My bmw 316ti is revving up when sitting idle and is slow in reacting to the accelarator being pressed?

Question

My bmw 316ti is revving up when sitting idle and is slow in reacting to the accelarator being pressed?

Answer 1

Air getting into induction tract without passing through air sensor.Think this model has heated wire sensor fitted.Check for cracked or split vacuum pipes ,induction manifold trunking split or induction manifold gasket or O rings split

Answer 2

needs a tuneup!

Answer 3

dont know about bmw's but had a honda that idled hi inpark and it was the air intake gasket you can check it buy spraying carb cleaner at the gasket while the cars runing it should idle normal while your spraying the carb cleaner at it . as for the taking off slow part the timing could be off or you could have a clog catalic converter.

Answer 4

Take it to a dealer or specialist for a check up, someone who has good diagnostic software.