The BMW 535i (E28) Automatic, produced between 1985 and 1987, represented a compelling blend of performance and luxury within the second generation of the BMW 5 Series. Positioned as a mid-range offering in the E28 lineup, it slotted between the more economical 525e and the high-performance M5. This variant aimed to provide a refined driving experience with a significant power upgrade over the ‘e’ models, while remaining more accessible than the track-focused M5. The E28 generation, built on BMW’s New Class platform, established the 5 Series as a benchmark for sporting sedans, and the 535i Automatic continued this tradition with its sophisticated engineering and comfortable appointments.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series (E28) |
| Type | 535i (192 Hp) Automatic |
| Start of production | 1985 |
| End of production | 1987 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Power | 192 Hp @ 5400 rpm |
| Power per litre | 56 Hp/l |
| Torque | 290 Nm @ 4000 rpm / 213.89 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M30 |
| Engine displacement | 3430 cm3 / 209.31 cu. in. |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 92 mm / 3.62 in. |
| Piston Stroke | 86 mm / 3.39 in. |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 5.75 l / 6.08 US qt | 5.06 UK qt |
| Coolant | 12 l / 12.68 US qt | 10.56 UK qt |
| Trunk (boot) space – minimum | 460 l / 16.24 cu. ft. |
| Fuel tank capacity | 70 l / 18.49 US gal | 15.4 UK gal |
| Length | 4620 mm / 181.89 in. |
| Width | 1700 mm / 66.93 in. |
| Height | 1415 mm / 55.71 in. |
| Wheelbase | 2625 mm / 103.35 in. |
| Front track | 1430 mm / 56.3 in. |
| Rear (Back) track | 1470 mm / 57.87 in. |
| Ride height (ground clearance) | 152 mm / 5.98 in. |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 3 gears, automatic transmission |
| Front brakes | Disc |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The heart of the 535i Automatic is BMW’s M30 inline-six engine, specifically the 3.4-liter (3430cc) variant. This engine, designated as the M30B34, was a significant upgrade over the 2.7-liter engine found in the 525e. It featured a cast iron block and an aluminum cylinder head, employing a single overhead camshaft (SOHC) design with two valves per cylinder. The M30 engine was renowned for its smoothness and durability. Fuel delivery was managed by Bosch Motronic multi-port fuel injection, providing precise control over the air-fuel mixture. The automatic transmission was a 3-speed unit, offering smooth but not particularly rapid shifts. This transmission was chosen to provide a more relaxed driving experience compared to the available 5-speed manual.
Driving Characteristics
The 535i Automatic offered a distinctly different driving experience compared to its manual counterpart or the 525e. While the automatic transmission dulled acceleration slightly, it provided a level of convenience that appealed to many buyers. The 192 horsepower and 290 Nm (214 lb-ft) of torque provided ample power for comfortable highway cruising and confident passing maneuvers. The 3-speed automatic’s gear ratios were optimized for fuel economy and smooth operation, rather than outright performance. Compared to the 525e, the 535i felt significantly more responsive, with a broader powerband and a more willing engine. The M5, with its higher-revving engine and closer gear ratios, offered a much more aggressive and sporty driving experience, but at the cost of everyday usability.
Equipment & Trim Levels
The 535i Automatic came standard with a relatively comprehensive list of features for its time. Interior appointments typically included cloth upholstery, although leather was available as an option. Power windows, central locking, and a sunroof were common features. The dashboard layout was typical of BMW’s E28 design, with a clear and functional arrangement of gauges and controls. Optional extras included upgraded sound systems, air conditioning, and a limited-slip differential, which enhanced handling performance. The trim level was generally consistent across the 535i models, with options allowing for personalization.
Chassis & Braking
The E28 5 Series featured a robust chassis with independent suspension at all four wheels. The front suspension utilized MacPherson struts, while the rear employed a semi-trailing arm design. The 535i Automatic benefited from a slightly stiffer suspension setup compared to the 525e, to better manage the increased power. Braking duties were handled by disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) was available as an option, enhancing safety in slippery conditions. Stabilizer bars were fitted front and rear, further improving handling stability.
Market Reception & Comparison
The 535i Automatic was generally well-received by automotive critics. It was praised for its smooth engine, comfortable ride, and refined interior. However, some reviewers noted that the automatic transmission detracted slightly from the car’s overall performance potential. Compared to the 525e, the 535i was considered a significant step up in terms of power and driving enjoyment. Against the M5, it offered a more practical and affordable alternative, albeit with less outright performance. Fuel economy was reasonable for a vehicle of its size and performance, although it was not as fuel-efficient as the 525e.
Legacy
The BMW E28 535i Automatic has become a sought-after classic among BMW enthusiasts. The M30 engine is known for its reliability and longevity, and well-maintained examples can still provide years of enjoyable driving. The automatic transmission, while not as desirable as the manual for some, remains a reliable unit. Today, these cars are often found in the hands of collectors and enthusiasts who appreciate their classic styling, robust engineering, and engaging driving experience. Finding a rust-free example is a key consideration, as corrosion can be a significant issue with older E28s. The 535i Automatic represents a sweet spot in the E28 lineup, offering a compelling combination of performance, luxury, and practicality.
