I have a 2000 bmw e39 528i with a strange problem even though car is 17 years old it has 131000miles on clock it starts first turn of the key when cold and idles as it should as soon as it reaches normal temperature the Revs drop so low the engine almost stalls and seems like it is running on five cylinders
As car is automatic doesn’t accelerate as it should any ideas please
moved to E39 forum
Shogun tricks and tips for the E32 series are HERE!
Codes?
Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
Have you cleaned the idle air control valve?
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