There is a humming noise from the rear of my BMW 318Ti at around 2000rpm, which disappears at around 3000rpm. I suspect the rear diff and have changed the oil, but it makes no difference. I also checked the rear wheel bearings and they seem fine.
BMW 318i e46 engine 1998cc. Gearbox does not seem to engage fully when engine is cold in the...
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BMW 318i e46 engine 1998cc. Gearbox does not seem to engage fully when engine is cold in the mornings. Car only moves forward very slowly and only becomes normal after about one to two minutes of engine revving.