Eibach 15-20mm/5-10mm Lowering Springs - BMW 4 Series 435i | 440i | 430d | 435d X-Drive ONLY BF25 CNC machines quick connect fittings

CNC machines quick connect fittings

distinctly different from the stock system

Polyurethane filter which won't deform from heat

Back pressure is lowered and theM6 Gran Coupe benefits from more power throughout the entire range of rpms

CAUTION: can cause Check Engine Light for "inefficient catalytic converter" / "faulty secondary O2 sensor reading" or "Turbo pressure over limit"

Eibach 15-20mm/5-10mm Lowering Springs - BMW 4 Series 435i | 440i | 430d | 435d X-Drive ONLY BF25 CNC machines quick connect fittingsPRO KIT Performance Springs #1 Choice of Automotive Enthusiasts Worldwide! Worlds leading Performance Suspension Spring System Engineered and tested to work perfectly with stock dampers First step towards a complete sport suspension system Lower center of gravity lowers vehicle up to 40 mm Lowering = Traction + Attraction Progressive spring design Performance handling The Eibach Pro Kit is the perfect answer for most popular street cars. Its our