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

No Vehicle selected
Please select your vehicle below.

    • 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 Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW Cooling Expansion Tank Parts

Sort By
Filter By
Return to Top

Engine Coolant Expansion Tank Cap

ES#4732065 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your BMW - Genuine BMW - BMW

Replacement expansion tank cap for your BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4732065
Mfg#:
17135A1BD89
In Stock
6% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
10-23-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank With Cap And Level Sensor

ES#4499530 - 17138621092 - Coolant Expansion Tank With Cap And Level Sensor - Replace your cracked or faded tank - Hamburg Tech - BMW

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
4499530
Mfg#:
17138621092
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank - With Cap

ES#3560011 - 17137640514 - Coolant Expansion Tank - With Cap - Includes Level Sensor & Cap - Hamburg Tech - BMW

Includes Level Sensor & Cap

Brand:
Hamburg Tech - Corporate Logo
ES#:
3560011
Mfg#:
17137640514
In Stock
$79.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#2874178 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Febi - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874178
Mfg#:
17137553919
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2966742 - 17137640514 - Coolant Expansion Tank - Includes level sensor - URO - BMW

Includes level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2966742
Mfg#:
17137640514
In Stock
$60.74 USD
Free Shipping
on orders $49 and up

N54 Billet 90 Degree Coolant Tank Fitting

ES#4159348 - VTT-COOLANT-90-1 - N54 Billet 90 Degree Coolant Tank Fitting - Comes with fitting, and 1 clamp. - Vargas Turbo Technologies - BMW

Comes with fitting, and 1 clamp. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4159348
Mfg#:
VTT-COOLANT-90-1
In Stock
$37.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Expansion Tank

ES#4812413 - 63850 - Aluminum Coolant Expansion Tank - Eliminate your failure-prone plastic tank! - Moroso - BMW

Eliminate your failure-prone plastic tank!

Brand:
Moroso - Corporate Logo
ES#:
4812413
Mfg#:
63850
In Stock at Vendor
$586.00 USD
Free Shipping
on orders $49 and up

Expansion Tank

ES#4618485 - 17137889450 - Expansion Tank - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4618485
Mfg#:
17137889450
In Stock
6% off MSRP

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

$248.99

This product was last offered at the strikethrough price on
10-23-2026

$233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4504673 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your MINI - Genuine MINI - BMW MINI

Replacement expansion tank cap for your MINI

Brand:
Genuine MINI - Corporate Logo
ES#:
4504673
Mfg#:
17135A1BD89
Ships in 1-2 days
9% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
10-23-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2586751 - 17111723520KT - Expansion Tank Replacement Kit - Includes a level sensor, cap and coolant - Assembled By ECS - BMW

Includes a level sensor, cap and coolant 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 06/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586751
Mfg#:
17111723520KT
In Stock
ON SALE! SAVE 21%
$107.99

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

$85.73 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Level Sensor

ES#4316496 - 61318360855 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Bavarian Autosport - BMW

Monitors the coolant level in the expansion tank 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 09/1998

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316496
Mfg#:
61318360855
In Stock
ON SALE! SAVE 19%
$20.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4899521 - 17135A6A030 - Coolant Expansion Tank - Replace your old brittle expansion tank - Rein - BMW

Replace your old brittle expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899521
Mfg#:
17135A6A030
In Stock
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#38024 - 17112283345 - Expansion Tank - Cooling system expansion tank - Genuine BMW - BMW

Cooling system expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
38024
Mfg#:
17112283345
In Stock
5% off MSRP

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

$215.99

This product was last offered at the strikethrough price on
10-23-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#37957 - 17112225543 - Coolant Expansion Tank - Houses excess engine coolant - Genuine BMW - BMW

Houses excess engine coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
37957
Mfg#:
17112225543
In Stock
5% off MSRP

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

$215.99

This product was last offered at the strikethrough price on
10-23-2026

$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

F8X S55 Heavy Duty Aluminum Intercooler Expansion Tank

ES#5492276 - 060289LA02 - F8X S55 Heavy Duty Aluminum Intercooler Expansion Tank - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5492276
Mfg#:
060289LA02
In Stock
$329.99 USD
Free Shipping
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.

Other BMW Cooling Expansion Tank Parts

Let us help you find the parts that fit your BMW

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings