Originally Posted by Autobahn335i
I would install one part at a time to minimize potential issues with either upgrade. And to be able to provide a first-ever review of the benefits of the stage 3 head!
Ditto!i wod like a review of e tags 3 head to...I havea ported head but not a stage 3.
JB4 G5, 455 LPFP, HFS-4 meth kit, BMS OCC, Motiv 750 ST, RB valve, BMS DCI, 3" AR Dps, Custom OC W/ SS lines, ER FMIC, ER CP W/HKS BOV, M3 control arms, M3 guide rods, M3 upper links, M3 front & rear sway-bars, HPA rear toe arms, Wavetrac LSD, HPF Gen 2 exhaust DEFIV kit, KW clubsport, Delrin solid subframe bushings, stoptech rotors, Rogue Tranny Mounts, 1M bumper, M3 CF hood, MORR VS8.2 rims 245/295