - 11538642559 - Electronic Thermostat And Coolant Distribution Module - Thermostat controlled by the engine computer for precise temperature control. - Ina - BMW

Thermostat controlled by the engine computer for precise temperature control. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
4872107
Mfg#:
11538642559
In Stock
$367.99

This product was last offered at the strikethrough price on
07-23-2026

$356.99 USD
Free Shipping
on orders $49 and up

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

Other BMW Engine Coolant Flanges & Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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