XYZ Racing Street Advanced Coilovers — Audi A8 4WD (OE FOR AIR STRUT) 2007-2010

The D3 A8’s air suspension is both its greatest luxury and, with time, its longest-running liability. By 2007, Audi’s flagship quattro saloon had refined the air strut system to a level few rivals could match – but ageing compressors, failed air bags, and the steep cost of OE replacement parts have led a growing number of owners toward a permanent mechanical solution. These XYZ Racing Street Advanced coilovers replace those air struts with a conventional coilover setup, eliminating the compressor, air lines, and failure-prone reservoir that define the factory arrangement.

On a car this size – north of 1,800 kg, routing torque through all four wheels via quattro – spring rate and suspension geometry matter more than they would on a lighter, simpler platform. The Street Advanced is calibrated for enthusiast road use with adjustable comfort, a balance that suits an A8 which still covers long distances but whose driver is done with the wayward float of degraded original units.

What this coilover does for your 2007-2010 Audi A8 4WD (OE FOR AIR STRUT)

Replacing the OE air struts on the D3 A8 changes the chassis’s fundamental character. Where the factory system prioritises isolation above all else, the Street Advanced allows the driver to choose how much involvement they want – across 720 damping positions – rather than being bound by whatever state ageing original units have settled into. The A8’s quattro layout loads the front axle heavily, and that combination of mass and all-wheel drive grip rewards precise setup choices; the wide adjustment range makes those choices available without specialist intervention. Bringing the ride height down from the air suspension’s standard stance also reduces the platform’s centre of gravity meaningfully, which shows up on faster A-roads as reduced body roll and a more planted, predictable response through directional changes.

About the Street Advanced coilover

XYZ Racing’s Street Advanced is the company’s most thoroughly developed product line, refined across multiple years by the engineering team and validated through use in competitive motorsport events worldwide – experience that directly informs the damper calibration and durability standards applied to the road-use versions. The series is designed to span both daily road driving and occasional track day sessions without requiring a wholesale setup change between the two. Its headline specification is 720-way damping adjustment, a range that offers far more tuneable positions than any factory air setup can replicate, and allows the driver to configure the ride to suit road conditions, passenger load, or circuit demands on a given day. Built around the conviction that enthusiasm and comfort need not be mutually exclusive, the Street Advanced suits a flagship like the A8 precisely because it remains liveable across the kind of distances these cars are expected to cover.

Fitment for the Audi A8 4WD (OE FOR AIR STRUT) (2007-2010)

This kit is matched to chassis code AU42 and covers Audi A8 quattro variants fitted with the original equipment air strut suspension across the 2007 to 2010 model years. Before ordering, confirm your car carries the factory air setup – the D3 A8 range also included variants without air suspension, and this fitment does not apply to those. The kit is designed as a direct-replacement installation into the OE air strut locations.

What buyers also search for

• Audi A8 D3 coilover conversion kit for cars with factory air suspension fitted from new
• XYZ Racing Street Advanced for Audi A8 quattro 2007-2010 road and occasional track use
• Audi A8 4WD suspension upgrade with 720-way adjustable damping
• A8 D3 air strut replacement with adjustable ride height for UK roads
• Audi A8 quattro coilover kit AU42 chassis 2007 2008 2009 2010

Pick your specification using the configurator below and build the setup that suits how you use the car.