Dinan 11-16 BMW 550i xDrive Coil Spring Set | BMW 550i (11-16) (D100-0902) YMM_1989_1994_Nissan_240SX_I_S13 the cushion's materials resist wear

the cushion's materials resist wear and fading

Installation involves replacing the factory headers with these CNC mandrel-bent units

and handling by providing a more direct power transfer

reducing body lean

Dinan 11-16 BMW 550i xDrive Coil Spring Set | BMW 550i (11-16) (D100-0902) YMM_1989_1994_Nissan_240SX_I_S13 the cushion's materials resist wearThe Dinan 11 16 BMW 550i xDrive Coil Spring Set is a performance upgrade designed to enhance handling and stance. Crafted with carefully calibrated spring rates, these springs provide greater control over body roll, resulting in improved stability during aggressive driving. The springs are CNC wound using high tensile chrome silicon wire and shot peened for stress relief, ensuring durability and a long service life. By increasing spring stiffness, the