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BMW 328i Coolant Expansion Tank Caps

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MMX 90mm Billet Coolant Expansion Tank Cap | BMW

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

Brand:
MMX Performance - Corporate Logo
ES#:
4809889
Mfg#:
MMR03-1502
Ships in 2 Business Days
$127.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#2874167 - 17111742232 - Expansion Tank Cap - 1.4 Bar pressure - Febi - BMW

1.4 Bar pressure We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874167
Mfg#:
17111742232
In Stock
$24.99

This product was last offered at the strikethrough price on
06-18-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2091421 - 17111723580 - Expansion Tank Cap Seal - Keep your coolant in. - MTC - BMW

Keep your coolant in.

Brand:
MTC - Corporate Logo
ES#:
2091421
Mfg#:
17111723580
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2187552 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - URO - BMW

Replace when performing cooling service. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187552
Mfg#:
17111742231
Ships in 1 Business Day
$11.99

This product was last offered at the strikethrough price on
08-13-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2814079 - 17111742231 - Expansion Tank Cap - Replace worn or missing pieces. - Hamburg Tech - BMW

Replace worn or missing pieces. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814079
Mfg#:
17111742231
Ships in 1 Business Day
$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#37900 - 17111723580 - Expansion Tank Cap Seal - Keep your coolant in. - Genuine BMW - BMW

Keep your coolant in.

Brand:
Genuine BMW - Corporate Logo
ES#:
37900
Mfg#:
17111723580
Ships in 1-2 days
$12.99

This product was last offered at the strikethrough price on
08-13-2026

$8.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2801130 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Meistersatz - BMW

Keep that coolant expansion tank sealed

Brand:
Meistersatz - Corporate Logo
ES#:
2801130
Mfg#:
17117639020
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#4328152 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Meyle - BMW

Keep that coolant expansion tank sealed 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328152
Mfg#:
17117639020
Ships on Sep 23, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Black Engine Coolant Reservoir Cap

ES#4882996 - 201-0393-BLK - Black Engine Coolant Reservoir Cap - Functional and stunningly stylish way to add a nice touch to any engine bay! - Precision Raceworks - BMW

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

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882996
Mfg#:
201-0393-BLK
Ships in 9 Business Days
$109.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Cap

ES#5491375 - 46221 - Coolant Expansion Tank Cap - Keep your BMWs cooling system performing exactly as intended with this premium replacement coolant expansion tank cap from Febi Bilstein. - Febi - BMW

Keep your BMW’s cooling system performing exactly as intended with this premium replacement coolant expansion tank cap from Febi Bilstein.

Brand:
Febi - Corporate Logo
ES#:
5491375
Mfg#:
46221
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Cap

ES#2881545 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Vaico - BMW

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

Brand:
Vaico - Corporate Logo
ES#:
2881545
Mfg#:
17117639020
Special Order: No Guaranteed ETA
$17.99 USD
Free Shipping
on orders $49 and up

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