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Does not include expansion tank cap

Your BMW's expansion tank is an integral, and often overlooked, component of the cooling system. It allows extra coolant to expand, keeps the cooling system pressurized, and ensures that the radiator is always full of coolant.

With age, this tank can develop a leak due to hair line cracks. This can depressurize the system reducing its efficiency. We recommend replacing this component when installing a new radiator.

The replacement expansion tank cap for this expansion tank is p/n 17117639021.

Fits These Cars:
2015 BMW M3 Engine Coolant Expansion Tank
2015 BMW M4 Engine Coolant Expansion Tank
Product match fitment

BMW Expansion Tank - Genuine BMW 17132284601

Genuine bmw logoGenuine BMW
SKU #:


Engine Coolant Expansion Tank
OE Numbers:
$120.29 MSRP: $146.99
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