The E31 8 Series was BMW's flagship grand tourer of the 1990s, a clean-sheet design that cost over a billion Deutsche Marks to develop. It was a showcase of technology, featuring CAD design, a multi-link rear axle, and the choice of a smooth V8 or a potent V12 engine. The sleek, pillarless coupe styling with pop-up headlights made it an instant icon, and a significant departure from the E24 6 Series it succeeded.
Collectors appreciate the E31 for its blend of 90s technology, luxury, and timeless design. The M-developed 850CSi is the undisputed top of the range, with its 5.6-liter, 375 hp S70 V12 and standard 6-speed manual transmission making it the most sought-after model. V12-powered 850i and 850Ci models offer a similar experience, while the later 840Ci with its M62 V8 is often seen as a more reliable and easier-to-maintain entry point.
The market for the E31 has gained significant traction. While running projects can still be found for under $10,000, values climb steeply for well-maintained cars. The average sale price hovers around $37,000, but exceptional low-mileage examples, particularly the 850CSi, have sold for over $250,000. Cars equipped with the 6-speed manual transmission consistently command a premium over their automatic counterparts across all engine variants.
Buying Tips
- Check for electrical gremlins, a common E31 issue. Test all power accessories, the instrument cluster for dead pixels, and ensure the dual-battery system is healthy.
- V12 engines have two of everything: ECUs, fuel pumps, and throttle bodies. Ensure they are synchronized and functioning correctly to avoid expensive repairs.
- Early M60 V8 engines suffered from Nikasil bore lining failure. Most have been replaced with Alusil blocks by now, but it's crucial to verify service history.
- Inspect the pop-up headlights for smooth operation. The plastic gears in the motors are a known weak point and can fail, causing the lights to stick.
- Suspension can be costly to fix. Check for worn bushings and be wary of cars with the optional EDC (Electronic Damper Control), as replacement shocks are expensive.
Prices range from $6,900 for projects to over $266,000 for pristine, low-mileage 850CSi models.
274 BMW E31 8 Series vehicles have been tracked across auctions and listings on Hypercars, with 13 currently live.
Data sourced from Bring a Trailer, Cars & Bids, eBay Motors, PCarMarket, and Collecting Cars. Updated daily.
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