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BMW F30 ActiveHybrid 3 N55 3.0L Cooling Expansion Tank Parts

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Blue Engine Coolant Reservoir Cap

ES#4883000 - 201-0393-BLU - Blue 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#:
4883000
Mfg#:
201-0393-BLU
In Stock
$109.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Cap

ES#2550027 - 17117521071 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - URO - BMW

Keep that coolant expansion tank sealed 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2550027
Mfg#:
17117521071
In Stock
$14.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silver Engine Coolant Reservoir Cap

ES#4883004 - 201-0393-SIL - Silver 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#:
4883004
Mfg#:
201-0393-SIL
Ships in 8 Business Days
$109.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Grommet

ES#177738 - 64126910076 - Expansion Tank Grommet - Used in the expansion tank - Genuine BMW - BMW MINI

Used in the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
177738
Mfg#:
64126910076
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Black

ES#4505863 - CO0LANTCAPBLK - Billet Coolant Reservoir Cap - Anodized Black - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505863
Mfg#:
CO0LANTCAPBLK
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4941100 - 17132754264 - Engine Coolant Expansion Tank Cap - Replace the expansion tank cap for your MINI / BMW - Bremmen Parts - BMW MINI

Replace the expansion tank cap for your MINI / BMW 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941100
Mfg#:
17132754264
In Stock
ON SALE! SAVE 14%
$6.99

This product was last offered at the strikethrough price on
05-02-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Coolant Expansion Tank Cap Cover (Gloss Carbon)

ES#4900217 - BM-0803-GC - Carbon Coolant Expansion Tank Cap Cover (Gloss Carbon) - Upgrade to AutoTecknics Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover and give your BMW the exclusive, high-performance look it deserves. - AUTOTECKNIC - BMW

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:
AUTOTECKNIC - Corporate Logo
ES#:
4900217
Mfg#:
BM-0803-GC
Ships in 7 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

Silver Auxiliary Coolant Reservoir Cap

ES#4882956 - 201-0394-SIL - Silver Auxiliary 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#:
4882956
Mfg#:
201-0394-SIL
Ships in 7 Business Days
$94.99 USD
Free Shipping
on orders $49 and up

Blue Auxiliary Coolant Reservoir Cap

ES#4882951 - 201-0394-BLU - Blue Auxiliary 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#:
4882951
Mfg#:
201-0394-BLU
Ships in 9 Business Days
$94.99 USD
Free Shipping
on orders $49 and up

BMW | Cap, coolant tank

ES#4861045 - 17135A1BD89 - BMW | Cap, coolant tank - Vaico - BMW

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4861045
Mfg#:
17135A1BD89
Ships in 1 Business Day
$24.99

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

$23.99 USD
Free Shipping
on orders $49 and up

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
Ships in 3 Business Days
$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 Oct 15, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Coolant Expansion Tank Cap Cover (Red Carbon)

ES#4900218 - BM-0803-RC - Carbon Coolant Expansion Tank Cap Cover (Red Carbon) - Upgrade to AutoTecknics Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover in Red Carbon and give your BMW the exclusive, high-performance look it deserves. - Autotech - BMW

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:
Autotech - Corporate Logo
ES#:
4900218
Mfg#:
BM-0803-RC
Ships in 7 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

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

Black Auxiliary Coolant Reservoir Cap

ES#4882954 - 201-0394-BLK - Black Auxiliary 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#:
4882954
Mfg#:
201-0394-BLK
Ships in 9 Business Days
$94.99 USD
Free Shipping
on orders $49 and up

Expansion Tank

ES#4900715 - 17137642160 - Expansion Tank - Replacement for your cracked and/or damaged coolant expansion tank. - Meyle - BMW

Replacement for your cracked and/or damaged coolant expansion tank. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900715
Mfg#:
17137642160
Ships on Oct 15, 2026
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

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Manufacturer names and/or part numbers are used only for identification purposes.

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