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BMW Cooling Expansion Tank Parts

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Expansion Tank Replacement Kit - Level 2

ES#2792725 - 17117573781KT3 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Assembled By ECS - BMW

More advanced expansion tank replacement kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2792725
Mfg#:
17117573781KT3
Ships on Aug 6, 2026
ON SALE!
$306.99

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

$279.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3032465 - 17137647713 - Coolant Expansion Tank - Replace your cracked or faded tank - Mahle-Behr - BMW

Replace your cracked or faded tank

Brand:
Mahle-Behr - Corporate Logo
ES#:
3032465
Mfg#:
17137647713
Ships on Aug 6, 2026
$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Reservoir For The Cooling System. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5457190
Mfg#:
17137601948
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 15%
$72.99

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

$62.04 USD

Expansion Tank Cap

ES#2874172 - 17117639021 - Expansion Tank Cap - Cap for plastic expansion tank - Febi - BMW

Cap for plastic expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874172
Mfg#:
17117639021
Special Order: No Guaranteed ETA
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant Flange

ES#4343477 - 17111707817 - BMW Coolant Flange - Connects the radiator to the expansion tank - Febi - BMW

Connects the radiator to the expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343477
Mfg#:
17111707817
Special Order: No Guaranteed ETA
$47.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2868201 - 17111741167 - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
2868201
Mfg#:
17111741167
Special Order: No Guaranteed ETA
$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant Expansion Tank

ES#4343542 - 17137575578 - BMW Coolant Expansion Tank - Coolant Expansion Tank maintains pressure, fluid levels, and prevents engine overheating. - Febi - BMW

Coolant Expansion Tank maintains pressure, fluid levels, and prevents engine overheating. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343542
Mfg#:
17137575578
Special Order: No Guaranteed ETA
$73.99 USD
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant Expansion Bottle

ES#4343545 - 17137619189 - BMW Coolant Expansion Bottle - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
4343545
Mfg#:
17137619189
Special Order: No Guaranteed ETA
$83.99 USD
This product is lifetime replacement eligible Lifetime Replacement

BMW coolant expansion tank

ES#4343540 - 17134714830 - BMW coolant expansion tank - Includes level sensor. Cap not included - Febi - BMW

Includes level sensor. Cap not included 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343540
Mfg#:
17134714830
Special Order: No Guaranteed ETA
$96.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

Keep your BMW’s cooling system performing exactly as intended with this premium replacement coolant expansion tank cap from Febi Bilstein. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Febi - Corporate Logo
ES#:
5491375
Mfg#:
46221
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#5480832 - 314 223 0004 - Coolant Expansion Tank - Designed to meet strict original equipment specifications, this tank is an essential preventive maintenance item or an instant fix for a cracked reservoir. - Meyle - BMW

Designed to meet strict original equipment specifications, this tank is an essential preventive maintenance item or an instant fix for a cracked reservoir. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5480832
Mfg#:
314 223 0004
Ships on Oct 30, 2026
Auto Notify
$75.99 USD
Free Shipping
on orders $49 and up

Expansion Tank - Vaico

ES#4861046 - 17135A6A030 - Expansion Tank - Vaico - Replace your old and brittle expansion tank. Fits B46 B58 S58 egines - Vaico - BMW

Replace your old and brittle expansion tank. Fits B46 B58 S58 egines We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4861046
Mfg#:
17135A6A030
Special Order: No Guaranteed ETA
$151.99 USD
Free Shipping
on orders $49 and up

Coolant Hose - Expansion Tank

ES#2881729 - 17127808117 - Coolant Hose - Expansion Tank - Connects the lower expansion tank connection to the transmission heat exchanger - Vaico - BMW

Connects the lower expansion tank connection to the transmission heat exchanger We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2881729
Mfg#:
17127808117
Special Order: No Guaranteed ETA
$230.99

This product was last offered at the strikethrough price on
04-15-2026

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4328181 - 17137823626 - Coolant Expansion Tank - Mounts towards the front of the engine bay - Meyle - BMW MINI

Mounts towards the front of the engine bay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328181
Mfg#:
17137823626
Special Order: No Guaranteed ETA
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4609188 - 17138687503 - Coolant Expansion Tank - Replace your cracked or faded tank - Meyle - BMW MINI

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

Brand:
Meyle - Corporate Logo
ES#:
4609188
Mfg#:
17138687503
Special Order: No Guaranteed ETA
$67.99 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.

Other BMW Cooling Expansion Tank Parts

Let us help you find the parts that fit your BMW

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