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Old 09-28-2012, 09:15 AM
phil996 phil996 is offline
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Location: wasshington DC
 
Join Date: Sep 2012
Posts: 5
Mein Auto: '06 750i( E65)
sorry, not just the stem seals , its the valve guides too per my BMW dealer buddy, and they cant be repaired, non repalceable guides. new heads $7000 per US. I EXACT same issue with my 06 750i with 191,000 miles. secondary air next to start clogging up ( thats fun) No way I'll spend $14k parts plus labor to fix. looking for a used motor or a very talented machinist who can repair. have not found one yet.
Rediculous to spend 77,000 US new and have a smoker, Embarrasing and a rip off. Mercedes don't do that !!
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