E46Fanatics - View Single Post - Head reworking by discovery automotive
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Old 09-07-2006, 09:46 AM   #2
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Join Date: Nov 2004
Location: Boston
Posts: 102
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Originally Posted by jacques chirac View Post
The guys at discovery seem to have pretty good skills in upgrading M3 engine's head for FI.Is this work (bigger valves,P&P ,cams) realy effective in comparison of bolt on kits?

We will find out soon ..

...and to answer you question i beleive it is or I would not have had them do this work to my car.
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