What to do if your BMW 3 Series runs but has no power?
Take it to a mechanic and have them test the emissions at the tailpipe, or look under the vehicle and see if the catalytic convertor glows red after driving at highway speeds or for extended periods of time. 52 people found this helpful. Have you checked throttle cable, I had that replaced when it broke and the car then had fullpower.
Why does MY BMW 3 series Smoke on startup?
Although a miss could be related to a full ash tray. And, maybe an off brand oil filter is why the car smokes on startup. Then again, since injectors are built by aliens (100% perfection indefinitely), injectors cannot be the source of any car problems.
Why does MY BMW 3 series glow red after a hard run?
PS. Cats will glow red after a hard highway run NORMALLY. THE EXHAUST MANIFOLD WILL ALSO BE RED. Scope analysis will show if the oxy sensor pre cat response is identical or close to that of post cat. If it is, the cat no longer is capable of storing oxygen to oxidize the excess fuel.
Why does MY BMW 320 have no power?
I had a similar problem with my 320 – It was ok on a cold start but one walm lacked power. I took it to the local dealer and diags showed it had a faulty crank shaft sensor. It cost about £30 but it was well worth it. As other’s have said, get it on a diagnostics machine, so many engine faults are logged there before you notice a problem…
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