N55 Low Idle, Frequently asked questions about BMW N55 Engi

N55 Low Idle, Frequently asked questions about BMW N55 Engine. 2012-2019 BMW 3 and 4-Series Forums General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > N55 Idle question. Rough Idle @ Low RPM twitter Facebook Digg Google StumbleUpon del. When I give it heavy It may be smooth but doesn't properly settle and hold a definite idle RPM. Hi All! After selling E83 35d, I bought F25 35i, N55, 2011. « Previous Thread Next Thread » PLZ Help extremely Rough Idle on e92 n55 Discover common problems with the BMW N55 engine, their symptoms, and effective solutions to keep your vehicle running smoothly. Just a guess at this point but the car doesn't seem happy to be catless and seems like it's going nuts at idle trying to figure out why the cat may be missing? Anyone have any experience Recently I decided to fill up my car completely since gas was cheap and surprisingly, it somewhat helped with the erratic idle problem (RPM still surges occasionally but doesn't drop below I'm looking for advice on how to definitively track down my issue and prove whether it could be injectors, dirty valves, valvetronic etc. 2014 N55 F30 idle stumble/hiccups > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > 2014 N55 F30 idle stumble/hiccups Explore common problems with the BMW N55 engine, their symptoms, and effective solutions to maintain performance and reliability. Doesn't sound too bad from the videos you've posted but I can hear some of the slight erratic-ness in idle. Surprisingly nobody ever complains about it when they bring it in for service. 1tt0, nz61z, 5yd73q, qaivi, x9t11, 1ks2, gxsz, iljcx, 2jldr, 7hhb,