Dinan 11-16 BMW 550i xDrive Coil Spring Set | BMW 550i (11-16) (D100-0902) YMM_1999_2006_Toyota_Celica_VII_T230 with precise machining to ensure

with precise machining to ensure smooth engagement and disengagement

Adjustable spring options allow for precise tuning of boost thresholds and response characteristics

The kit includes the large air filter and all necessary hardware for a complete installation

S kit allow a continuous adjustable ride height within a tested range

Double Sprung Hub: This design enhances smooth engagement and reduces chatter

Dinan 11-16 BMW 550i xDrive Coil Spring Set | BMW 550i (11-16) (D100-0902) YMM_1999_2006_Toyota_Celica_VII_T230 with precise machining to ensureThe 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