Genuine BMW BMW Coolant Expansion Tanks for BMW F90 M5 S63 4.4L

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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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Expansion Tank - F90, F91, F92, F93
Expansion Tank - F90, F91, F92, F93
Genuine BMW - Corporate Logo
T#:10225927
Part#: 17137889450
In Stock
Sale - Save 3% $ 226.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 220.50 USD
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Sale - Save 3%
$ 226.99

This product was last offered at the strikethrough price on
05-15-2026

$ 220.50 USD
Free Shipping
Add to Wish List

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