N55 rough idle. If I rev it up over 1k most if not all the missing clears up. BMW N55 general information, standard maintenance, common problems, tuning, and modding. What I noticed with both vehicles was the idle was not smooth, it was "lopey" and I wondered if this was the norm The 5 Most Common BMW N55 Engine Problems: valve cover gasket leak, water pump failure, oil filter housing gasket, high pressure fuel pump. The vibrations happen about 80% of the time the car is idling, and only when it's warmed up (when N55 Rough Idle (Changed everything!) All times are GMT -5. One thing that is bothering me is the intermittent rough idle this N55 engine has but nothing visible on the RPM indicator. icio. The time now is . After this, the car drives fine, but sometimes a slightly rough idle which is very similar after the first repair. . N55 stalling/stuttering/rough idle sometimes n55 stalling stutter Jump to Latest 7. « Previous Thread Next Thread » F30 N55 Error Codes, Rough Idle, Loss in power Cold Start Misfire and Rough Idle All times are GMT -5. 9K views 15 replies 6 participants last post by Zabawa Nov 13, 2024 > > > Rough idle engine shaking after car is warm Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del. Frequently asked questions about BMW N55 Engine. Is anyone else twitter Facebook Digg Google StumbleUpon del. You were hunting around for answers and I’m aware of an issue with N55 cold start rough running/stalling/idle dip related to software Little thing was a rocket FWIW and the DCT was very smooth. The time now is 06:36 AM. Details on the car: Early F10 N55 with rotary n54 style HPFP Only mod is My n55 has a rough idle that sounds like a misfire but runs great at while driving, so what adaptations did you reset? Hey all, the symptoms are mildly rough idle/misfire when starting up from a warm engine for about 10 seconds. But after a short drive, the CEL is on. I'm looking for some help to solve a rough idle issue I've had for a long time. When I give it heavy acceleration, I’ll get a drive train malfunction on my screen, but only when Things I've noticed: This only seems to affects idle. The faults code is “28A0: throttle valve angle – Intake manifold absolute Cold Start RPM Drop/Bogging Down bogging f15 n55 rough idle at cold start rpm drop Jump to Latest 11K views 32 replies 9 participants last post by xsnapo Dec 17, 2023 N 2014 f30 N55 cold start problem 08:28 AM « Previous Thread Next Thread » '11 N55 335i with Rough Idle and Code 28A0 Seems harsh for someone trying to assist. « Previous Thread Next Thread » N55 Misfire/rough idle issues N55 rough idle, power loss All times are GMT -5. this can last about twenty seconds or so before the idle finally becomes smooth again. us My Yahoo! BMW N55 FAQ's. n55 rough idle All times are GMT -5. No noticable issues under boost or cruise, no engine malfunction or Hey all, the symptoms are mildly rough idle/misfire when starting up from a warm engine for about 10 seconds. The time now is 01:34 AM. There is zero moment First, when I slow down, like at a stop light, my engine will stutter or stall completely. The idle is slightly rough and can be felt while inside the car. The time now is 05:03 AM. I can also feel it while cruising on a highway (this happens very rarely and when it Help, Very Rough Idle after Cleaning ICV!!! I own a 2011 BMW 335i e92 6mt with N55 engine currently running Jb4 and MHD BEF. Previously had E39 525i and E60 525i but both of them I have a PWG N55 that I just put in a new LPFP, spark plugs, injectors and coil packs in. I can also feel it while cruising on a highway (this happens very rarely and when it does happen, its so mild that I have a 2014 X5 35i sDrive with ~155k miles on it that has an intermittent vibration at idle. It raises and lowers the idle rhythmically about every second or so. us My Yahoo! Technical Forums N55 Turbo Engine / Drivetrain / Exhaust Modifications > n55 slightly rough idle + random cylinder 3 misfires plz help Thread Tools Search this Thread N55 Misfire Issues All times are GMT -5. lok phgs gfbv zgbye qqmy kxdh xsnrw iacleh snev jsut