Quote:
Originally Posted by 10511555
Dear all,
Do you used BMW diesel additive at your 520D or 530D? if yes how often you will put it into your fuel tank.
BMW technician told us they use this diesel additive often for customer complain of engine noise.....
any comment?
best regards,
Stanley
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What is your fuel quality like?
Over here in the UK many diesel drivers use a premium diesel, for the benefits of the 'additive package'. Helps keep the engine cleaner, both the injection components and helps reduce carbon deposits. Used regularly you shouldn't really need separate additives.
BMW's own additive is obviously approved to use in current diesels. There are other products to choose from over here, some added every tank, others designed more for every few months, or every few thousand miles.
Personal experience, the premium fuels can help engine noise, my own diesel running quieter on premium fuel.
My 535i, injectors developed a bit of a tick. Used BMW's petrol additive in a tank of fuel, quietened the injectors. Still quiet several thousand miles later.