BMW G01 X3 sDrive30i B46 2.0L Cooling Expansion Tank Parts

Take your BMW to the next level with the AutoTecknic Dry Carbon Fiber Charge Cooler Reservoir Cap Cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4904982

Mfg#:

BM-0032

$64.99 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

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

Brand:

ES#:

4618482

Mfg#:

17135A6A030

7% off MSRP

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

$189.99

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

$176.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Smaller of the 2 expansion tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3474959

Mfg#:

17138610661

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

Lifetime Replacement

Connects the coolant expansion tank to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier Gen1 B46 engine only

Brand:

ES#:

5341132

Mfg#:

17127535528

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

Brand:

ES#:

3441908

Mfg#:

34336871185

5% off MSRP

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

$110.99

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

$104.99 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

Keep that coolant expansion tank sealed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2801130

Mfg#:

17117639020

$17.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Replace your old brittle expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5470511

Mfg#:

17135A6A030C

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

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