Originally Posted by ign335i
Anyway you could try and dig up the PN? When you say a little bit fatter, is that around 1/16" in cross sectional diameter or not even that much?
I can do that. I have my stock CP to dig out the o-ring and take a measurement. The factory ring is an odd-sized metric and I think there was a regular metric ring that was a tiny bit fatter.
E92 335i/6MT Dinan Stage 3: intercooler, oil cooler, intake, flash, exhaust, LW dual-mass flywheel.
Vishnu PWM methanol custom trunk mount, Diffsonline 3-clutch Salisbury custom diff, Ohlins Road and Track coilovers, Vorshlag camber plates, much more...
E28 M5 w/ buncha stuff, R171 SLK350