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BMW Cooling Expansion Tank Parts

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Expansion Tank

ES#3221064 - 17137601948 - Expansion Tank - Cooling system expansion tank - Rein - BMW

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

Brand:
Rein - Corporate Logo
ES#:
3221064
Mfg#:
17137601948
Ships in 3 Business Days
$118.99

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

$84.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Kit

ES#5491326 - 17138610661 - Expansion Tank Kit - Coolant reservoir tank dedicated to the intake charge air cooler system - Rein - BMW

Coolant reservoir tank dedicated to the intake charge air cooler system 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5491326
Mfg#:
17138610661
Ships in 3 Business Days
$56.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Hose

ES#5516235 - 17127646898 - Coolant Expansion Tank Hose - Connects the reservoir to the engine cylinder head - Rein - BMW

Connects the reservoir to the engine cylinder head 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5516235
Mfg#:
17127646898
Ships in 3 Business Days
$26.99 USD
Free Shipping
on orders $49 and up

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

Expansion Tank With Cap

ES#5374578 - EPK0025 - Expansion Tank With Cap - Includes bleeder screw - Rein - BMW

Includes bleeder screw 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5374578
Mfg#:
EPK0025
Ships in 3 Business Days
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Reservoir

ES#5447444 - EPT0274 - Engine Coolant Reservoir - OE-quality coolant expansion tank engineered to withstand the intense heat cycles of BMW's 4.4L Twin-Turbocharged V8 engines. - Rein - BMW

OE-quality coolant expansion tank engineered to withstand the intense heat cycles of BMW's 4.4L Twin-Turbocharged V8 engines. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5447444
Mfg#:
EPT0274
Ships in 3 Business Days
$114.99 USD
Free Shipping
on orders $49 and up

Expansion Tank With Cap - E6x

ES#5374546 - EPK0128 - Expansion Tank With Cap - E6x - Includes fluid level sensor - Rein - BMW

Includes fluid level sensor 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5374546
Mfg#:
EPK0128
Ships in 3 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Kit

ES#5374535 - EPK0151 - Expansion Tank Kit - Cooling system expansion tank - Rein - BMW

Cooling system expansion tank 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5374535
Mfg#:
EPK0151
Ships in 3 Business Days
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Return Hose

ES#3499691 - 17127519258 - Expansion Tank Return Hose - Connects between the top of the radiator and the bottom of the expansion tank - Rein - BMW

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

Brand:
Rein - Corporate Logo
ES#:
3499691
Mfg#:
17127519258
Ships in 3 Business Days
$56.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2534590 - 17111712835 - 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#:
2534590
Mfg#:
17111712835
Ships in 1 Business Day
$18.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Cap

ES#5493317 - 17138665638 - Coolant Expansion Tank Cap - Seals the high temp circuit expansion tank, preventing coolant and pressure loss - URO - BMW

Seals the high temp circuit expansion tank, preventing coolant and pressure loss 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5493317
Mfg#:
17138665638
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up

Expansion Tank

ES#4875594 - 17135A6A031 - Expansion Tank - Replace your cracked or faded tank - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
4875594
Mfg#:
17135A6A031
Ships in 1 Business Day
$102.99 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

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
Ships in 1 Business Day
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Expansion Tank

Eliminate your failure-prone plastic tank!

Brand:
Moroso - Corporate Logo
ES#:
4812407
Mfg#:
63799
Ships in 2 Business Days
$459.99 USD
Free Shipping
on orders $49 and up

Upgraded Silicone Upper Vent Hose - Black

By utilizing high-grade silicone rather than standard rubber and plastic, VTT offers a hose that stays flexible and robust through countless heat cycles. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446529
Mfg#:
N54CLVTBLKO
Ships in 10 Business Days
$54.99 USD
Free Shipping

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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