Steering
The rack and pinion steering unit has been modified from the 2wd. It is constructed with a larger diameter piston.
This is necessary to counter the additional drag of the all-wheel drive system and the wider standard wheels and tires.
The lower steering spindle is different than the 2wd and connects to the steering rack via a double cardan joint.
Turning radius of the E46/16 is 35.8ft, 1.4ft greater than the 2wd.
