Hartge has recently released an engine conversion kit for the BMW 550i and its xDrive model.
The conversion has helped the car to increase the performance. The output has increased to around 480 hp from the existing 407 hp which is an increase of around 15%. If this was not enough, the acceleration of the car has also improved by around four seconds to go upto 200 kmph.
The maximum torque has also been increased from 600 Nm to 690 Nm.
We will have to say that the tuners have done an amazing job with the car and this will surely create a lot of excitement among the car enthusiasts and everyone would love that extra bit of speed for driving. Have a look at picture gallery.