XYZ Racing Top Sport Coilovers — BMW 3 SERIES G21 (2WD/4WD) 4/6 CYL (Cancellation Kit for Electronic Damping) 2018-2026

The G21 Touring carries extra mass over the rear axle compared with the G20 saloon it shares a platform with, and that load-bay weight shows up first under trail-braking into a fast corner, where the factory adaptive dampers were tuned around ride comfort rather than outright body control. Because this generation of 3 Series ships with electronically controlled damping as standard, fitting a mechanical coilover means dealing with the EDC wiring loom, not just the springs and struts underneath.

The XYZ Racing Top Sport coilover for the BMW 3 Series G21 covers both 2WD and 4WD, 4 and 6-cylinder variants across the 2018-2026 range, and this listing includes the cancellation kit that resolves the electronic-damping conflict at the source rather than leaving a warning light on the dash. It’s built for the driver who wants a firmer, more controlled Touring for the odd track day without giving up the daily commute in between.

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

Once the cancellation kit is in and the coilovers are set, the rear end stops wallowing under the weight of a loaded boot when you brake hard into a corner, because the increased spring rate and damping force keep the body flatter through the transition. Turn-in sharpens on the front axle too, since the stiffer set-up reduces the nose-dive that masks steering feel on the standard suspension. Height is adjustable at each corner, so a lowered Touring that still clears speed bumps and driveways is possible without resorting to spacers or trim changes. On 4WD versions, the tighter damping also reduces the pitch and squat that can upset the drivetrain’s torque split mid-corner.

About the Top Sport coilover

XYZ’s Top Sport line runs 30 to 50 percent more damping force, or roughly 2kg/mm stiffer springs, than the equivalent street-spec coilover in the range. That extra control is there to absorb the impact of poor tarmac and sharp-edged bumps without the shock body kicking back through the chassis, which in turn keeps the tyre’s contact patch working properly through direction changes rather than skipping over the surface. The damping curve and spring rates are drawn from XYZ’s own track programme, carried over rather than reworked for road use, which is why the line is pitched at drivers doing genuine track days as well as fast, committed road driving. Height and preload are independently adjustable, so ride height can be set without changing the spring’s working range.

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

This kit is coded BM108-C and covers the BMW 3 Series G21 Touring across both 2WD and 4WD drivetrains, with 4 and 6-cylinder engine variants, for the 2018 to 2026 model years. The cancellation kit variant is specifically for cars fitted with electronic adaptive damping from the factory, replacing that system’s function at each corner rather than running alongside it.

What buyers also search for

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Pick your BM108-C spec and configure yours below to match your G21’s drivetrain and engine variant.