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Old 08-15-2012, 09:35 PM   #25
HPF Chris
Past Site Sponsor
Join Date: Feb 2006
Location: Portland, OR
Posts: 3,684
My Ride: 2002 M3, 2006 530i
Originally Posted by 7to3_enthusiast View Post
nice. subscribed. Chris, do you recommend the ARP stud kits for all stage 1 and 2 kits? That's the only issue I've seen with those kits are the heads lifting.
Less than 5% of the stage 1 and 2's have a problem due to factory head bolts stretching. The Vanos must come out to replace them and if you don't do them one at a time, you will have to remove the entire head and replace the head gasket. If you do that, might as well go built motor. If it was me, I'd run our stage 1 and 2 with the bolts that are in the motor. Then if I lift the head I'd go stage 2.5. But that would be if I could afford to go built motor. But if I could afford to go built motor, I'd go straight to 2.5, 2.75, 3 or 4 from the get go.

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