1992 Alpina B12 5.0 Coupe (#54/97)

Buchloe’s relationship to BMW is easy to flatten into “tuner.” That flattening is how ordinary E31s sneak into rare-car conversations. The B12 5.0 coupe refuses the flatten: it is an Alpina product on the 8 Series architecture, built in a short run from mid-1990 to mid-1994, and counted at 97 cars before the hotter B12 5.7 (57 units) took the flag. Hemmings’ model feature puts the point bluntly — not one was earmarked for the U.S. market when new. Scarcity here is not a rare paint code on a volume coupe. It is the entire catalog.

What Alpina changed matters because it is mechanical, not merchandising. Period and reference coverage describe an M70 5.0 V12 with higher-compression Mahle pistons, larger intake valves, revised heads and management, a unique exhaust path, and a raised redline — factory claims around 350 hp and 470 N·m, with a ZF four-speed automatic recalibrated to use the higher engine speed. Chassis work (springs, Bilstein damping, Alpina wheels/valance language) and the blue-dial instruments complete the product identity. There was no manual B12 5.0 coupe; the auto is not a compromise anecdote, it is the series.

This example is publicly identified as #54 of 97, VIN WAPBC50C02D110054 — the WAP manufacturer code is the quickest way a buyer separates Alpina truth from a dressed 850i. The ownership romance is thinner than the Lazzarino or a works race bike: German delivery, later U.S. importation (2025 in venue materials), roughly 88,000 km showing. That is fine. Rare Machines scores production and documentation hard on this one; provenance scores in the mid-single digits because the chassis has no public competition or museum history. It is still rare enough to feature.

California buyers should treat emissions and title path as diligence, not as a rarity question: venue materials note the car has not been CARB-inspected. That is a registration problem for some zip codes, not a reason to dismiss the car.

Provenance timeline (public)

• 1990–1994 — Alpina builds 97 B12 5.0 E31 coupés (succeeding run: 57× B12 5.7).
• This chassis (#54) — WAP VIN publicly listed; German-market delivery in public offering notes.
• 2025 — Imported to the United States (venue-stated).
• 2026-09-10 — BaT auction closed; sold USD $200,000 (venue result).