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£20,776 (Est: £13,438 - £17,917)
1982 BMW 635CSi "The Observer Coupe
United States • 13 Aug 2026 • Lot 37
Vehicle Details
AI Listing Summary
This is a unique, one-off 1982 BMW 635CSi "The Observer Coupe" coachbuilt by MGA Developments, featuring a custom retractable glass roof system. It has been extensively restored and documented, with low mileage, making it a special piece of automotive innovation.

Condition
8
The car has undergone a comprehensive restoration and refurbishment in 2017, with documented service records dating back to 1989. It has low mileage (19,315 miles) and is described as remarkably well-preserved, indicating excellent overall condition.
/ 10
Transmission:
Automatic
Chassis No:
WBAEC7209C8175000
Odometer:
19,315 miles
Reg Number:
TBL 522Y
RHD/LHD:
LHD
3,430cc SOHC Inline 6 Bosch Motronic Fuel Injection 182bhp at 5,400rpm 4-Wheel Independent Suspension 4-Wheel Disc Brakes * A unique, coachbuilt machine * Originally developed with a retractable glass roof * Well documented * A special, one-off BMW Grand Tourer THE CAR OFFERED Conceived as a technological showcase and design statement, this remarkable one-off BMW 635 CSi stands among the most intriguing British coachbuilt projects of the 1980s.
Internally designated "Special Project M3" by Coventry-based MGA Developments Ltd., the car was created to demonstrate the company's full spectrum of engineering, styling, and prototype-development capabilities.
Established in 1979 by Mike Gibbs, MGA provided design-to-production services for major automotive manufacturers, and this ambitious project served as its ultimate calling card.
Supplied new by BMW Great Britain in 1982 and financially supported by The Observer newspaper, the donor 635 CSi was transformed into what was envisioned as t...
Points of note
£1,662
Lowest Price (Since 2020)
£15,187
Median Price (Since 2020)
£152,512
Highest Price (Since 2020)
World Record
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Top 30%
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Previous Sales
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