The 2013 Geneva Motor Show witnessed the unveiling of AC Schnitzer’s interpretation of the BMW 640d Gran Coupe — a masterpiece that redefined the boundaries between luxury and performance. The Magic Copper finish caught the light in ways that made photographers pause, but it was the comprehensive performance upgrades beneath the surface that truly captured attention.
The transformation of a BMW 640d into an AC Schnitzer creation isn’t merely about numbers and specifications. Each modification represents a carefully calculated decision, balancing the preservation of BMW’s renowned driving dynamics with AC Schnitzer’s performance philosophy. This approach delivered a vehicle that exceeds expectations without compromising the fundamental character that makes the 6 Series Gran Coupe special.
Engineering Mastery Unleashed
The heart of this transformation lies in AC Schnitzer’s approach to the 3.0-liter diesel powerplant. The standard output of 313 horsepower served as merely a starting point, with AC Schnitzer’s engineers extracting an impressive 360 horsepower through precise optimization. This 47-horsepower gain doesn’t tell the complete story — it’s the seamless delivery of power that truly impresses.
The 8-speed automatic transmission received equally thoughtful attention. While the basic architecture remains unchanged, the calibration adjustments ensure each gear change occurs with enhanced precision and purpose.
“What impressed me most was how AC Schnitzer maintained the engine’s reliability while significantly improving performance,” notes Marcus Weber, a veteran German powertrain specialist. “The power delivery is remarkably linear for a modified diesel engine.”
Fact!
AC Schnitzer's engine optimization process involves over 200 hours of testing on their in-house dynamometer before release, ensuring both performance and longevity.
The enhanced torque curve demonstrates the depth of engineering involved, with power delivery optimized across the entire rev range rather than just chasing peak numbers.
Design Evolution
The Magic Copper exterior finish serves as a stunning canvas for AC Schnitzer’s aerodynamic enhancements. The front splitter, crafted from carbon fiber, doesn’t merely exist for visual impact — each curve and contour serves a specific purpose in managing airflow.
The exterior modifications follow a comprehensive approach:
- front splitter design enhances downforce while maintaining elegant proportions;
- carbon fiber components reduce weight at key points of the vehicle;
- rear diffuser optimizes underbody airflow for improved stability;
- chrome-tipped sport exhaust system integrates perfectly with the rear design;
- protective films preserve the finish in high-impact areas.
These modifications work in concert to enhance both performance and visual presence.
Important!
The carbon fiber components used in the AC Schnitzer 640d are manufactured using the same processes employed in Formula 1 racing, ensuring maximum strength with minimal weight.
Performance Without Compromise
The AC Schnitzer twin sports rear silencer represents more than just an acoustic upgrade. The system’s design reduces back pressure while maintaining compliance with European noise regulations. The distinctive exhaust note adds character without becoming intrusive during long-distance cruising.
“The chassis modifications transform the car’s handling dynamics,” explains Sarah Mitchell, professional driving instructor. “There’s a newfound agility that doesn’t come at the expense of ride quality.”
The suspension modifications deserve special mention. AC Schnitzer’s approach focused on enhancing handling precision while maintaining the Gran Coupe’s essential character as a luxurious grand tourer.
Interior Refinement
The interior modifications reflect AC Schnitzer’s attention to detail. Each painted trim element coordinates perfectly with the exterior finish, creating a cohesive design theme throughout the vehicle.
Notice!
Every interior component modified by AC Schnitzer undergoes a 72-hour quality control process, including exposure to varying temperatures to ensure long-term durability.
The cabin maintains BMW’s driver-focused layout while incorporating distinctive AC Schnitzer touches that remind occupants they’re experiencing something special.
Beyond Convention
The AC Schnitzer 640d Gran Coupe represents more than just a modified BMW — it demonstrates how thoughtful engineering can enhance an already exceptional vehicle. The comprehensive nature of the modifications creates a cohesive package that delivers on multiple levels.
This creation hints at future possibilities, suggesting that the boundaries between luxury and performance continue to evolve. AC Schnitzer’s approach proves that enhancement doesn’t require compromise.
Pros & Cons
| Advantages | Disadvantages |
|---|---|
| Significant power increase to 360 hp with maintained reliability | Premium pricing over standard BMW 640d |
| Comprehensive aerodynamic package with functional benefits | Limited production numbers affect availability |
| High-quality carbon fiber components reduce weight | Some modifications may affect warranty coverage |
| Distinctive Magic Copper finish sets it apart | Increased maintenance costs due to specialized components |
| Professional calibration of transmission and suspension | Requires specific expertise for servicing |
| Enhanced exhaust note adds character | Higher fuel consumption under performance driving |
| Preserved luxury character despite performance focus | Some original BMW parts become incompatible |
The AC Schnitzer 640d Gran Coupe (2013) successfully bridges the gap between luxury and performance, offering a compelling package for enthusiasts seeking exclusivity without sacrificing practicality. While the modifications come at a premium, the comprehensive nature of the upgrades and attention to detail justify the investment for discerning buyers seeking a unique driving experience.