DeutschTuning proudly offers Fall-Line Rear Upper Control Arm Set BMW F80 M3/F82 M4. From years of competitive race experience, Fall-Line has become synonymous with producing not only championship caliber race cars, but the finest suspension components that help propel them to victory. As the final piece within Fall-Line's suite of rear suspension offerings for the F8X M3 / M4, these upper wishbones boast two major benefits: replace the OEM rubber bushings with spherical units and add valuable adjustability versus the standard, fixed arm. The new adjustment capabilities allow ultra fine tuning within the full suspension suite the more consistent suspension geometry, amongst other benefits, results in significantly improved performance and confidence in all driving conditions. The F8X cars will notice an immediate difference due to its unique subframe and chassis relationship torsional rigidity is further improved with the addition of these arms with only marginal increases in NVH. As an added benefit, the spherical bearings will outlast the OEM rubber variants, saving the headache of repeated replacement over your ownership.
 
Motorsport clamp-style fastener for faster, more reliable alignment adjustments.
Long-life FK spherical bearings.
Made in USA