BMW Coolant Expansion Tanks for BMW X5 M 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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Genuine MINI Engine Coolant Expansion Tank Cap - 17135A1BD89
Genuine MINI Engine Coolant Expansion Tank Cap - 17135A1BD89 ...
Genuine MINI - Corporate Logo
T#:28337931
Part#: 17135A1BD89
In Stock
26% off MSRP $ 34.99

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

$ 25.99 USD
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26% off MSRP
$ 34.99

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

$ 25.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Meistersatz CAP- EXPANSION TANK
Meistersatz CAP- EXPANSION TANK
Meistersatz - Corporate Logo
T#:1195781
Part#: 17117639021
Ships in 3 Business Days
$ 30.99

This product was last offered at the strikethrough price on
07-07-2026

$ 29.99 USD
Free Shipping on orders $49 and up
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$ 29.99 USD
Free Shipping on orders $49 and up
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AutoTecknic Dry Carbon Coolant Expansion Tank Cap Cover - Gloss Carbon
AutoTecknic Dry Carbon Coolant Expansion Tank Cap Cover - Gloss Carbo...
AUTOTECKNIC - Corporate Logo
T#:39497984
Part#: BM-0803-GC
Ships in 7 Business Days
$ 74.99 USD
Free Shipping on orders $49 and up
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$ 74.99 USD
Free Shipping on orders $49 and up
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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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