XYZ Racing Gravel Rally Coilovers — BMW 6 SERIES E63 / E64 M6 (Cancellation Kit for Electronic Damping) 2004-2010

The E63/E64 M6 was never built for loose surfaces. A 5.0-litre S85 V10 over the front axle, near-1,800kg kerb weight, and a chassis tuned at the Nürburgring for sustained grip make this one of the more unusual platforms to put on a rally stage – which is precisely why the people doing it need a damper engineered for the job rather than a road kit pushed beyond its travel. This is the XYZ Racing Gravel Rally coilover for the 2004-2010 BMW 6 Series E63/E64 M6, supplied with the cancellation kit that takes the factory EDC (Electronic Damping Control) out of the loop so the new dampers can do their work without the ECU throwing fault codes at every impact.

It is a gravel-stage damper, not a circuit damper. Long stroke, long spring, inverted-tube body – built to swallow the kind of input that destroys conventional fast-road kit inside a single stage.

What this coilover does for your 2004-2010 Bmw 6 Series E63 / E64 M6 (Cancellation Kit for Electronic Damping)

The inverted-tube layout puts the larger-diameter outer body at the bottom of the strut, which protects the damper rod from stone strikes and keeps the bushing surface area working against side-load when the front wheels are being thrown sideways across rutted gravel. On a chassis as front-heavy as the M6, that side-load resistance is what stops the geometry collapsing into permanent understeer the moment the surface gets uneven. The long stroke gives the wheel room to extend into compressions and dips instead of topping out and losing contact, which on an E63 translates directly into the rear staying planted under power out of a loose corner. Spring lengths are matched to the stroke so the coil never coil-binds under full compression – critical when a 1,785kg car lands on its bump-stops over a crest. The cancellation kit removes the EDC dependency cleanly, so the dash stays quiet and the chassis behaves the way the damper says it should, not the way the factory ECU thinks it should.

About the Gravel Rally coilover

XYZ Racing developed the Gravel Rally specifically for the most aggressive surface in motorsport – rally cross and gravel-stage rally, where the road condition does more to the damper than any other discipline. The construction is inverted-tube to handle the variable surface inputs of sandstone, snow and silt without losing damping characteristics. Long stroke and long spring lengths are the defining geometry: enough travel to absorb high-speed bouncy road, and enough spring length to bear the extreme G-force loads that come through the chassis on a fast direction change. Every spring rate in the range has been tested by working rally teams rather than calculated on a bench, which is why the Gravel Rally is the section of the XYZ catalogue most often specified by people whose income depends on finishing stages.

Fitment for the Bmw 6 Series E63 / E64 M6 (Cancellation Kit for Electronic Damping) (2004-2010)

This kit is built for the E63 coupe and E64 convertible M6 produced 2004-2010, chassis code BM47-C, with the electronic damping cancellation kit included so the original EDC system can be retired cleanly. The cancellation hardware is what makes this a usable conversion rather than a fight with the OBC.

What buyers also search for

• BMW E63 M6 rally suspension upgrade for loose-surface stages
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• BMW 6 Series M6 gravel rally damper with inverted-tube construction
• S85 V10 6 Series long-stroke coilover for rallycross use
• BMW E63/E64 BM47-C chassis coilover with cancellation kit included

If the M6 is going on gravel, this is the damper built for it – configure your spring rates and pick-up points below.