Hardrace - FRONT LOWER ARM FRONT BMW, 1 SERIES, 3 SERIES, Z4, E89, E8X, E9X 4WD_Dump Pipes Secondary 1"7/8

Secondary 1"7/8

If a crack starts to form in a high silicon piston it will continue until the piston experiences a catastrophic failure

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7 L) 90mm De-stroked Full Counterweight Crankshaft

Hardrace - FRONT LOWER ARM FRONT BMW, 1 SERIES, 3 SERIES, Z4, E89, E8X, E9X 4WD_Dump Pipes Secondary 1"7/8The Front lower arm made of HARDENED steel and compound with superior quality bushing. A good control arm can regulate the movement of wheels quickly each time you turn or corner. . Forged Aluminum for the highest quality . Equipped with premium quality bushings . Superior strength and durability . OEM direct replacement . Dramatically improving handling performance