BMW Engine Coolant Flanges & Parts

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2993814

Mfg#:

11537642854

6% 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
06-03-2026

$566.99 USD

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on orders $49 and up

Lifetime Replacement

Aluminum Connector, Gasket, and Temperature Sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4891822

Mfg#:

CHK0940

Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4880971

Mfg#:

601-0003

Located on the side of the engine block, includes gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4841460

Mfg#:

11118511205

$50.99 USD

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on orders $49 and up

Lifetime Replacement

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3243700

Mfg#:

11118619408

2% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-03-2026

$44.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4772485

Mfg#:

11537642854

Located on the left side of the engine - features aluminum construction to resist cracking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5341170

Mfg#:

11127806196

Identical to OE part in form, fit, and function, but with aluminum construction to prevent cracking and leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4899530

Mfg#:

11118619408

Includes the components needed to replace the two biggest B48 cooling issues, plus most of the "while you are in there" parts we highly recommend replacing - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For later models with the B48 Gen2 (B48D) engine only - Not compatible with earlier Gen1 engines

Brand:

ES#:

5425175

Mfg#:

G2XB48DOFHL2KT

$1733.99 USD

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Partial Replacement

OEM replacement thermostat with housing and gasket for B46 and B48. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:

ES#:

3198177

Mfg#:

11537644811

10% 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
06-03-2026

$544.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Replace leaking or worn coolant flange with this Genuine BMW part affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For B48TU Gen 2 applications (B46D/B48D)

Brand:

ES#:

4732047

Mfg#:

11515A74E79

4% 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
06-03-2026

$128.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement