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Old 09-20-2011, 02:07 AM   #11
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Join Date: Jun 2005
Location: florida
Posts: 2,196
My Ride: m5xual
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Originally Posted by Bdave View Post
I have an early HPF built motor. Did they bother to upgrade the Vanos at all when they did/do the rebuild. You would think at least the o rings wouldnt you?
the head and everything on it is left stock. HPF builds the bottom end to take boost, vanos maintenance has nothing to do with boost or power. I mean, very easily you could 'might as well' yourself to thousands of dollars of expenditures in little things like that on a motor... and i've definitely have been down that road a few times, and it's usually unnecessary.. but aren't inconel valves and ti retainers cool?

01 330cit-92 s13c-99 328i/5-04 x5/6
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