HARDRACE BMW 3 Series F30/F20 Adjustable Rear Trailing Arm (Pillow Ball) - 7437 340i (F30/F31/F34)(S) making it an ideal choice

making it an ideal choice for enthusiasts who demand both quality and drivability

Upgrade your BMW’s breathing with the Ramair Performance Foam Replacement Air Filter for the G30 520i and other compatible G-Series models

Enhance the braking performance of your BMW E46 with the professionally engineered E46 Brake Cooling Kit

A huge benefit of running an ABS front lip is that the material offers some flexibility and is less likely to crack if scraped

designed to improve your vehicle’s aerodynamics while adding a sharp

HARDRACE BMW 3 Series F30/F20 Adjustable Rear Trailing Arm (Pillow Ball) - 7437 340i (F30/F31/F34)(S) making it an ideal choiceThe HARDRACE Adjustable Rear Trailing Arm (Pillow Ball) (part no. 7437) is a direct fit, performance upgrade over the OEM part for the BMW 3 Series (F30) and BMW 1 Series (F20). Precision engineered to tighten suspension geometry, sharpen steering response and improve durability under hard road and track use. Featuring pillow ball (spherical bearing) construction, it offers precise articulation, minimal deflection under load, and consistent geometry