XYZ Racing Racing Spec Coilovers — BMW 4 SERIES G82 M4 (Modified Rear Integrated) 2021-2026

The G82 M4’s S58 twin-turbo six puts down enough torque that the standard rear subframe integration has to work hard just to keep the axle located under power – and that’s before you add a circuit’s worth of camber change and lateral load. XYZ Racing’s Racing Spec coilover is built for that exact demand: a dedicated track damper, not a stiffened road unit wearing a track badge.

For an M4 that’s booked in for track days or genuine time-attack sessions rather than the odd spirited B-road run, this is the kit that treats the G82’s weight transfer and rear-end squat as a data problem to be solved lap by lap, not smoothed over with a soft compromise spring rate.

What this coilover does for your 2021-2026 Bmw 4 Series G82 M4 (modified Rr Integrated)

Fitted to the G82, the Racing Spec kit sharpens the car’s turn-in response and keeps the rear axle settled through the direction changes that expose the standard suspension’s road-biased damping. The M4’s nose-heavy front end, loaded further by the S58 and its intercooling hardware, benefits from the kit’s ability to hold a consistent ride height under braking rather than diving and unsettling the platform mid-corner. With the modified rear subframe integration this fitment specifies, the damper’s valving is matched to how that rear end actually moves under load, rather than fighting the geometry change. The result on track is a car that changes direction with less delay between input and response, and rear-end grip that stays predictable as tyre temperatures build across a session.

About the Racing Spec coilover

XYZ Racing developed the Racing Spec line directly from its involvement in circuit racing, including WTCC competition, so the damping settings here come from data logged in actual races rather than a desk exercise. Where a car has already had aggressive supporting modifications – bigger brakes, different bushing, altered geometry – XYZ Racing can build a custom-valved shock absorber around that specific setup and the circuit it will be run on, which is the same bespoke process used for factory and A-class racing cars. To take advantage of that, owners are asked to detail exactly what else has been changed on the car and where it’s going to be driven, and the damper is built to match. It’s a construction philosophy aimed squarely at cars that will see repeated hard circuit use, not a one-size-fits-all track spring kit dressed up with a race name.

Fitment for the Bmw 4 Series G82 M4 (Modified Rr Integrated) (2021-2026)

This kit is built for the G82-generation BMW 4 Series M4, chassis code BM118-1, across the 2021-2026 model years, specifically for cars with the modified rear subframe integration. Confirm your car matches this rear-end specification before ordering, as the damper valving is set for that configuration rather than the standard subframe mounting.

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Spec your BM118-1 fitment and configure the Racing Spec Racing Spec coilover for your G82 M4 below.