XYZ Racing Tarmac Rally Coilovers — BMW X4 F26 4WD 2014-2018

The X4 F26’s raised crossover stance sits it higher than the X3 it shares a platform with, and that extra ride height, combined with the mass of the xDrive drivetrain, works against you the moment a tarmac stage throws a compression or a mid-corner crest at the car. Standard-fitment dampers on this chassis were tuned for road comfort, not for absorbing a stage surface that changes camber and grip from one corner to the next.

XYZ Racing’s Tarmac Rally coilover is built specifically for that job: sealed-stage running on broken or uneven tarmac, where the damper has to soak up a hard hit without the body kicking back and unsettling the car before the next turn-in. For an F26 running stages rather than circuits, that’s the difference between a car that stays planted through a compression and one that skips.

What this coilover does for your 2014-2018 BMW X4 F26 4WD

Fitted to the X4 F26, this coilover is set up to absorb the shock of broken tarmac and mid-stage bumps rather than transmit it straight into the chassis. That matters on a 4WD car carrying this much weight over the front axle: when a big hit compresses the suspension, the damper’s job is to control the rebound so the tyre stays loaded and in contact with the road instead of skipping across it. Suppressing that body shock also keeps the contact patch working under braking into a stage corner, which on an SUV-height platform like the X4 is where you lose time if the chassis is left to pitch on its own. The result on this chassis is a car that holds its line through successive rough sections instead of getting progressively more unsettled as the stage goes on.

About the Tarmac Rally coilover

XYZ Racing built the Tarmac Rally line around one specific problem: sealed-stage tarmac that’s rarely as smooth as a circuit surface. The damper is calibrated to absorb impact from uneven road sections and large bumps without letting that energy translate into body shock, which is what keeps the tyre’s contact patch loaded through the stage rather than skipping over disturbed surfaces. That focus on controlling the car through a hit rather than just softening it is what XYZ describes as its Tarmac Rally settings, drawn from the brand’s own stage-rally programme rather than a generic road-damper base tune. The construction is designed to hold that behaviour consistently as the stage surface changes underneath the car, which is the point of a rally-specific damper over a track-day unit: stability through the unexpected, not just grip on a known, clean line.

Fitment for the Bmw X4 F26 4WD (2014-2018)

This kit is built for the BMW X4 F26 4WD, chassis code BM105, covering the 2014 to 2018 model years. Confirm your build date falls within this range before ordering, as BMW’s F-series platform carried running changes across the production run that can affect mounting points.

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Stage-ready damping for the X4 F26 starts with picking the right spec for how you’re running the car. Configure yours below.