🏷️ Basic Information

Make:

BMW

Model:

M535i

Chassis Code:

E28

Model Years Covered:

1985-1988

👋 Introduction

Segment:

Executive sports sedan, positioned as a more performance-oriented variant of the standard E28 5 Series.

Target Audience:

Enthusiasts and owners of the BMW M535i E28 seeking detailed technical information for maintenance, repair, and restoration.

Key Competitors:

Mercedes-Benz 300E/300TE, Audi 200 Quattro, Jaguar XJ6.

Performance Focus:

Emphasized enhanced driving dynamics, a more potent engine, and sport-tuned suspension compared to standard E28 models.

Manual Value Proposition:

Provides the essential technical documentation to maintain and repair a classic BMW, preserving its performance and value.

Driving Dynamics:

The E28 M535i was lauded for its refined yet sporting driving experience, a characteristic of BMW's performance engineering of the era.

📋 Manual Details

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

Page Count:

Hundreds of pages (specific count not provided, but implies comprehensive coverage)

Diagnostic Tools:

Coverage includes identification and use of basic diagnostic tools and procedures for the era, referencing specific test procedures for engine and electrical systems.

📖 Manual Coverage

Engine:

Detailed engine overhaul, including M30 engine variants specific to the M535i, cylinder head, block, lubrication, cooling, fuel injection (Bosch L-Jetronic/Motronic variations).

Transmission:

Service and repair of manual and automatic transmissions, including clutch, gearbox overhaul, driveshafts, and differential.

Brakes:

Diagnosis, repair, and maintenance of the braking system, including front and rear discs, ABS (where applicable), brake lines, and master cylinder.

Suspension Steering:

Complete coverage of front and rear suspension components (MacPherson struts, trailing arms), steering rack, power steering system, and wheel alignment procedures.

Electrical System:

In-depth electrical troubleshooting, wiring diagrams for all systems, charging system, ignition, lighting, instruments, and auxiliary electrics.

Bodywork Chassis:

Body panel removal and installation, interior trim, glass, seals, structural repairs, and rust prevention.

HVAC:

Air conditioning system service, heating system, ventilation, and climate control components.

Fuel Tank System:

Fuel pump, filter, fuel lines, and tank removal/installation procedures.

Exhaust System:

Component identification, repair, and replacement of exhaust manifolds, catalytic converters (if fitted), mufflers, and pipes.

Cooling System:

Radiator, fan, water pump, thermostat, hoses, and heater core service.

Lighting System:

Headlights, taillights, interior lighting, and related circuits.

Instrumentation Gauges:

Speedometer, tachometer, fuel gauge, temperature gauge, and warning lights diagnostics.

Maintenance:

Regular maintenance tasks such as oil changes, filter replacements, spark plug service, fluid checks and changes, belt inspections and replacements.

Troubleshooting:

Systematic diagnostic procedures, common fault finding, and solutions for engine, transmission, electrical, and other issues.

Repair Rebuild:

Detailed step-by-step instructions for component removal, repair, and reinstallation, including engine rebuilds and transmission overhauls.

Restoration:

Guidance for refurbishing and restoring various vehicle components, appealing to enthusiasts undertaking comprehensive restorations.

Performance Tuning:

While not a dedicated tuning manual, it provides the foundational knowledge for understanding engine parameters relevant to performance upgrades.

Timing Belt Chain:

As the M30 is a timing chain engine, the manual will cover chain inspection, tensioner, and guides.

Level Of Detail:

Comprehensive, covering everything from basic maintenance to advanced diagnostics and complete unit overhauls, suitable for professional mechanics and dedicated DIY enthusiasts.

Wiring Diagrams:

Extensive and detailed wiring diagrams for all electrical systems, crucial for troubleshooting.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick location of specific information.

Print Quality:

High-resolution, suitable for clear printing of text and diagrams.

Digital Features:

Hyperlinked table of contents for easy navigation.

N A:

Not applicable for PDF format, but implies digital accessibility.

N A:

Not applicable for PDF format.

⚙️ Engine Specifications

Engine Code:

M30B34 (3.4-liter inline-six)

Engine Type:

Naturally Aspirated, SOHC, Inline-Six Cylinder

Displacement:

3.4 Liters (3430 cc)

Horsepower:

Approximately 211 hp (155 kW) at 5700 rpm (European spec), ~189 hp (141 kW) for US spec

Torque:

Approximately 224 lb-ft (305 Nm) at 4000 rpm (European spec), ~214 lb-ft (290 Nm) for US spec

Fuel Delivery:

Bosch L-Jetronic or Motronic fuel injection system.

