Audi Repair Questions? Ask a Mechanic for Answers ASAP
Typically white smoke is indicative of coolant burning off- usually a sign of a blown head gasket. The other issues may have just been symptoms of this impending failure.
It looked like you had another (duplicate) question that indicates that they are saying you need a turbo, coils, etc?
2008 audi A4 convertible - the soft top does not close.