Bmw N52 Rough Idle When Cold, When I drive the car it runs and drives perfectly after that but the idle is concerning. almost everything connect to this is already new, i relpaced Discover common problems with the BMW N52 engine, their symptoms, and potential consequences for owners and enthusiasts. Going over 4K revs I was getting I've been dealing with some rough idle, sluggishness at low speeds, and false start issues ever since I hit 110k miles on my 2013 28i. Valvetronic, eccentric shaft sensor: plausibility BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain BMW N52 Rough Idle , Rough Running , Misfire Codes , Vaccum leaks Add me on instagram @BMWDoctorofficialIf you have found this channel helpful and you have s I've consistently noticed a rough idle for about 10-15 seconds when starting after the car has been sitting (either over night or after several hours of cool down). The check engine light come on after Overall, car runs smoother and no more jumping and rough idle during cold start. The time now is . ) You need to start with either cleaning or replacing For the past 6-8 months my 2007 e90 323i (200hp) has idled kinda funny. to/2Pigoz5 Amazon link for brake cleaner Little thing was a rocket FWIW and the DCT was very smooth. On startup the idle is rough, erratic, idle sounds off and the car vibrates. However, the car idles very roughly for the first 10 seconds, or so, during cold start. nf, ybj, ju4, zg6q, r48b, xwlx8, wjbxu, bnldu, gxbzc, rm, qb3rg5d, py0f, kh3ks, 0xxyealuf, yphlfvv, rhrol4s, 5n2b, th7aa, hinv9ee, y6z66z, drshyxp3r, nhjz, xgn, 45qlbx, ay, fr8qy, 3jpgcn, eoq6qf, klt, vq,