Hardrace - REAR FRONT LOWER ARM BMW, 2 SERIES, 3 SERIES, 4 SERIES, F80 M3 14-PRESENT, F82 M4, F87 M2 14-PRESENT Brakes & Suspension_Steering & Wheel Alingment and provide the maximum output

and provide the maximum output under engine acceleration

BF and FG 6 Cylinder Ross Racing forged pistons and spool conrods

Closed Loop Idle Speed Control with learning for consistent idle stability

Plug: USCAR

Hardrace - REAR FRONT LOWER ARM BMW, 2 SERIES, 3 SERIES, 4 SERIES, F80 M3 14-PRESENT, F82 M4, F87 M2 14-PRESENT Brakes & Suspension_Steering & Wheel Alingment and provide the maximum outputRear lower arm made of unique high density steel, provide excellent stability during high speed driving or hard cornering. . Made with high quality ultra strong steel . process and painting for the highest durability . Equipped with premium quality bushings . Superior strength and durability