Quote:
Originally Posted by Newguy123
i parted out my car a little while back b/c of a bad ticket i received...i left the PS2 turbo on my car and drove it stock for quite some time and recently came up on a good deal for a chargepipe and ended up buying my old jb4 back from a friend i sold it to who traded his car in. so the only mods on my car are JB4 with a "ramp up" boost curve charge pipe and PS2 turbo ALL ELSE STOCK! im running no more then 15.5 psi at redline with e30 in the tank and my car is still a fucking rocket. no misfires dct isnt slipping(i will buy a cobb for BEF if it starts) i posted a speedo video on flat ground a few nights ago on the 135i facebook page if anyone wants to check it out. 30-120 mph its incredible how fast it is with these simple mods and not even 16psi peak if i had to guess its making over 400whp at redline. im running the newest 5.10 hex firmware on jb4 with the 6 cyl logging and i had a few weird dips in timing where all cylinders went to 0 then back up during a 3rd gear log but otherwise all looks pretty damn good. i dont think the stock dp is a huge restriction on these cars for lower boost runs
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I was wondering why you sold most of your parts. I was pretty happy when I ran map 2 with the new turbo. When I turned the boost up to 20 I was a little shocked. The car is walking a little bit which can be scary at higher speeds.