The touring capability of these superb coupes still impresses today. An excellently appointed cabin with the trademark 70’s & 80’s BMW ‘acres of glass’ for first rate vision, a lavish array of creature comforts such as full leather, sports seats, air conditioning, sunroof, on-board computer and of course, four ‘proper’ seats and a commodious boot all add to the practicality. The much-revered M88, 3.5 litre, 24-valve, 286bhp engine delivers the excitement that BMW had demonstrated with the M1.

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This sporting thoroughbred will sprint to sixty in six seconds and in an awesome display of torque, pulls smoothly and increasingly rapidly from 25mph to 158mph in fifth gear. Overtaking ability is equally impressive with 30-70mph taking a mere 5.5 seconds. A Getrag sport gearbox, limited slip differential, Bilstein gas-filled dampers, Motorsport springs, larger diameter roll bars, larger wheels and bigger ventilated discs with M1-spec 4-pot calipers, are all testimony to a proud racing heritage and the bespoke nature of this Garching product.

Still rated by journalists to this day as the finest and last true hand built, BMW Motorsport, competition bred, GT Supercar. The M635 must surely rank as the ultimate 80s GT. A blend of classic GT styling, blindingly quick, satisfying on the twisty bits, effortlessly refined as a motorway mile-eater and just as easy to simply totter around to the supermarket.

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​This M635 CSI is exceptionally well known to us. I personally purchased the car from the first owner in 2008. The car was inspected by the workshop team with great excitement. This one was simply too good to let go. Even then it was almost unheard of to find a one owner from new M635 CSI with only 22,000 miles in original condition. The decision was made and this very special example became part of the Classic Heroes Collection.