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BMW F33 430i B46 2.0L Cooling Expansion Tank Parts

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Charge Air Cooler Expansion Tank

ES#2993908 - 17138617045 - Charge Air Cooler Expansion Tank - Replace your cracked or leaking tank - Genuine BMW - BMW

Replace your cracked or leaking tank

Brand:
Genuine BMW - Corporate Logo
ES#:
2993908
Mfg#:
17138617045
Ships in 1-2 days
6% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
08-20-2026

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Engine Coolant Expansion Tank

ES#4475920 - 17138677649 - Engine Coolant Expansion Tank - Replace your cracked or leaking tank - Does not include cap or coolant level sensor - Meyle - BMW

Replace your cracked or leaking tank - Does not include cap or coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4475920
Mfg#:
17138677649
Ships in 2 Business Days
$164.99

This product was last offered at the strikethrough price on
03-20-2026

$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charge Air Cooler Expansion Tank

ES#4772706 - 17138617045 - Charge Air Cooler Expansion Tank - Replace your cracked or leaking tank - Febi - BMW

Replace your cracked or leaking tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4772706
Mfg#:
17138617045
Ships in 2 Business Days
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Cap Bundle - Black

Dress up your engine bay with new coolant expansion tank caps

Brand:
Precision Raceworks - Corporate Logo
ES#:
5388630
Mfg#:
622-0291-BLAK
Ships in 9 Business Days
$184.99 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary 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

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

Expansion Tank

ES#4809968 - 17138677649 - Expansion Tank - Quality replacement for your cracked and/or damaged coolant expansion tank. - URO - BMW

Quality replacement for your cracked and/or damaged coolant expansion tank. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4809968
Mfg#:
17138677649
In Stock
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charge Air Cooler Expansion Tank

ES#4772705 - 17138617045 - Charge Air Cooler Expansion Tank - Replace your cracked or leaking tank - Vaico - BMW

Replace your cracked or leaking tank We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4772705
Mfg#:
17138617045
Special Order: No Guaranteed ETA
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
In Stock at Vendor
$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 Kit

ES#4776041 - 17138677649EKT - Coolant Expansion Tank Kit - Includes both the Engine Coolant Expansion Tank and Charge Air Cooler Coolant Expansion Tank, plus both of the expansion tank caps - Assembled By ECS - BMW

Includes both the Engine Coolant Expansion Tank and Charge Air Cooler Coolant Expansion Tank, plus both of the expansion tank caps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4776041
Mfg#:
17138677649EKT
Ships in 2 Business Days
ON SALE!
$208.99

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

$202.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charge Air Cooler Expansion Tank

ES#4883205 - 17138617045 - Charge Air Cooler Expansion Tank - Replace your cracked or leaking tank - Rein - BMW

Replace your cracked or leaking tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883205
Mfg#:
17138617045
Ships in 3 Business Days
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank

ES#4348591 - 17138677649 - Engine Coolant Expansion Tank - Replace your cracked or leaking tank - Does not include cap or coolant level sensor - Vaico - BMW

Replace your cracked or leaking tank - Does not include cap or coolant level sensor We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4348591
Mfg#:
17138677649
In Stock at Vendor
$258.99

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

$251.99 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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