The Alpina B12 5.7 Coupe stands as a highly sought-after chapter in the history of high-performance German engineering. It is based on the already potent BMW 850CSi, but Alpina significantly enhanced nearly every aspect. The result was a true bespoke grand touring machine. This 1993 Alpina B12 5.7 Coupe is especially rare, being number 27 of only 57 examples ever produced. It was ordered with unique special-order Ferrari Red paintwork, ensuring it stands out from typical Alpina livery. This coupe was later federalized for the US market in 2004, a complex process that speaks to its desirability.
Exclusive Exterior Features and Unique Finish
This car’s special-order Ferrari Red paint provides a dramatic look, deviating from the usual Alpina Green or Blue. The exterior features unique Alpina elements, most notably the B12-specific vented hood. This hood includes a functional NACA duct, aiding in engine bay cooling. While initially fitted with an Alpina valance, the car now features an 850CSi-style front end. HID headlights have been installed, providing superior illumination. The car retains its clean, elegant E31 silhouette, accented by the exclusive Alpina touches.
Alpina Softline Wheels and Suspension
The car rides on the iconic Alpina Softline 18-inch wheels. These signature wheels are essential to the Alpina aesthetic. In 2024, they were fitted with Michelin Pilot Sport All Season 4 tires. The front tires measure 245/40, while the rears are wider at 285/35. The B12 5.7 retained the 850CSi’s advanced rear-wheel steering system. Alpina installed revised front lowering springs for an optimized stance and improved handling. Furthermore, the dampers and thrust bushing arms were recently replaced in late 2024, refreshing the entire suspension setup.
A Custom Anthracite and Red Cabin
The interior is trimmed in Anthracite Buffalo leather, detailed with Alpina-motif accents. The cabin received a refresh that includes a retrimmed dashboard. It now features striking red and black accents, complementing the exterior color. The headliner has been upgraded to Alcantara, enhancing the luxury feel. Both front seats are heated and power-adjustable, ensuring comfort during long-distance drives. A CD43 stereo unit was installed, providing a subtle modern touch.
Instrumentation and Factory Service History
The leather-wrapped steering wheel features the traditional blue and green Alpina stitching. It frames an Alpina-specific blue instrument cluster. The cluster includes a speedometer that reads up to 340 km/h. Showing 141,000 kilometers, the odometer reflects this car’s history as a well-driven grand tourer. Crucially, the engine was rebuilt at the Alpina factory in Buchloe, Germany, during a refresh in 2007. This factory attention validates the car’s enduring quality and care.
Alpina 5.7-Liter V12 Engine Performance
The heart of the 1993 Alpina B12 5.7 Coupe is the modified 5.7-liter V12 engine. Alpina took the BMW 5.6-liter S70B56 V12 and enhanced it significantly. Modifications included revised camshafts, intake, exhaust system, and ECU programming. The resulting displacement of 5.7 liters delivered impressive power. The engine was factory rated by Alpina to produce 416 horsepower. It also generated a healthy 420 lb-ft of torque. Power is routed through a six-speed manual transmission. A limited-slip differential helps manage the V12’s torque output efficiently. The clutch assembly and rear main seal were replaced in 2025, ensuring smooth operation.
Summary of the 1993 Alpina B12 5.7 Coupe
As number 27 of only 57 units, this 1993 Alpina B12 5.7 Coupe is a true collectible. It features a host of exclusive details, including special-order Ferrari Red paint and the legendary Alpina V12 engine. The rebuilt 5.7-liter V12, paired with a six-speed manual transmission, provides a rare and exhilarating driving experience. With its refreshed suspension, updated interior, and extensive documentation, this B12 coupe is an outstanding example of Alpina’s high-performance artistry.
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Source: bringatrailer.com
