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BMW Cooling Expansion Tank Parts

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Coolant level sensor

ES#2871875 - 61311384739 - Coolant level sensor - Located on the expansion tank - Febi - BMW

Located on the expansion tank We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 03/1996

Brand:
Febi - Corporate Logo
ES#:
2871875
Mfg#:
61311384739
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5457190 - 17137601948 - Coolant Expansion Tank - Reservoir For The Cooling System. - Bremmen Parts - BMW

Reservoir For The Cooling System. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5457190
Mfg#:
17137601948
In Stock
ON SALE! SAVE 10%
$74.99

This product was last offered at the strikethrough price on
10-08-2026

$67.49 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4685924 - 17138616418 - Coolant Expansion Tank - Replace your Old Coolant Expansion Tank With This New Unit - Mahle - BMW

Replace your Old Coolant Expansion Tank With This New Unit

Brand:
Mahle - Corporate Logo
ES#:
4685924
Mfg#:
17138616418
Back Ordered
$68.99

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

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant expansion tank

ES#3464805 - 17111719110 - Coolant expansion tank - Replace your cracked leaking tank to avoid over heating - Mahle-Behr - BMW

Replace your cracked leaking tank to avoid over heating

Brand:
Mahle-Behr - Corporate Logo
ES#:
3464805
Mfg#:
17111719110
In Stock
Limited Qty Sale
$75.99

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

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe Connector

ES#4159268 - 17112248409 - Water Pipe Connector - Located underneath the expansion tank - Hamburg Tech - BMW

Located underneath the expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4159268
Mfg#:
17112248409
Ships in 1 Business Day
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#3504761 - 17101439110 - 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#:
3504761
Mfg#:
17101439110
Ships in 3 Business Days
$80.99

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

$63.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E83 Expansion Tank Mounting Plate

ES#3504757 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - Rein - BMW

Secures the expansion tank to the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with an automatic transmission

Brand:
Rein - Corporate Logo
ES#:
3504757
Mfg#:
17113400017
Ships in 1 Business Day
$166.99

This product was last offered at the strikethrough price on
10-20-2026

$63.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mount

ES#2814068 - 17111438819 - Expansion Tank Mount - Found on the left side of the radiator - Hamburg Tech - BMW

Found on the left side of the radiator We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814068
Mfg#:
17111438819
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2918552 - 17111712835 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Mahle-Behr - BMW

Does not include cap or coolant level sensor

Brand:
Mahle-Behr - Corporate Logo
ES#:
2918552
Mfg#:
17111712835
Ships in 9 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Vent Hose

ES#38415 - 17127536236 - Coolant Vent Hose - Connects the upper radiator hose to the expansion tank - Genuine BMW - BMW

Connects the upper radiator hose to the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
38415
Mfg#:
17127536236
Ships in 1 day
6% off MSRP

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

$64.99

This product was last offered at the strikethrough price on
10-25-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Coolant Hose - Blue

The VTT Expansion Tank Hose is a premium cooling system upgrade designed to eliminate the most common failure points in the B58 engine’s cooling circuit. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5445610
Mfg#:
VTT-B58-CEBLUE
Ships in 10 Business Days
$59.99 USD
Free Shipping

Expansion Tank Cap

ES#2570141 - 17137516004 - Expansion Tank Cap - Cap for plastic expansion tank - Febi - BMW

Cap for plastic expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2570141
Mfg#:
17137516004
Ships in 1 Business Day
$15.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3504790 - 17107514964 - Coolant Expansion Tank - Includes bleeder screw - Rein - BMW

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

Brand:
Rein - Corporate Logo
ES#:
3504790
Mfg#:
17107514964
Back Ordered
$80.99

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

$58.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2534588 - 17111436381 - Expansion Tank - Cooling system expansion tank - URO - BMW

Cooling system expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534588
Mfg#:
17111436381
Ships in 1 Business Day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#37505 - 17101704412 - Expansion Tank Hose - Connects the top radiator connection to the expansion tank. - Genuine BMW - BMW

Connects the top radiator connection to the expansion tank.

Brand:
Genuine BMW - Corporate Logo
ES#:
37505
Mfg#:
17101704412
Special Order: No Guaranteed ETA
3% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
10-25-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#240487 - 17111436381 - Coolant Expansion Tank - Does not include cap - Mahle-Behr - BMW

Does not include cap

Brand:
Mahle-Behr - Corporate Logo
ES#:
240487
Mfg#:
17111436381
Back Ordered
$57.51 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.

Other BMW Cooling Expansion Tank Parts

Let us help you find the parts that fit your BMW

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