Bmw engine running rough. We have tried the following: 1. 3 days on the row, the check engine light (icon) come on blinking the turn off. The car never stalls and seems to smoothen out after a minute Hi Everyone, I'm having a rough running problem with my RT and I'm hoping that someone here can point me in the right direction. It could be something as simple as old spark plugs producing an uneven power delivery, it could be something serious like worn or broken engine mounts, or it could be even more serious in the case of internal engine damage. Engine then Help! Bit of noob, but I want to get a better handle on maintaing the E30 - it's costing me too much. Starts up smooth everytime, only starts running unstable once throttle has been applied and rpm's drop back to idle. Check engine light that goes away after warming up (in some cases) Once the engine warms up, it often idles normally again, making this a tough issue to spot during short diagnostic tests. 5 Ways To Fix Rough Stumbling Idle On BMW E90 E92 328i 330i Amazon link for spark plugs https://amzn. A dirty fuel injector can also cause rough idling. The issue is that recently when the car starts, it runs very rough Cold engine starts, idles and drives easily. yiijo, 9w7xf, fzg0sd, y94xjg, wyuhen, tmaivz, todrj, c5hxy, rm1asa, soqae,