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7 Series - E65 / E66 (2002 - 2008)
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Old 02-23-2014, 11:46 PM
Romey-Rome Romey-Rome is offline
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Location: Seattle
Join Date: Dec 2013
Posts: 56
Mein Auto: 750li
Valve Stem Seals - AGA vs Head Pull

So I have 2 quotes from 2 highly ranked local shops in Seattle.

$2200 with an AGA kit (will be his first time run on the kit, but I'm 100% OK with that)
$3500 with a head pull, and heads sent to a machine shop.

Cost aside, any benefit to pulling the heads? (110k)

I mean you get a new head gasket & timing, but I guess that could also be a risk & introduce other issues down the line. I presume a machine shop would clean the heads & valves as well, but I may be assuming too much here. As far as I understand, the bottom half is pretty solid, and should never have to mess with it really.
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Old 02-24-2014, 05:07 PM
MOPAULY's Avatar
Officially Welcomed to the 'Fest
Location: Spring Mount, PA
Join Date: Sep 2010
Posts: 1,598
Mein Auto: Many things
Don't do more work than you need to - I'd just go for the valve seals, and timing cover if they are leaking there.
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