525i, 530i; w/o Active Steering; w/Servotronic; To 9/03, 525i, 530i; w/o Active Steering; w/Servotronic; From 9/03, 545i; w/o Active Steering; w/Servotronic; To 9/03, 545i; w/o Active Steering; w/Servotronic; From 9/03, 645Ci; w/o Active Steering, 525i, 530i; w/Active Steering; From 9/03, 525i, 530i; w/o Active Steering; All, 650i; w/o Active Steering, 550i; w/o Active Steering; To 2/06, 550i; w/o Active Steering; From 2/06, 528i, 535i; w/o Active Steering, 550i; w/o Active Steering, W/O M6, w/o active steering, W/O M5, w/servotronic, w/o AWD, W/O M5, w/servotronic