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BMW

BMW 320 320i 1975-1984 Workshop Service Manual for Repair

BMW 320 320i 1975-1984 Workshop Service Manual for Repair

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Vehicle data plateRef 418893
Brand
BMW
Vehicle
Tractors
Models covered
320, 320i, Agriculture, Case
Years
1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you โ€” re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
๐Ÿท๏ธ Basic Information
Identification
Make:
BMW
Model:
320 / 320i
Generation
Generation Code:
E21
Codes
Chassis Codes:
E21
๐Ÿ‘‹ Introduction
Market Position
Market Segment:
Compact Executive / Sports Sedan
Competitive Analysis
Key Competitors:
Mercedes-Benz W123, Audi 80/Fox, Alfa Romeo Alfetta, Volvo 240 Series
Key Features
Vehicle Characteristics:
Rear-wheel drive, sporting dynamics, refined engineering, practical yet luxurious interior, German build quality.
Manual Value Proposition
Target Audience:
DIY enthusiasts, professional mechanics, owners seeking to maintain and repair their classic BMW.
๐Ÿ“‹ Manual Details
Coverage Areas
Model Years Covered:
1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984
Page Count
Page Count:
910
Manual Type
Manual Type:
Workshop Service Manual / Repair Manual
Language
Language:
English
Format
Format:
PDF
๐Ÿ“– Manual Coverage
Systems Covered
Engine Mechanical:
Yes
Engine Management Fuel Injection:
Yes
Transmission Manual:
Yes
Transmission Automatic:
Yes
Drivetrain Rear Axle:
Yes
Suspension Front:
Yes
Suspension Rear:
Yes
Steering System:
Yes
Braking System Front:
Yes
Braking System Rear:
Yes
Fuel System:
Yes
Cooling System:
Yes
Ignition System:
Yes
Electrical System Starter Alternator:
Yes
Lighting System:
Yes
Instrumentation Gauges:
Yes
Body Exterior:
Yes
Body Interior:
Yes
HVAC System:
Yes
Diagnostic Procedures:
Yes
Procedures Included
Routine Maintenance:
Yes
Troubleshooting:
Yes
Removal Installation:
Yes
Disassembly Assembly:
Yes
Adjustments:
Yes
Component Overhaul:
Yes
Tightening Torques:
Yes
Special Tool Usage:
Yes
Wiring Diagrams:
Yes
Schematics:
Yes
Technical Depth
Depth Of Information:
Comprehensive, bumper-to-bumper repair procedures, detailed explanations, and pictorial diagrams.
๐Ÿ“Š Manual Specifications
File Format
File Format:
PDF
Print Quality
Printability:
Yes, all pages are printable.
Binding Type
Binding Type:
Digital (PDF)
Paper Type
Paper Type:
Not Applicable (Digital File)
Software Requirements
Required Software:
Adobe Reader
Compatibility
Operating Systems:
Windows, Mac, Linux OS
โš™๏ธ Engine Specifications
Primary Engine
Engine Code 320I:
M10 (4-cylinder, single overhead camshaft)
Engine Displacement 320I:
1.8 Liters (1766 cc)
Fuel System 320I:
Bosch L-Jetronic Fuel Injection
Horsepower 320I Early:
Approx. 105-110 hp (depending on market and specific year)
Torque 320I Early:
Approx. 150-155 Nm (depending on market and specific year)
Engine Variants Covered
320 (Carbureted):
Yes (likely covered, check manual specifics for fuel delivery system details)
Performance
Engine Construction:
Cast iron block, aluminum cylinder head.
Fuel System
Carburetor Variants:
Likely Solex or Zenith carburetors for non-i models.
๐Ÿ”ง Transmission
Standard
Standard Transmission Type:
4-speed Manual
Optional
Optional Transmission Type:
3-speed Automatic (ZF)
Features
Clutch Type:
Single dry plate, hydraulically actuated.
๐Ÿ“ Dimensions
Exterior
Wheelbase:
Approx. 2570 mm (101.2 in)
Length:
Approx. 4375 mm (172.2 in)
Width:
Approx. 1610 mm (63.4 in)
Height:
Approx. 1380 mm (54.3 in)
Weights
Curb Weight:
Approx. 1150-1250 kg (depending on equipment)
Wheel Bolt Pattern:
4x100mm
Wheel Size Standard:
13-inch (often steel wheels with hubcaps)
๐Ÿ›ก๏ธ Safety Features
Ratings
Safety Era Considerations:
Reflects safety standards of the late 1970s and early 1980s; lacks modern active safety features.
Passive Features
Seatbelts:
Standard front seatbelts, often lap and shoulder belts.
Structural Integrity:
Monocoque construction with crumple zones.
๐Ÿ’ก Technology Features
Infotainment
Infotainment System:
Basic AM/FM radio, optional cassette player. Analog gauges.
Driver Assistance
Driver Assistance Features:
None; focused on driver engagement and mechanical feedback.
Connectivity
Connectivity Features:
None.
๐Ÿ”ง Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000-7,500 miles or annually (refer to manual for exact BMW recommendations).
Tune Up Interval:
Spark plugs, filters, and basic checks at intervals like 15,000-30,000 miles.
Fluid Specifications
Engine Oil Type:
Refer to manual for specific viscosity (e.g., 20W-50, 10W-40 depending on climate and oil technology of the era).
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50).
Transmission Fluid Manual:
GL-4 gear oil (e.g., SAE 75W-90 or 80W-90).
Transmission Fluid Automatic:
Dexron II or equivalent automatic transmission fluid.
Brake Fluid Type:
DOT 3 or DOT 4.
Known Issues
Rust Prone Areas:
Wheel arches, rocker panels, floor pans, strut towers, battery tray.
Fuel System Issues:
Aging fuel lines, leaky fuel pumps, clogged injectors (for L-Jetronic models), carburetor issues.
Cooling System Wear:
Radiator leaks, deteriorating hoses, failing water pumps.
Electrical System Aging:
Corroded connections, failing relays, worn wiring insulation.
Suspension Wear:
Worn control arm bushings, ball joints, tie rod ends, shock absorbers.
Brake Component Wear:
Worn brake pads and rotors, seizing calipers, aging brake lines.
๐Ÿ“š Vehicle History
Brand Heritage
Bmw History:
BMW, known for performance and engineering, established itself as a premium automotive manufacturer with a focus on driving dynamics.
Model Evolution
E21 Launch Purpose:
Introduced as BMW's entry-level model to compete in the growing compact executive segment.
E21 Design Influence:
Featured BMW's signature kidney grille and Hofmeister kink. Early models had a distinct front end design that evolved slightly over its production run.
Production
Production Years:
1975-1983
Manufacturing Locations:
Germany
๐Ÿ† Awards & Recognition
Recognitions
Historical Acclaim:
Generally well-regarded for its driving dynamics and build quality in its era, setting a benchmark for compact luxury sports sedans.

Delivery & file format

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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