BMW G01 X3 sDrive30i B46 2.0L Engine Cooling Parts

The smart choice for premium replacement parts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
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For model years 2017-2019

Brand:

ES#:

4900634

Mfg#:

11518638026

$98.99

This product was last offered at the strikethrough price on
12-29-2025

$97.99 USD

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Lifetime Replacement

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal fitment design - modifications may be necessary to run this cooler

Brand:

ES#:

5470103

Mfg#:

8371

Replace your old brittle expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5470511

Mfg#:

17135A6A030C

Your engine relies on a steady temperature to stay healthy and efficient. With the Rein CTA0079, you’re getting OE-level quality and a frustration-free install that gets your car back to peak performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5470515

Mfg#:

11537644811

Connects the heat management module to the expansion tank's lower port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier Gen1 B46 engine only

Brand:

ES#:

5341131

Mfg#:

17127535536

Sealing Cap For Suction Line and Pressure Line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5396266

Mfg#:

MMR03-0003

$40.00 USD

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Lifetime Replacement

Replaces missing or cracked coolant expansion tank. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5425971

Mfg#:

17135A6A030

Functional and stunningly stylish way to add a nice touch to any engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4882996

Mfg#:

201-0393-BLK

Functional and stunningly stylish way to add a nice touch to any engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4882954

Mfg#:

201-0394-BLK

Dress up your engine bay with new coolant expansion tank caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For model years up to 2023

Brand:

ES#:

5388629

Mfg#:

622-0291-SIL

Includes the main components needed to replace the two biggest B48 cooling issues - featuring an upgraded Aluminum Oil Filter Housing and new Coolant Thermostat Module 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#:

5425168

Mfg#:

G2XB48DOFHL1KT

$1092.99

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

$1085.99 USD

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Partial Replacement

Main cylinder head gasket 1.00MM (+0.3) (plus size) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production from 07/2015 with the B46/B48 Gen1 engine

Brand:

ES#:

4940647

Mfg#:

597.170

$134.99 USD

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Lifetime Replacement

Replace your old and brittle expansion tank. Fits B46 B58 S58 egines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Brand:

ES#:

4861046

Mfg#:

17135A6A030

Replace your faulty coolant pump to keep engine temperatures under control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Brand:

ES#:

4714615

Mfg#:

11518482250

$144.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement