SPL Parts Adjustable Rear Upper Arm Set - 2021-2024 BMW M4 (G82/G83) 440 2019 Audi A4 FWD

2019 Audi A4 FWD

5i (GD/GG) are designed to improve cornering grip and vehicle straight line stability through increased static caster and dynamic negative camber gain

1997 Subaru Legacy GT (BE/BH/BL/BP)

1996 Honda CR-X (EG2/EH6)

1971 Ford Mustang Grande (Fox)

SPL Parts Adjustable Rear Upper Arm Set - 2021-2024 BMW M4 (G82/G83) 440 2019 Audi A4 FWDAdjustable Rear Upper Arms (RUA) for the 2021 2024 BMW M4 (G82 G83) are an absolute necessity to maintain proper rear camber and reduce tire wear on the street and track. The stock BMW setup has an aggressive camber curve through bump travel, which is very apparent on lowered cars. Excess negative camber causes premature tire wear on the inside edge, and reduced traction on acceleration while too little camber will limit rear grip while cornering. Our