BMW G20 330i xDrive B46 2.0L Cooling Expansion Tank Parts

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4505866

Mfg#:

CO0LANTCAPBLUE

$78.99 USD

Add to Cart

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on orders $49 and up

Lifetime Replacement

Replacement expansion tank cap for your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4732065

Mfg#:

17135A1BD89

6% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
06-04-2026

$32.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4505864

Mfg#:

CO0LANTCAPRED

$79.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Replacement expansion tank cap for your MINI affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4504673

Mfg#:

17135A1BD89

26% off MSRP

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

$34.99

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

$25.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4505863

Mfg#:

CO0LANTCAPBLK

$79.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Replacement plastic coolant reservoir for the high temp circuit that cools your engine block and cylinder head - includes an integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4181509

Mfg#:

17138610652

7% 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
06-04-2026

$185.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Seals the high temp circuit expansion tank, preventing coolant and pressure loss affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4181514

Mfg#:

17138665638

6% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
06-04-2026

$32.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap

Brand:

ES#:

4505865

Mfg#:

CO0LANTCAPRAW

$78.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Connects the cylinder head to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine

Brand:

ES#:

4181361

Mfg#:

17128654824

7% off MSRP

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

$57.99

This product was last offered at the strikethrough price on
06-04-2026

$53.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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#:

5388630

Mfg#:

622-0291-BLAK

Replacement plastic coolant reservoir for the low temp circuit that cools your intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the Gen2 engines only (B58D & B46D/X) - Not for use with the later Gen3 engines (B58N & B48P)

Brand:

ES#:

4181510

Mfg#:

17138610653

6% off MSRP

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

$170.99

This product was last offered at the strikethrough price on
06-04-2026

$159.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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#:

4882956

Mfg#:

201-0394-SIL

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#:

4882951

Mfg#:

201-0394-BLU

Replacement plastic coolant reservoir for the low temp circuit that cools your intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the later Gen3 engines only (B58N & B48P) - Not for use with the early Gen3 engines (B58D & B46D/X)

Brand:

ES#:

4757672

Mfg#:

17135A270D3