BMW Coolant Expansion Tanks for BMW 3 Series F31 (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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BMW N47 N55 Expansion Tank
BMW N47 N55 Expansion Tank
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Bavarian Autosport - Corporate Logo
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
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Sale - Save 20%
$ 98.99

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

$ 79.19 USD
Free Shipping on orders $49 and up
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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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
Free Shipping
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$ 123.99 USD
Free Shipping
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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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