Precision Sport Industries (PSI) has prepared a tuning package for the BMW M4. The interior of the car features carbon bucket seats and Sabelt six-point seat belts, while at the back there is a roll cage.
The car is equipped with large Brembo brakes with disc diameter 380mm, spoiler and diffuser from the pack of Vorsteiner, new 19 inch wheels, lower mounts and a reprogrammed ECU. The horsepower of the car was not announced, but it will be announced at the presentation of the car at SEMA.
