BMW Coolant Expansion Tanks for BMW 2 Series F22 (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
Free Shipping on orders $49 and up
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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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AutoTecknic Dry Carbon Coolant Expansion Tank Cap Cover - Gloss Carbon
AutoTecknic Dry Carbon Coolant Expansion Tank Cap Cover - Gloss Carbo...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AUTOTECKNIC - Corporate Logo
T#:39497984
Part#: BM-0803-GC
Ships in 8 Business Days
$ 74.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 74.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Turner Motorsport offers the AutoTecknic Dry Carbon Coolant Expansion Tank Cap Cover - Gloss Carbon as the perfect addition for BMW owners looking to elevate their engine bay’s appearance with premium materials and precision engineering.
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