🏷️ Basic Information

Make:

BMW

Model:

318i

Chassis Code:

E30

Covered Years:

1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991

Generation Code:

E30

Generation Years:

1982-1994 (global, E30 platform)

👋 Introduction

Segment:

Compact Executive Sedan/Coupe/Convertible

Target Demographic:

Enthusiasts seeking a sporty, reliable, and well-built European automobile.

Competitors:

Mercedes-Benz W201 (190E), Audi 80/90, Alfa Romeo 75, Volvo 240, Saab 900

Design Philosophy:

Classic BMW driving dynamics, build quality, and understated elegance.

Manual Value:

Essential for maintaining the longevity and performance of the E30 platform.

📋 Manual Details

Market:

Global (likely US-centric for common specifications, but comprehensive for E30 platform)

Manual Type:

Workshop Service and Repair Manual

Estimated Pages:

1000+

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Powertrain:

Engine, Fuel System, Cooling System, Exhaust System, Drivetrain (Transmission, Driveshafts)

Chassis:

Suspension (Front & Rear), Steering System, Brakes (Hydraulic & Parking), Wheels & Tires

Electrical:

Battery, Charging System, Ignition System, Lighting, Instrumentation, Wiper/Washer, Horn, Power Accessories, ECU Diagnostics

Body:

Body Panels, Doors, Windows, Seats, Interior Trim, Body Sealing, Paint

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, lubrication

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting for various systems

Repair:

Component removal, disassembly, inspection, repair, reassembly, and installation for most systems

Adjustments:

Valve adjustments, idle speed settings, brake adjustments

Diagnostics:

Basic electrical checks, fuel pressure testing, ignition timing verification, fault code reading (where applicable)

Depth:

Comprehensive: Covers everything from routine maintenance and adjustments to major component overhauls and in-depth diagnostics.

Target Audience:

Professional technicians and experienced DIY mechanics

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for quick access to information

Printability:

Printable pages for in-workshop use

Resolution:

High-resolution images and diagrams

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

M10 (specific variants apply, e.g., M10B18)

Engine Type:

Inline 4-cylinder, SOHC (Single Overhead Camshaft)

Displacement:

1.8 Liters (1766 cc)

Horsepower Range:

Approximately 100-105 hp @ 5800-6000 rpm (depending on specific market and tuning)

Torque Range:

Approximately 103-106 lb-ft @ 3250-3700 rpm (depending on specific market and tuning)

Fuel Delivery:

Bosch L-Jetronic or Motronic fuel injection

Fuel Type:

Unleaded gasoline (Octane rating specified in manual)

Coolant Type:

Ethylene Glycol based coolant (BMW recommends specific formulation)

Coolant Capacity:

Approx. 7.0 Liters (14.8 US pints)

Oil Type:

Refer to manual for specific viscosity (e.g., 15W-40, 20W-50 often recommended for M10 engine)

Oil Capacity:

Approx. 4.5 Liters (9.5 US pints) with filter change

Ignition Type:

Electronic ignition with distributor

🔧 Transmission

Transmission Type:

4-speed manual transmission

Transmission Type:

3-speed automatic transmission (ZF 3HP22)

Clutch Type:

Dry single-plate clutch

Manual Fluid Type:

GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90)

Automatic Fluid Type:

Dexron III (or equivalent ATF)

📐 Dimensions

Length:

Approx. 4357 mm (171.5 in) for Sedan

Width:

Approx. 1676 mm (66.0 in)

Height:

Approx. 1380 mm (54.3 in) for Sedan

Curb Weight:

Approx. 1200 kg (2645 lbs) for Sedan

Gross Vehicle Weight:

Refer to vehicle plate or manual for specific GVWR

Trunk Capacity:

Approx. 425 Liters (15.0 cu ft) for Sedan

🛡️ Safety Features

Crash Test Data:

No standardized NHTSA/IIHS ratings for this era in the modern sense. Refer to manual for BMW's internal safety design principles.

Brakes:

Front: Ventilated Disc; Rear: Disc. ABS available on later models/options.

Steering:

Recirculating ball steering, power steering optional/standard depending on market and trim.

Seatbelts:

3-point front seatbelts, rear seatbelts (lap belts in some early models).

Body Construction:

Reinforced safety cell, crumple zones.

💡 Technology Features

Audio System:

Factory-installed AM/FM radio with cassette player, often with upgraded speaker options.

Display:

Basic analog gauges for speed, RPM, fuel, and temperature. Warning lights for system status.

ABS:

Anti-lock Braking System (ABS) was an optional feature, more common on later production years.

Telematics:

None (This era predates modern telematics and infotainment systems.)

Power Features:

Optional power windows, mirrors, and central locking.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or annually, refer to manual for precise recommendation.

Air Filter Replacement:

Every 15,000-20,000 miles (24,000-32,000 km) or as needed based on driving conditions.

Spark Plug Replacement:

Every 20,000-30,000 miles (32,000-48,000 km), depending on plug type.

Brake Fluid:

DOT 3 or DOT 4 (refer to manual for exact specification and change interval)

Coolant:

Ethylene Glycol based, typically a 50/50 mix with distilled water.

Common Wear Items:

Fuel pump, fuel injectors, ignition components (coil, distributor cap/rotor), rear subframe bushings, cooling system components (radiator, hoses), front control arm bushings.

Engine Performance:

M10 engine can develop oil leaks from the front crank seal or valve cover gasket.

Electrical Systems:

Wiring harness degradation, faulty grounds, and aged electrical connectors are common.

Chassis Integrity:

Rust is a significant concern, particularly in the sills, wheel arches, and rear shock towers.

Parts Source:

Many OEM and aftermarket parts are still available, but some specific components may be scarce.

📚 Vehicle History

Bmw Legacy:

BMW is renowned for its 'Ultimate Driving Machine' slogan, emphasizing performance, engineering, and driver engagement.

E30 Introduction:

The E30 generation, launched in 1982, succeeded the E21 and became one of BMW's most iconic and successful models, defining the compact executive segment.

318I Positioning:

The 318i represented the entry-level performance offering within the E30 range, offering a balance of efficiency and driving pleasure.

Production Period:

1983-1991 for the 318i model within the E30 lifecycle.

Manufacturing Locations:

Primarily Germany (Munich, Dingolfing), but also South Africa and other assembly plants globally.

🏆 Awards & Recognition

Critical Acclaim:

The E30 platform, including the 318i, was widely praised for its handling, build quality, and driver-focused design, earning numerous accolades from automotive publications during its production run.

Collectibility:

Highly regarded by enthusiasts, with certain E30 models (like M3 and Alpina variants) achieving collector status. The 318i is appreciated for its purity and balance.

Driving Dynamics:

Consistently ranked among the best-handling cars of its era.