Fuel Type:

Premium Unleaded Gasoline

Ignition System:

Electronic ignition with distributor.

Idle Control:

Idle control valve (ICV) for managing engine idle speed.

Coolant Type:

BMW approved coolant (e.g., ethylene glycol based) with appropriate corrosion inhibitors.

Oil Capacity:

Approximately 6.5 liters (6.9 US quarts) with filter change.

Recommended Oil Viscosity:

SAE 15W-40 or 20W-50 depending on climate (check manual for specific recommendations).

🔧 Transmission

Transmission Type:

5-speed Getrag manual transmission (e.g., 265 'dogleg' in some performance variants).

Transmission Type:

ZF 4HP22 4-speed automatic transmission.

Clutch Type:

Hydraulically actuated single dry plate clutch.

Differential:

Limited-slip differential (LSD) often an option or standard on performance variants.

Manual Transmission Fluid:

API GL-5, SAE 75W-90 or 80W-90 gear oil (check manual for exact specification).

Automatic Transmission Fluid:

Dexron III (or equivalent DEXRON-II compatible fluid).

📐 Dimensions

Wheelbase:

Approximately 2774 mm (109.2 inches)

Length:

Approximately 4620 mm (181.9 inches)

Width:

Approximately 1700 mm (66.9 inches)

Height:

Approximately 1415 mm (55.7 inches)

Curb Weight:

Approximately 1500-1600 kg (3300-3530 lbs) depending on options.

Wheel Bolt Pattern:

5x120mm

Typical Wheel Size:

15 or 16 inches.

Typical Tire Size:

205/55VR15 or 225/50VR16 (check specific vehicle for exact fitment).

🛡️ Safety Features

N A:

Specific crash test ratings from this era are less standardized than modern vehicles. Consult contemporary reviews or NHTSA/IIHS archives for available data.

ABS:

Anti-lock Braking System (ABS) was an option on later models.

Seatbelts:

Three-point seatbelts with front seatbelt pretensioners.

Headrests:

Adjustable front and rear headrests.

Construction:

Reinforced passenger cell with crumple zones.

💡 Technology Features

Audio System:

Basic AM/FM/Cassette stereo systems, often with upgraded speaker options. Some may have period-correct aftermarket head units.

ABS:

Available ABS on later models, enhancing braking stability.

N A:

No modern connectivity features like Bluetooth or USB. Primarily analogue systems.

🔧 Maintenance

Oil Change:

Every 5,000-7,500 miles or 6-12 months, whichever comes first (depending on driving conditions and oil used). Consult manual for exact BMW recommendations.

Transmission Fluid:

Automatic: 30,000-50,000 miles. Manual: Inspect periodically, change as needed or at high mileage intervals.

Coolant Flush:

Every 2-3 years or 30,000 miles.

Spark Plugs:

Replace every 20,000-30,000 miles (specific type and gap crucial, refer to manual).

Brake Fluid:

DOT 4

Power Steering Fluid:

BMW ATF (or Dexron II/III compatible).

Engine Reliability:

M30 engines are generally robust but can suffer from coolant leaks from the front cover, oil leaks from valve cover and oil pan gaskets, and potential head gasket issues if overheated.

Electrical Gremlins:

Aging wiring harnesses, Bosch Motronic/L-Jetronic component failures (airflow meter, fuel pump relay), and instrument cluster issues are common.

Suspension Wear:

Bushings (control arms, sway bars, trailing arms) are prone to wear, leading to vague handling and uneven tire wear.

Rust Areas:

Common areas include wheel wells, rocker panels, rear trailing arm mounts, and battery tray.

Heat Exchanger:

Heater core and auxiliary water pump failures can lead to poor heating performance.

📚 Vehicle History

Bmw Motorsport:

The M535i benefits from BMW's extensive motorsport division experience, translating into enhanced performance and handling.

E28 Generation:

The E28 was the second generation of the BMW 5 Series, produced from 1981 to 1988, succeeding the E12 and preceding the E34. It marked a significant evolution in design and engineering.

M535I Positioning:

The M535i was introduced as a homologation special for motorsport and a performance halo model within the E28 lineup, bridging the gap between the standard 535i and the eventual E28 M5.

Production Years:

1985-1988 (for the E28 M535i)

Manufacturing Locations:

Germany

🏆 Awards & Recognition

N A:

While the E28 generation as a whole received numerous accolades for its driving dynamics and build quality, specific awards for the M535i variant are less documented than for the M5. It was highly regarded in its time as a capable and stylish sports sedan.