E46 factory brake rotor sizes (325i, 330i, M3)

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Which cars does the E46 factory brake rotor sizes (325i, 330i, M3) fit?

E46 2001-2004: specification (Confirmed).

Last verified 2026-10-26

Category: brakes · Brand: BMW (OEM) · Comes from: BMW 3 Series (E46, 1999-2006)

VehicleYearsResultConfidence
BMW 3 Series (E46, 1999-2006)2001-2004Factory spec SpecificationConfirmed

Key specs

Short answers by generation

What is the factory spec for the E46 factory brake rotor sizes (325i, 330i, M3) on a BMW 3 Series (E46, 1999-2006)?

Factory spec Factory specification (Confirmed, 2 sources; applies to: 325i/325xi and 330i/330xi (2004 brochure); 330 and M3 (2001 M3 release); 1999-2000 323i/328i not covered). BMW's 2004 brochure gives vented discs of 11.8 in front / 11.6 in rear on the 325i and xi, and 12.8 / 12.6 in on the 330i and xi. Full answer and sources

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