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17112283344 - URO Coolant Expansion Tank - BMW E46 M3

URO Coolant Expansion Tank - BMW E46 M3

URO

T#: 48608189 | Part#: 17112283344

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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$155.99

Availability:

In Stock

Est. Ship Date:

on Jun 8, 2026

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Heavy Duty Aluminum Expansion Tank Kit - E46 M3 S54

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E46 M3 Heavy Duty Aluminum Expansion Tank Kit

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$425.99

$362.09

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Genuine BMW Coolant Expansion Tank - E46 M3

In Stock

$ 199.98 USD

7% off MSRP

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

~~$ 215.23~~

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Product Details

This radiator coolant reservoir/expansion tank for E46 M3 is a common failure item as the plastic weakens and cracks, eventually causing coolant leaks.

If your E46 M3 has over 80k miles and has the original expansion tank, we highly recommend replacing it during your next major service.

Guaranteed fitment
Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
Quality materials resist engine heat and harsh cooling system environment
Factory pressure-tested
24 Month Unlimited Mileage Warranty

Prop 65 Warning

Cross Reference

17112283344
17112228944
URO-018273

Product Q&A

Lifetime Replacement

This product is not eligible for Lifetime Replacement

Fits These Cars

MAKE	MODEL	SUBMODEL	ENGINE	Special Fitment Notes
BMW	E46	M3	S54 3.2L	Use vehicle selector to confirm fitment

*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.