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BMW Coolant Expansion Tanks for BMW 2 Series F22 (2014+)

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

T#:27605427

Part#: 17138677649TKT

In Stock at Vendor

Sale - Save 5% $ 208.99

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

$ 198.66 USD

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Sale - Save 5%

$ 208.99

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

$ 198.66 USD

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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BMW N47 N55 Expansion Tank

T#:17704781

Part#: 17137642160

In Stock

Sale - Save 20% $ 98.99

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

$ 79.19 USD

Add to Wish List

Qty

Sale - Save 20%

$ 98.99

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

$ 79.19 USD

Add to Wish List

BMW N47 N55 Expansion Tank from Turner Motorsport is a high-quality replacement designed to address issues with cracked or damaged coolant expansion tanks. Engineered for durability and performance, this expansion tank ensures reliable cooling system function.

Durable Construction: Built to withstand high temperatures and pressure, ensuring long-term reliability.
Direct Replacement: Engineered as a precise fit for BMW N47 and N55 engines, making installation straightforward and hassle-free.
Enhanced Cooling Efficiency: Maintains optimal coolant levels and pressure for effective engine cooling.
High-Quality Materials: Manufactured from premium materials to resist cracking and leaks.

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BMW Coolant Expansion Tanks for BMW 2 Series F22 (2014+)

OEM Coolant Expansion Tanks Kit - F22/23 F3X B48 B58

BMW N47 N55 Expansion Tank

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