XYZ Racing Tarmac Rally Coilovers — BMW 3 SERIES G21 (2WD/4WD) 4/6 CYL 2018-2026

The G21 Touring carries more weight over its rear axle than the G20 saloon, and on a rally stage that changes everything the moment the tarmac breaks up under compression or the camber shifts mid-corner. XYZ Racing’s Tarmac Rally coilover for the BMW 3 Series G21 (2WD/4WD, 4/6 cylinder, 2018-2026) is built around that reality – a chassis that has to survive repeated hits from broken surfaces, crests and ruts at speed, not just lean into a smooth apex.

Both the rear-drive and xDrive versions of this generation, in four- or six-cylinder form, face the same demands on a stage: big compressions, sudden direction changes and tarmac that’s rarely as flat as it looks. This kit keeps the axles loaded and working through all of it rather than skipping over the top.

What this coilover does for your 2018-2026 BMW 3 Series G21

Fitted to the G21, this coilover is tuned to absorb the impact of broken tarmac rather than transmit it straight into the cabin – useful on an estate that already carries extra mass behind the rear axle when loaded with service kit or spares. Across the big hits – crests, compressions, sudden ruts – the damper controls body movement instead of letting the shell pitch and squat, which keeps the tyre’s contact patch working and traction consistent through a stage rather than just on a smooth road. On the 2WD cars that means more predictable rotation under power out of tight junctions; on xDrive cars it means the extra weight over the front axle doesn’t wash out the front tyres’ grip on the way into a compression. The result is a G21 that stays settled enough for the driver to keep committing to pace notes instead of backing off for the next unknown surface change.

About the Tarmac Rally Coilover

XYZ Racing built the Tarmac Rally line specifically to deal with surfaces that circuit coilovers were never asked to survive. The damper is calibrated to soak up the impact of uneven, broken tarmac and to absorb sharp jolts from bigger hits without transmitting that shock straight through the chassis – the aim is to control body movement under load rather than let it bounce or wallow after a compression. That control is what keeps the tyre loaded and gripping through the stage instead of skipping across the surface after every impact, which is where a rally car actually loses time. The damping and spring settings on this kit come directly from XYZ’s own tarmac rally programme rather than a generic road-and-track compromise, tuned around how a car actually behaves when it’s being driven flat out over surfaces that were never resurfaced for competition. It’s built for stage work first, with the stability that gives translating into more confident, more repeatable handling for the driver.

Fitment for the BMW 3 Series G21 (2018-2026)

This kit is mapped to the BMW 3 Series G21 (chassis code BM108), covering the 2018-2026 production run in both rear-drive and xDrive form. It’s specified for the four- and six-cylinder engine range, so it covers everything from a four-pot 320i-class car through to the six-cylinder M340i-level cars in the same estate body.

What buyers also search for

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• BMW G21 Tarmac Rally damper tuned for repeated big-hit compressions
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Pick the spec that matches your G21’s drivetrain and engine below to get the exact Tarmac Rally build for your car – configure yours below.