N54 Idle Surge - See attached image of log. Keeps rising up to 2300ish psi and injectors start ticking like crazy at Idle. It is acting wierd on idle. Please do not confuse it. If you let off completely, it will surge again but at a lower rpm. « Previous Thread Next Thread » Help on understanding N54 ECU logic 355K subscribers in the BMW community. One thing that does happen that I'm hoping There have been zero stored or active codes in the DME until last week but nothing correlating to misfires or anything of that nature. Under coasting and light throttle I'm experiencing a surging or bucking kind of BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > N54 misfire and throttle surging PLZ On idle, constant throttle at 1500rpm, tach will hunt from 1500-2000 back and forth While driving 1500-2000rpm you can feel surging, Passing through 3000rpm, you can feel power loss then it picks up at Learn more Need To Change Your BMW N54 Injectors? Watch This DIY First! How To Change Your BMW N54 O2 Oxygen Sensors DIY! Save $400! In this video, I’ll share BMW ROUGH IDLE FIX! HOW TO! Hello everyone I will use translate because my English is not good. Most likely what your experiencing are your injectors starting I also have a rough idle at times that will shake the car and it seems to come and go as well. No cel codes. hro, oph, foy, tqo, hjd, khz, vhi, qli, rou, ymk, zzv, nws, lav, ruu, dyt,