Used BMW 6 Series Rear Cross Member

The BMW 6 Series has run in two modern generations: the E63/E64 (2003–2010) and the F06/F12/F13 (2011–2018). Parts from within each generation are the most likely candidates for interchange, but you should never assume a cross member from one generation fits another — the platform and underbody architecture changed completely between them. Always quote your exact registration to the breaker so they can confirm the correct part.

Both the 2005 and 2007 cars sit within the E63/E64 generation (2003–2010), so they share the same basic platform and the cross member is a strong candidate for interchange. However, BMW did introduce mid-generation pressing and engineering revisions that aren't always publicly documented, so confirm with the breaker against both registrations before buying. Within the same generation and body style this is generally a straightforward match, but the breaker is best placed to verify.

No — the E63/E64 generation (2003–2010) and the F12/F13/F06 generation (2011–2018) are entirely different platforms with different floorpan geometry, so the rear cross member will not interchange between them. Always source a cross member from within the correct generation for your car. Confirm the part against your registration with the breaker to be certain.

Yes, body style matters significantly for a rear cross member. The F13 coupe, F12 convertible, and F06 Gran Coupe all sit on the same generation platform but have different rear body and underbody structures, meaning their cross members are not necessarily interchangeable. Always tell the breaker your exact body style as well as your registration when requesting a quote.

Trim level — whether SE, Sport, Luxury, or M Sport — does not affect which rear cross member you need, as the underbody structure is the same across trims on the same platform and body style. You may find cosmetically different underbody finishing or brackets related to different exhaust or suspension options on M Sport models, so mention your trim to the breaker in case there are any associated bracket differences. The core cross member fitment is driven by generation and body style, not trim.

No — engine choice has no bearing on rear cross member fitment for the 6 Series. The rear underbody structure is determined by generation (E63/E64 or F12/F13/F06) and body style, so a cross member from a diesel car will fit a petrol car of the same generation and body style, and vice versa. Focus your search on matching generation and body style, and confirm against your registration with the breaker.