Originally Posted by 09BMW335i
So i just added catless Downpipe and i now keep getting error codes.
I clear them and they return is this normal?
I didnt write them down but they all reference exhaust issues
You need to add a downpipe fix . Search for BMS downpipe fix
2007 E92 6MT SGM: MusicarNW Level 2, Procede Rev 2.5, FFTEC/Vishnu LPFP with Flexfuel Sensor and Flash, M3 Offset V701's, WaveTrac LSD, Michelin PSS, Downpipes, M3 Control Arms, TCKline D/A Suspension, LCI Tail lights, Lux AE's, ER Charge Pipe, DCI's, Mtech Front and Rear, M3 Sideskirts, HPF Stage 1 Clutch