Rear Axle: Notes

The E83 is fitted with a central rear axle and subframe. The design of the rear axle is similar to the E46/16. Two tension arms have been added to the rear axle of the E83 and are secured to the bodyshell.

Mechanical Components 

Fig 1: Identifying Rear Axle Mechanical Components

Courtesy of BMW OF NORTH AMERICA, INC.

Modifications to the E46/16 rear axle to adapt it to the E83:

• Anti-roll bar secured to the rear axle carrier by clamps.
• Front of rear axle carrier suspension converted to special bolts with additional thrust washer.
• Thrust brace and tension arms.
• Surface of control arms are galvanized steel plates.
• Anti-roll bar link with ball joint attached directly to the control arm.
• Dampers with three point flange (bolt) plate.