Hello I have a problem with the engine torque at rpm 1500- 2500 Just . Engine torque is slightly reduced. But after the rpm rises to 3000 and above, the torque returns to normal. checked. fuel pump . Change the fuel filter. air filter. Cleaning the air sensor, idle, sprayer and throttle sensor. The rpm counter is unstable on the idle and the car is just overheated. Engine bmw m50 b20
