BMW F98 X4 M S58 3.0L Cooling Expansion Tank Parts

Replace your old brittle expansion tank - Fits B46 B58 S58 engines

Brand:

ES#:

4618482

Mfg#:

17135A6A030

6% 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
09-21-2026

$178.99 USD

Add to Cart

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on orders $49 and up

Lifetime Replacement

Smaller of the 2 expansion tanks

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
09-21-2026

$160.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

Upgrade to AutoTecknic’s Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover and give your BMW the exclusive, high-performance look it deserves.

Brand:

ES#:

4900217

Mfg#:

BM-0803-GC

Dress Up Your BMW's Engine Bay With MMX's Billet Expansion Tank Cap!

Brand:

ES#:

4809889

Mfg#:

MMR03-1502

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
09-21-2026

$105.99 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

Brand:

ES#:

4882956

Mfg#:

201-0394-SIL

Functional and stunningly stylish way to add a nice touch to any engine bay

Brand:

ES#:

4882951

Mfg#:

201-0394-BLU

We Price Match - Give Us A Call or Chat!

Brand:

ES#:

4861045

Mfg#:

17135A1BD89

Keep that coolant expansion tank sealed

Brand:

ES#:

2801130

Mfg#:

17117639020

$17.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgrade to AutoTecknic’s Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover in Red Carbon and give your BMW the exclusive, high-performance look it deserves.

Brand:

ES#:

4900218

Mfg#:

BM-0803-RC

Replace your old brittle expansion tank 2X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

5470511

Mfg#:

17135A6A030C

Coolant reservoir tank dedicated to the intake charge air cooler system 2X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

5491333

Mfg#:

171386106612

Coolant reservoir tank dedicated to the intake charge air cooler system 2X Entries Into Our F80 M3 Sweepstakes

Brand:

ES#:

5491326

Mfg#:

17138610661

Functional and stunningly stylish way to add a nice touch to any engine bay!

Brand:

ES#:

4882996

Mfg#:

201-0393-BLK