BMW X4 M40i Coilover Suspension Kit - Front + Rear - Dinan - Performance Spring Set (2018-2025). Dinan's front and rear springs sharpen handling and set a confident stance when paired with the recommended components.

Rates about 25% stiffer than stock curb body roll and quicken steering. Ride height drops roughly 22 mm front and rear for improved geometry. Springs are CNC wound from high tensile chrome silicon, shot peened, and preset to prevent sag. You will notice less squat and dive and more grip. Includes two front linear rate and two rear dual rate springs. For the advertised ride height and ride quality, pair with the Dinan Ride Quality and Handling Kit (sold separately).

Features

• Approx. 22 mm drop front and rear
• About 25% spring rate increase
• Front linear and rear dual rate design
• Reduced body roll and sharper response
• CNC wound, shot peened, preset to resist sag

Have questions or need guidance on setup or compatibility? Call our team. We offer installation and customization at our Austin, Texas and Los Angeles, California area locations: 512-982-9393 (TX) and 562-981-6800 (CA). If you are considering multiple items, contact us for possible shipping discounts. We install on premises at both locations.

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