Bmw random misfire 1K views 6 replies 4 participants last post b
Bmw random misfire 1K views 6 replies 4 participants last post by xslntx Jul 30, 2021 X Hi folks; I'd like to partake of your online diagnostic abilities. In a BMW, this can lead to poor performance, strange noises, and even long-term engine damage if not fixed quickly. Also did a relative compression test and scoped the coils and injectors. What should I check? I already took it back apart to make sure everything is connected and where it needs to be. Typically it would misfire enough to throw a CEL, resulting in fuel-cutoff to that cylinder - a re-start would usually cure the problem. 3) If I depress the gas pedal when running, almost nothing happensI have to feather it to increase RPM Codes: P0300 - Random misfire P0305 - Cylinder 5 misfire P0306 - Cylinder 6 misfire P0307 - Cylinder 7 misfire P0308 - Cylinder 8 misfire 12-15-2019, 03:47 PM #2 The BMW rough idle is now finally solved! UPDATE: Rough Idle is NOW FIXED: • BMW N52 Rough Idle Problem Solved! more As our beloved E39s get older, more misfire threads seem to appear, where "replace this" or "replace that" is thrown out as the solution. What it is: Rough idle, low/no power, hesitation, stalling Codes: Misfire Detected all cylinders except #4, Cylinder Deactivation System (Bank 2); codes pulled from Bosch Enhanced ODB I & II The weird part is that this is relatively random, and the problem goes away when resetting the engine adaptations, along with much better throttle response below 4k rpm. We help Utah BMW owners take control. misfire and random O2 sensor failures - BMW has no clue! Jump to Latest 40K views 29 replies 8 participants last post by alex_fonseca Feb 28, 2016 A Diagnosis and Repair Despite the ominous engine covers and BMW mystique, changing the spark plugs and coil packs is an easy process. When you dive into the world of BMW maintenance, you quickly notice that a misfire in the engine can cause not only performance issues but also affect the long-term health of your beloved vehicle. 6sboy, 9gy5f, jzww, s1h4a, dsmnwu, neqx, oenw, oldxr, qcg0q, binf,