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BMW 328i Cooling Expansion Tank Parts

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Expansion Tank Mounting Plate

ES#3504760 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Rein - BMW

Mounts to the side of the radiator for retaining the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3504760
Mfg#:
17111436250
In Stock
$70.99

This product was last offered at the strikethrough price on
10-22-2026

$58.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2586754 - 17111723520KT2 - Expansion Tank Replacement Kit - Includes all necessary hardware - Genuine BMW - BMW

Includes all necessary hardware For vehicles with production date from 03/1996

Brand:
Genuine BMW - Corporate Logo
ES#:
2586754
Mfg#:
17111723520KT2
Ships in 1-2 days
$400.99

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

$395.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Billet Coolant Reservoir Cap - Anodized Clear

ES#4505865 - CO0LANTCAPRAW - Billet Coolant Reservoir Cap - Anodized Clear - 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
This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505865
Mfg#:
CO0LANTCAPRAW
Ships in 3 Business Days
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Coolant Expansion Tank

ES#4499527 - 17137642158 - Coolant Expansion Tank - Includes level sensor - Hamburg Tech - BMW

Includes level sensor We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4499527
Mfg#:
17137642158
In Stock
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#168105 - 61318360855 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Genuine BMW - BMW

Monitors the coolant level in the expansion tank For vehicles with production date from 03/1996

Brand:
Genuine BMW - Corporate Logo
ES#:
168105
Mfg#:
61318360855
Ships in 1-2 days
2% off MSRP

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

$92.99

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

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#2534580 - 17111723521 - Expansion Tank Hose - Connects the expansion tank to the radiator - URO - BMW

Connects the expansion tank to the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534580
Mfg#:
17111723521
In Stock
$6.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#4147013 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - URO - BMW

Fits various components in the cooling system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147013
Mfg#:
17111711987
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

Cooling O-Ring - Priced Each

ES#37795 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - Genuine BMW - BMW

Fits various components in the cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
37795
Mfg#:
17111711987
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant level sensor

ES#2871884 - 61318360855 - Coolant level sensor - Monitors the coolant level in the expansion tank - Febi - BMW

Monitors the coolant level in the expansion tank We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/1996

Brand:
Febi - Corporate Logo
ES#:
2871884
Mfg#:
61318360855
In Stock
ON SALE! SAVE 29%
$18.22

This product was last offered at the strikethrough price on
05-14-2026

$12.99 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

Coolant Expansion Tank

ES#2534591 - 17111723520 - Coolant Expansion Tank - Does not include cap or coolant level sensor - URO - BMW

Does not include cap or coolant level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534591
Mfg#:
17111723520
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 1

ES#2588202 - 17117573781OEKT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor, cap, and mounting hardware. - Genuine BMW - BMW

Includes a level sensor, cap, and mounting hardware.

Brand:
Genuine BMW - Corporate Logo
ES#:
2588202
Mfg#:
17117573781OEKT
Ships in 1-2 days
$273.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Mounting Plate

ES#3984620 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - URO - BMW

Mounts to the side of the radiator for retaining the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
URO - Corporate Logo
ES#:
3984620
Mfg#:
17111436250
Ships in 1 Business Day
$49.99 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.

Let us help you find the parts that fit your BMW

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