Dinan's Performance Spring Set replaces the factory coils on the G42 M240i xDrive with two front dual rate springs and two rear linear rate springs, calibrated for a 24% increase in stiffness front and rear. The set lowers the car 7/8 inch (22mm) at both ends for improved suspension geometry and a more aggressive stance, while staying compatible with the factory electronic Adaptive M Suspension. Each spring is CNC wound from high tensile chrome silicon wire and shot-peened for stress relief, then preset to prevent sag, reducing body roll and sharpening steering response. The Ride Quality and Handling Kit is sold separately.
Specifications
| Type | Performance lowering spring set |
| Quantity | Set of 4 (2 front dual rate, 2 rear linear rate) |
| Material | CNC-wound chrome silicon steel wire, shot-peened |
| Spring Rate | +24% front and rear |
| Drop Height | 7/8" (22mm) front and rear |
| Shock Compatibility | Factory electronic Adaptive M Suspension |
| Part Number | D100-0939 |
Documents: Installation Instructions (PDF) | Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022-2026 | BMW | M240i xDrive | Base |
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