Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW F33 430i xDrive B46 2.0L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW F33 430i xDrive B46 2.0L
Your Vehicle BMW F33 430i xDrive B46 2.0L
Change Clear

BMW F33 430i xDrive B46 2.0L Cooling Expansion Tank Parts

Sort By
Filter By
Return to Top

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
Ships in 5 Business Days
$79.99 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 5X Entries Into Our F80 M3 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 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

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

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

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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4809968
Mfg#:
17138677649
In Stock
ON SALE!
$87.99

This product was last offered at the strikethrough price on
08-26-2026

$81.16 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
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 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 Into Our F80 M3 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 Into Our F80 M3 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
Ships in 1 Business Day
$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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings