Quote:
Originally Posted by OG Shark
Need to keep in mind the suspension philosophy that BMW went with on these cars - undersprung and overdampened. They run really soft springs to provide better ride quality but then have to use the dampers to help compensate for the lack of spring rate to control the body. This creates the harshness or crashiness a lot of people report with the F87 while also not being the best at controlling the lean. This could be a big part of the issue. Also need to check the alignment and make sure all is sorted properly there.
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In my experience, many stock BMWs are underdamped, particularly on rebound.
Once the dampers are changed to something stiffer, the handling is more or less optimal for the road.
Never had issues with the stock sport springs.