BMW M140I (F20 & F21) Suspension
Explore BMW M140i F20/F21 suspension, including coilovers, lowering springs, top mounts, rear arms and supporting chassis components for fast-road and track-day builds. Match parts to the actual drivetrain and factory suspension equipment.Nitron R1 versus R3The M140i F20/F21 NTR R1 application links compression and rebound through one adjuster. The matching NTR R3 kit provides independent rebound and high-/low-speed compression controls.Confirm spring...
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Explore BMW M140i F20/F21 suspension, including coilovers, lowering springs, top mounts, rear arms and supporting chassis components for fast-road and track-day builds. Match parts to the actual drivetrain and factory suspension equipment.
Nitron R1 versus R3
The M140i F20/F21 NTR R1 application links compression and rebound through one adjuster. The matching NTR R3 kit provides independent rebound and high-/low-speed compression controls.
Confirm spring specification, rear layout, supplied mounts and any adaptive-damper integration or cancellation requirements before ordering. Do not assume all xDrive or modified-suspension cars use the same build.
Geometry hardware and compatibility
Existing rear-geometry options include Hardrace 7434 camber arms and Hardrace 7436 toe arms. These links identify vehicle-category products, not a confirmed package with every Nitron damper. Have the exact arm, damper and mounting combination checked before fitting.
Browse camber arms and toe arms for other listed options. Any adjustable drop link must match the required length, thread and travel clearance.
Complete the setup
Ride height, available travel, tyres and alignment all affect the result. Use professional fitting and measured geometry rather than copying another car's settings. View the Nitron application directory and confirm build timing before booking installation.