BMW's V8 and V12 pop-up-headlamp grand tourer of the 1990s — with a Motorsport-developed range-topper.
BMW's technological flagship of the 1990s, the E31 8 Series was a pop-up-headlamp, pillarless grand tourer conceived to sit above the 6 Series. It was the first road car to offer a V12 with a six-speed manual, an early adopter of drive-by-wire throttle and CAD-designed structure, and — in 850CSi form — a BMW Motorsport-developed range-topper often unofficially called the "M8."
Expensive when new and long undervalued, the range has been rediscovered for its overbuilt engineering, futuristic looks and V12 grand-touring character.
A technological flagship with genuine rarity at the top of the range and, in the 850CSi, the closest thing to the M8 that never was.
| Variant | Years | Production | Notes |
|---|---|---|---|
| 850i / 850Ci (5.0 V12) | 1989–1994 | Part of 30,621 total | M70B50 5.0 V12, 300 hp; 6-speed manual or 4-speed auto; first road car to offer a V12 with a six-speed manual. |
| 850Ci (5.4 V12) | 1994–1999 | Part of 30,621 total | M73B54 5.4 V12, 326 hp; automatic. |
| 840Ci (V8) | 1993–1999 | Part of 30,621 total | M60B40 4.0 then M62B44 4.4 V8, 286 hp; first V8 in the 8 Series; manual or auto. |
| 850CSi | 1992–1996 | 1,510 | BMW Motorsport-developed; S70B56 5.6 V12, 380 PS (375 hp); six-speed manual only; uprated chassis, rear-axle steering, quicker steering rack; unofficially the "M8." |
Authenticate stamped chassis and engine numbers against factory or club records. For the E31 specifically, verify engine and gearbox combination (particularly manual V12 and V8 manuals), 850CSi Motorsport hardware where applicable, and comprehensive service history — complexity makes documented care decisive.
Confirm body originality, panel identity and restoration standard against a marque specialist.
Confirm continuous service history and any rebuild history for the engine, transmission and driveline against a marque specialist.
Restoration standard, originality of body and driveline, and any documented ownership record are the main value drivers.
Regional ranges authored independently — each reflects its local market, not an FX conversion
Each region quoted in its local currency — independent market readings, not FX conversions
For years the 8 Series was held back by fearsome maintenance costs, but appreciation for its overbuilt engineering and period-futuristic design has firmed values. Manual V12s and the rare V8 manuals are the enthusiast's picks among the standard cars, while the 850CSi sits in a class of its own as the closest thing to the M8 that never was. Comprehensive service history is decisive given the complexity.
Authored against aggregate public-market data and named price guides as set out in What to Pay; regional readings are independent, not FX conversions.
| Date | Auction | Car | Mileage | Result |
|---|---|---|---|---|
| Feb 2024 | Artcurial Rétromobile, Paris | 1993 850CSi | — | €121,584 Sold |
A technological flagship with genuine rarity at the top of the range, the E31 rewards condition and history above all. The Motorsport-developed range-topper anchors a distinct collector tier, while well-kept manual and V12 examples of the wider range are gradually being re-rated after years of neglect.
Our view, not advice. This section is Car Collector International's editorial judgement on where this model sits in the collector market, based on the production, specification and market data set out in this guide. It is not a recommendation to buy or sell and it is not investment advice. Values can fall as well as rise.
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The valuation figures in this guide are for research purposes only and do not constitute financial or investment advice. See our full disclaimer.
