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The Wilton Collection






Engine Capacity

Exterior Colour

Service History


3.5 litre

Diamond Black

Full History

    ust 524 right-hand-drive examples of the E24 M635 CSI were built between 1985 and 1989 and even today the M635 CSI offers an unrivalled blend of exclusivity, build quality, practicality and effortless continent crossing performance. 


The touring capability of these superb coupes still impresses today. An excellently appointed cabin, with the trademark 70’ & 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, whilst the much revered M88 3.5 litre, 24-valve, 286bhp engine delivers the excitement that BMW had demonstrated with the M1.


This sporting thoroughbred will sprint to sixty in six seconds and, in an awesome display of torque, pulls smoothly and with increasing rapidity 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 Supercars. The M635 must surely rank as the ultimate 80s GT car. 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.

It is a privilege to be offering this very well known,  pre-Highline example for sale. Having been the centre piece of the Wilton Collection for the last few years. The owner felt it was time for a change to his display. We sold to him and prepared a stunning 35,000 mile M3 CSL to take the place of this 18,000 mile M635 CSI.  


This Diamond black, 3 owner M635 CSI is one of the lowest mileage and most original examples remaining. The car is unrestored, all original panels and with only 18,000 miles from new with supporting document file.  We at Classic Heroes have known of this car and its history for many years. 


In October 2017 the car featured in Classic & Sports Car with the current owner. 

Click here to read Classic & Sports Car article



Interior Colour




Full Black Leather

3 Owners




M635 CSI 

3 owners

18,000 Miles 

Full service history

Diamond Black 

Black Leather 

Sports front seats 

Air conditioning


On-board Computer

Headlight washwipe

Original Blaupunkt Monteal CR40

BMW over mats.

Following our usual detailed workshop inspection,  an age related program of preventive maintenance has been drawn up to be carried out as part of the sale ensuring this M635 is turnkey and future proofed for the next 30 years. 


Carry out inspection II service 

Change brake fluid and coolant

Replace wiper motor

Replace missing door catch grommets 

Replace rear exhaust box joiners 

Replace all coolant, heater hoses and clips 

Replace all front fuel hoses and clips 

Replace all rear fuel hoses and clips 

Strip and re-tape under bonnet loom with new canvas loom tape

Replace wiper spindle nut covers 

Replace wiper blades

Replace front shock absorber bump stops and gaiters

Replace front and rear brake hoses, bleed brakes

Replace differential mounting

Replace o/s and n/s pitman arms 

Rectify faulty headlight washer

Road test and MOT car 


Remove all wheel arch liners and splash shields. Thoroughly wash underside of car. Protect car and cavities with clear cavity wax and Tectyl ML.  


The car still features the original supplying dealer rear window sticker, tax disc, original registration document, the Classic & Sports Car article, service wallet, all manuals, handbooks, fully stamped service book, original BMW sales brochures, MOTs going back to 1991 and even the original BMW service schedules are in the document file for the running-in service and the first service. 


Please call Barney for full details of this incredibly special and low mileage M635 CSI.

Please enquire with Barney for further details