XYZ Racing Circuit Master Coilovers — BMW 4 SERIES G22 (2WD/4WD) 4/6CYL 2020-2026

The G22 4 Series carries CLAR-platform mass into every corner, and in xDrive guise that mass sits further over the front axle than the rear-drive 430i ever has to deal with. Circuit Master coilovers for the Bmw 4 Series G22 (2WD/4WD) 4/6cyl (2020-2026) are built around repeat-session circuit work, not a single quick lap – the point is a car that still turns in cleanly on the tenth lap of a track day, once the standard adaptive dampers have started to fade under heat.

Both the four-cylinder 430i and the six-cylinder M440i share the same big-coupe weight problem: strong straight-line pace that has to be reined in under braking and through direction changes. A coilover platform built for sustained lapping, rather than a one-shot fast road setup, is the relevant fix for that chassis, whether the power is going through the rear wheels or split via xDrive.

What this coilover does for your 2020-2026 Bmw 4 Series G22

Fitted to the G22, this kit tightens body control through the sort of long, load-bearing corners a UK circuit throws at a heavy coupe – less dive under trail braking into a hairpin, less squat out of a low-speed exit, and a front end on xDrive cars that holds its line instead of pushing wide as weight transfers off the nose. The 9720-way adjustment range gives you enough scope to separate a track-day compression setting from a fast-road rebound setting without swapping dampers, and the three external adjustment knobs mean that split can be made trackside rather than back in the garage. Monotube-style construction keeps damping force consistent as oil temperature climbs across back-to-back sessions, which matters on a car this heavy – a soft-damper 4 Series will start wallowing by lap three of a 20-minute session, and that’s exactly the failure mode this kit is built against. Ride height is adjustable independently of spring preload, so you can drop the G22’s stance for a lower centre of gravity without changing the corner-weighting you’ve already dialled in.

About the Circuit Master coilover

XYZ Racing built the Circuit Master as the circuit-focused end of its range, sitting alongside the brand’s Drift Spec and Tarmac Rally options rather than trying to do all three jobs with one damper. Development running has gone through XYZ’s own racing teams on international circuits, and the 9720 combinations of compression and rebound adjustment exist because a coupe like the G22 needs a genuinely different setting for a low-grip street circuit than for a fast, flowing track. The three-knob layout separates high- and low-speed damping control rather than bundling everything into a single dial, which is what lets you hold a stiffer track setting without turning the car unbearable on the road home. Because the adjustment mechanism uses small-bore oil passages to give that fine-grained range, you may hear a faint tick over sharp bumps or kerbs – that’s the adjuster passages working as designed, not a fault, and it’s a known trait of dampers built for this level of adjustment resolution. The construction target throughout is circuit durability: consistent damping force lap after session, not just out of the box.

Fitment for the Bmw 4 Series G22 (2020-2026)

This kit is built for the Bmw 4 Series G22, chassis code BM120, covering both 2WD and 4WD (xDrive) drivetrain variants across the 2020-2026 production run. It fits the four-cylinder and six-cylinder engine options sold under this chassis code, so confirm your car’s drivetrain layout before ordering, since the xDrive and rear-drive versions carry different front-end weight and the kit is specified accordingly.

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Spec your Circuit Master kit for the exact BM120 drivetrain and engine you run – configure yours below.