Based on your side of the issue daviesbike, and from what you have said, I think it is rather unfair on you that Roberto made this issue public to all, especially having been in communication with you previously, prior to this thread.
I am not familiar with Roberto or his driving style, so can't comment on that as a source of the problem, but the three sets of warped discs does raise some concern. Either this is a known problem with them (not that I have read anywhere), or as you say, there could be serious issues with the ABS unit (and associated units) in Roberto's car. The fact that another set of discs (W12 ones) have now gone the same way would seem to imply such a problem.
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts
My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts
Sold!  2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights
My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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