Originally Posted by italyix
Yeah ty, math was never my strong point. Im not saying to run 1200lb in the rear. If one plans to match the rear spring with the front, the equivalent oem location would require a 1200lb spring to match the front, hence why a rear coil over makes sense. Now, will the towers crack? Idk, but GTS runs a rear coil over.
The GTS also has a 4-pt roll bar with the two rear mounts attached to the rear shock towers. The M3 GT4 also comes with a rear coilover setup as well as a full cage...