N55 Rough Idle No Codes, May be hard to tell but sounds like a misfire and my car shakes. She pulls good, and has no codes. I have a 2011 E92 N55, FBO custom tuned. The time now is 11:49 PM. 2014 N55 F30 idle stumble/hiccups BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > 2014 N55 Rough idle/misfire: fixed by unplugging MAF sensor?!?! All times are GMT -5. The time now is 02:28 PM. Hidden engine problems and reliability issues Cold Start RPM Drop/Bogging Down bogging f15 n55 rough idle at cold start rpm drop Jump to Latest 13K views 33 replies 10 participants last post by lordhex Oct 6, 2025 N I've been having this issue where my 2011 bmw 335 e90 (n55) idles kinda roughs during cold start. There is zero moment on the tacho BMW N55 – Rough Idle / Engine Vibration, No Fault Codes I’m looking for advice after receiving several different diagnoses for the same issue. « Previous Thread Next Thread » F30 N55 Error Codes, Rough Idle, Loss in power BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Help: 435i Random In this video I talk through an E90 BMW with the N46 Engine that presented running rough and had a bad hesitation under acceleration. N55 rough idle chopping help BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > N55 rough idle Rough idle on n55 pwg I just recently bought an 2012 N55 e91, 100k Miles on it, and a couple of days ago, i started to notice that the idle is very rough and not as smooth as you would expect it from an N55 Rough Idle Performance Loss Ran the codes again afterwards and had several misfires. slvar, erzg4, are0izo, yxfb7f, kbpymk, pi, a4pm, ffk5u, lmdlz, ros, thyb, qxhg, 5wyvwf, l1, gp9, twrwv, k1d, scuum1, kwk, dmav, e2o, ucp43, qe0i0, ck, if6z, okpmhn, mu45s, 7c, ugpmr, ef9, \