BMW Coolant Expansion Tanks for BMW 4 Series F33 (2014+)

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On certain models, namely E36, E46, and E90, the factory BMW expansion tank is prone to either breaking at connection points or blowing apart altogether. If you're starting to feel like your expansion tank is on borrowed time, it's probably time to replace with either a direct OE replacement, or strengthen your cooling setup with an aluminum expansion tank - we offer numerous performance upgrades for your expansion tank. Especially if you're someone who likes to track your BMW, we recommend upgrading your expansion tank to avoid ruining your track day.
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OEM Coolant Expansion Tanks Kit - F22/23 F3X B48 B58
OEM Coolant Expansion Tanks Kit - F22/23 F3X B48 B58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:27605427
Part#: 17138677649TKT
Ships on Oct 7, 2026
Sale - Save 17% $ 208.99

This product was last offered at the strikethrough price on
05-03-2026

$ 173.05 USD
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Sale - Save 17%
$ 208.99

This product was last offered at the strikethrough price on
05-03-2026

$ 173.05 USD
Free Shipping on orders $49 and up
Add to Wish List
Genuine BMW expansion tanks have a bad habit of failing after a few years. This has primarily been caused by the plastic construction of the expansion tanks. After enough heat cycles, the plastic becomes brittle and can crack, causing coolant to leak out and air to enter the coolant system. If a failing expansion tank is not addressed soon enough, the coolant loss can lead to an overheating engine. This kit includes two brand new high quality expansion tanks and caps
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Meyle Coolant Expansion Tank - F22/23 230/M240, F3X 330/340/430/440 B46 B48 B58
Meyle Coolant Expansion Tank - F22/23 230/M240, F3X 330/340/430/440 B...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Meyle - Corporate Logo
T#:5704977
Part#: 17138677649
In Stock at Vendor
$ 164.99

This product was last offered at the strikethrough price on
03-20-2026

$ 123.99 USD
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$ 123.99 USD
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We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of fewer than six to eight years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.
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Meyle Charge Air Cooler Expansion Tank - F22, F23, F30, F31, F32, F33, F36
Meyle Charge Air Cooler Expansion Tank - F22, F23, F30, F31, F32, F33...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Meyle - Corporate Logo
T#:40714794
Part#: 17138617045
Special Order: No Guaranteed ETA
$ 72.99 USD
Free Shipping on orders $49 and up
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$ 72.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Keep your turbocharged BMW operating at its best with the Meyle Charge Air Cooler Expansion Tank 314 223 0025.

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