Slightly related but rather then dredge up an older thread or start a new one this may be the right place to start.

I have an '08 e70 that just started leaving stains in the garage. Dealership looked at it looks to be the valve body seal is leaking. It's a CPO vehicle so I don't know what the first 42k of it's life was like but I'm appalled that I'm replacing seals at 50k. Has anyone else had a similar instance? I didn't see any on a search other than for the e53's.

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'08 E70 3.0
'98 E36 M3 Convertible