Dinan Performance Lowering Spring Set - BMW G20/G22 2019-2026

Dinan's Performance Spring Set uses carefully calibrated rates to reduce body roll and lower the car for improved suspension geometry and a more aggressive stance. Each spring is CNC wound from high tensile chrome silicon wire, shot-peened for stress relief, and preset to prevent sag. Front stiffness increases by up to 95% and rear by up to 92% on the 330i depending on stock configuration, while the M340i and M440i xDrive receive targeted rear rate increases of 10 to 23%. The set drops ride height by roughly 5/8 to 1-1/8 inch depending on model and stays compatible with both conventional and factory electronic shocks.

Specifications

Documents: Installation Instructions (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy