The 1991 Alpina B10 3.5/1 stands as a refined testament to the era when Alpina was cementing its status as a manufacturer of world-class high-performance sedans. As one of only 572 examples produced, this vehicle represents a significant chapter in the E34-generation history, offering a bespoke alternative to the standard BMW 5 Series. First delivered in Germany and later traversing through Canada to the United States, this specific car, number 0523, retains its rare BMW Individual Macaoblau Metallic finish. With its balanced performance and understated aesthetics, this B10 3.5/1 is a collector-grade example that continues to deliver the precise driving dynamics synonymous with the Buchloe-based marque.
Macaoblau Metallic Finish and Alpina Aerodynamics
The visual character of this B10 3.5/1 is defined by its BMW Individual Macaoblau Metallic paint, a sophisticated hue that shifts depth depending on the light. The silhouette is enhanced by functional Alpina-specific bodywork, including a signature front spoiler and side skirts that provide a lower, more purposeful stance. Iconic silver 17-inch Alpina multi-spoke wheels are staggered with 235/45 front and 255/40 rear Continental ExtremeContact tires, perfectly filling the arches. Projector-style headlights and bright window trim complement the dark finish, while twin exhaust outlets hint at the modified powertrain. Despite minor paint touch-ups and a cracked fog light, the car retains the elegant aggression characteristic of a true Alpina build.
Silver Grey Leather and Driver-Centric Appointments
Inside the cabin, the environment is upholstered in silver grey leather, covering the front sport seats and rear bench in a palette that contrasts beautifully with the two-tone dashboard. A three-spoke Alpina steering wheel sits before a 280-km/h speedometer, while an Alpina-branded shift knob provides a tactile connection to the five-speed manual gearbox. Modern conveniences include dual-zone automatic climate control, rear window shades, and an upgraded Nakamichi CD stereo system. The center stack proudly displays the Alpina production plaque, identifying this chassis as number 0523. This interior manages to balance the luxury of a long-distance cruiser with the focused ergonomics required for spirited driving.
Alpina-Modified M30 Inline-Six and Manual Control
Mechanical propulsion is provided by a 3.4-liter M30 inline-six that was extensively modified by Alpina with Mahle pistons, a revised cylinder head, and a reprogrammed Motronic ECU. This narrative of engineering excellence produces 251 hp / 254 PS and 240 lb-ft / 325 Nm, delivered to the rear wheels through a traditional five-speed manual transmission. The engine breathes through a dedicated Alpina exhaust system, which provides a distinct acoustic signature. Recent maintenance under current ownership has included the replacement of the battery and clutch hydraulic cylinders, ensuring the drivetrain remains responsive. The Alpina-tuned suspension features Bilstein shock absorbers, allowing for composed handling that benchmarks impressively against its period competitors.
| Technical Specifications | |
|---|---|
| Engine Type | 3.4L M30 Inline-Six (Alpina Modified) |
| Output | 251 hp / 254 PS and 240 lb-ft / 325 Nm |
| Transmission | 5-Speed Manual |
| Total Production | 572 Examples |
| Suspension | Alpina-Tuned with Bilstein Shocks |
| Wheels | 17-Inch Alpina Multi-Spoke |
| Odometer | 227k Kilometers (~141k Miles) |
An Investment in E34 Generation Exclusivity
In the landscape of 1990s performance sedans, the 1991 Alpina B10 3.5/1 occupies a unique selling point as a more exclusive and torque-rich alternative to the contemporary BMW M5. While the M5 focused on high-RPM delivery, the Alpina B10 provided a more effortless, “gentleman’s express” feel with its modified M30 powerplant. With fewer than 600 units built, its rarity is a significant driver of long-term value, especially for examples finished in BMW Individual colors. This car’s history of documented maintenance and its recent importation into the US makes it a standout entry for collectors who appreciate the subtlety and craftsmanship of the Alpina brand.
The Final Word on the Alpina B10 3.5/1
The 1991 Alpina B10 3.5/1 is a rolling testament to the Buchloe philosophy of balanced, high-speed performance and understated luxury. It offers its next caretaker a rare blend of manual driving engagement and modified big-block inline-six power, ensuring the Alpina legacy remains as vivid today as it was when it first left Germany in 1991.
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Source: bringatrailer.com
