The BMW 3 Series E21 was a compact executive car produced from 1975 to 1982. It was the first generation of the iconic 3 Series and marked a significant departure from its predecessor, the 02 series.
Design and Features:
- Length: 4,420 mm (173.6 in)
- Width: 1,644 mm (64.7 in)
- Height: 1,365 mm (53.7 in)
- Wheelbase: 2,532 mm (99.7 in)
- Track: 1,435 mm (56.5 in) front and rear
- Curb weight: approximately 1,100 kg (2,425 lb)
The E21 featured a sleek, aerodynamic body with a distinctive "hump" on the rear deck lid, which was designed to improve stability at high speeds. The interior was more spacious than its predecessor, with a focus on comfort and amenities such as air conditioning, central locking, and power windows.
Engine and Performance:
- Engine options included:
- 1.6L M49 (85 HP)
- 2.0L M102 (100 HP)
- 2.5L M20 (138 HP)
- 2.8L M50 (143 HP) in the high-performance 323i model
- Transmission options included:
- 4-speed manual
- 3-speed automatic
- 5-speed Getrag manual in some markets
The E21 was praised for its agile handling and responsive steering, making it a joy to drive on twisty roads. The 2.8L M50 engine in the 323i model was particularly notable for its performance and refinement.
Safety and Technology:
- In 1977, BMW introduced the "Active" suspension system, which featured adaptive shock absorbers that adjusted to changing road conditions.
- A driver's airbag became available as an option from 1981.
The E21 was also equipped with a range of innovative safety features, including anti-lock braking (ABS) and traction control. However, these systems were not yet widely adopted by other manufacturers at the time.
Sales and Legacy:
- Over 500,000 units were produced during its production run.
- The E21 was praised for its driving dynamics, comfort, and style, establishing a reputation that would be built upon by subsequent generations of the 3 Series.
- In 1982, it was replaced by the E30 generation, which continued to build on the successes of the E21.
Overall, the BMW 3 Series E21 was an important milestone in the development of compact executive cars and cemented the reputation of the 3 Series as a driver's car.
