Quote:
Originally Posted by Karmic Man
Could be caused by the increasing of carbon build up in the engine.
Do a walnut blasting on the intake valves.
My car used to do this but after a walnut blasting it never does it anymore.
If your car has over 30K miles I highly recommend you look into it.
In other instances it can also possibly be caused by fouled spark plugs as well.
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thanks buddy, BMW pulled the plugs and advised that burn was good. Car has 35K kms so not many, but maybe the short drives add to a rapid build up, may look into this.