The BMW 7 Series E23 735i was produced from 1979 to 1986 and marked a significant evolution in luxury sedan design. Here's an in-depth overview of its key features:
Design and Dimensions:
- The E23 chassis, which underpinned the 7 Series for this generation, was characterized by a long hood and short rear deck.
- Overall length was 5,075 mm (200.2 in), width at 1,800 mm (70.9 in) with a height of 1,425 mm (56.1 in).
- Wheelbase measured 3,025 mm (118.8 in).
Interior and Comfort:
- The interior featured luxurious materials such as wood trim, leather upholstery, and Alcantara.
- Seats were known for their comfort, featuring adjustable lumbar support and a comprehensive ergonomic design that prioritized passenger well-being.
Engine Options:
- Initially, the 735i was powered by a 3.0-liter M30 inline-six engine, producing 185 horsepower (136 kW) at 5,500 rpm.
- The M30B35 variant produced 220 horsepower (163 kW), providing enhanced performance for those desiring more power without the added complexity of turbocharging.
Transmission and Drivetrain:
- Transmission options included a 4-speed manual and 3-speed automatic.
- In its early years, the E23 utilized a rear-wheel drive configuration; from 1981 onwards, an option for all-wheel drive (xDrive) became available with certain engine and transmission combinations.
Safety Features and Innovations:
- The 7 Series was among the first to integrate electronic safety features into standard production models.
- Innovations included an onboard computer system that monitored various parameters and provided real-time feedback to drivers, a comprehensive airbag system (optional), and the incorporation of safety-focused technologies such as anti-lock braking systems (ABS) which became available later in its production run.
Performance:
- The M30B35-powered 735i boasted exceptional performance for its class, with acceleration from 0 to 100 km/h (0-62 mph) taking just about 7 seconds.
- The high-performance variants allowed drivers to enjoy thrilling experiences on winding roads or during spirited driving sessions, making the 7 Series one of the most formidable luxury sedans available at that time.
Legacy:
- The E23 generation 735i played a pivotal role in solidifying the BMW 7 Series as a leader among luxury vehicles, showcasing both the brand's commitment to performance and its understanding of what passengers value most in terms of comfort, safety, and style.
- Its advanced technologies and forward-thinking design set new standards within the industry, influencing many subsequent models from not only BMW but also other manufacturers.
Overall, the BMW 7 Series E23 735i stands as a testament to BMW's innovative spirit and dedication to producing high-quality vehicles that have come to define luxury motoring.