XYZ Racing Top Sport Coilovers — Audi A8L 4WD (OE FOR AIR STRUT) (Cancellation Kit for Electronic Damping) 2010-2017

The D4 A8L is a long-wheelbase luxury saloon riding on adaptive air suspension from the factory, and that’s exactly the system this kit is designed to retire. Swapping the air struts and CDC dampers for a coilover platform turns a 2.0-tonne quattro limo into something with actual roll control, predictable turn-in, and a ride height the owner picks rather than the ECU.

The XYZ Racing Top Sport coilover for the 2010-2017 Audi A8L 4WD is the right pick for owners who’ve watched their air bladders fail past 100k miles and want a fixed-platform answer that still copes with broken UK B-roads. The included cancellation kit suppresses the dash warning the car would otherwise throw when the electronic damping loop opens.

What this coilover does for your 2010-2017 Audi A8L 4WD

Replacing failed or sagging air struts with a proper sprung coilover transforms how the A8L carries its mass. The Top Sport runs spring rates roughly 2kg/mm stiffer than a street tune and 30 to 50 percent more damping force, which is what stops the long wheelbase pitching forward under braking and squatting on corner exit. You get adjustable ride height across the full chassis, so the car can sit lower and look like it should, without scraping the front splitter on every entrance ramp. The cancellation kit is wired in to keep the OE module quiet, so there’s no permanent CEL or "suspension fault" message on the cluster. On the road, the result is a saloon that feels closer in body control to a stiffly-sprung S8 than to a wallowing limo.

About the Top Sport coilover

The Top Sport is XYZ Racing’s track-capable-but-road-usable damper, and the settings come straight out of XYZ’s own race programme rather than off a generic chart. Construction is a fixed-rate monotube damper paired with linear-rate springs, with separate adjusters for ride height and pre-load so corner-weighting is possible without binding the spring. The valving target is to absorb large single impacts, things like raised manhole covers and motorway expansion joints, while still suppressing secondary body movement after the hit. Tyre traction is the metric XYZ tunes for: keeping the contact patch loaded through transient inputs is what makes the platform usable for the occasional track day, while the 2kg/mm spring rate uplift over a street kit keeps the car composed when driven hard. It’s the kit XYZ recommend when buyers want a fast-road set-up that will also survive a Bedford or Castle Combe session without overheating.

Fitment for the Audi A8L 4WD (2010-2017)

This kit is for the long-wheelbase D4 A8L quattro chassis (AU49-C), built 2010 to 2017, with factory air suspension. The cancellation module is included to suppress the electronic damping control fault on cars originally fitted with CDC. Confirm your car was specified with the OE air-strut and electronic damping package before ordering.

What buyers also search for

• Audi A8L D4 air suspension replacement with full coilover conversion
• D4 A8L coilovers that retain ride quality for daily UK driving
• Audi A8L 4.0 TFSI quattro lowering kit with adjustable damping
• D4 air strut delete with electronic damping cancellation included
• Audi A8L track-capable coilover for owners running occasional circuit days

Set your ride height and corner balance to suit how you actually drive the car – configure yours below.