Professional installation strongly advised!
These don't come with instructions - but there are plenty of guides on this procedure.
This chassis reinforcement kit fits all BMW E46 models. The mounting points on the E46 rear subframes are known for cracking and ripping out over time. This kit welds onto the chassis preventing cracks and expensive damage to your vehicle. All reinforcement plates are laser cut .
This kit comes as seen in the photo, and includes:
1x left rear chassis reinforcement
1x right rear chassis reinforcement
2x forward rear chassis reinforcements
2x subframe cross member spacers
2x trunk patch plates
2x 12mm crossmember spacer installation bolts
Professional installation strongly advised.