BMW F26 X4 xDrive35i N55 3.0L Cooling Expansion Tank Parts

Replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:

ES#:

3658978

Mfg#:

17138616418

Replace your Old Coolant Expansion Tank With This New Unit

Brand:

ES#:

4685924

Mfg#:

17138616418

$68.99

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

$66.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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

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

Brand:

ES#:

4882996

Mfg#:

201-0393-BLK

Nothing ruins a weekend drive faster than a brittle, leaking cooling hose. If your factory hose has seen better days, this precision-molded coolant recovery tank hose is the perfect weekend DIY fix to restore your cooling system's integrity. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5480651

Mfg#:

17128570061

Keep your BMW’s cooling system performing exactly as intended with this premium replacement coolant expansion tank cap from Febi Bilstein. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5491375

Mfg#:

46221

Connects the expansion tank to the upper radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5341135

Mfg#:

17128651298

Keep that coolant expansion tank sealed We Price Match - Give Us A Call or Chat!

Brand:

ES#:

2881545

Mfg#:

17117639020