BMW 3 Series 1985 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: 3 Series Year: 1985 Codes Chassis Code: E30 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, classic car...

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标签: 1985 3 Series BMW Car Cars Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

3 Series

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Compact Executive Sedan/Coupe/Convertible

Target Audience:

Enthusiasts, DIY mechanics, classic car restorers

Competitive Analysis

Competitors 1985:

Mercedes-Benz 190E, Audi 4000S, Alfa Romeo Milano, Saab 900

Key Features

Driving Dynamics:

Renowned for its sporty handling and rear-wheel-drive dynamics

Build Quality:

Reputation for solid German engineering and durable construction

Design Icon:

Classic E30 design, considered an automotive icon

📋 Manual Details

Coverage Areas

Markets Covered:

North America, Europe

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Full Service Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF), Printable

📖 Manual Coverage

Systems Covered

Engine Overhaul:

Complete engine rebuild procedures for all gasoline variants

Fuel System:

EFI, fuel pumps, injectors, lines, diagnostics

Ignition System:

Distributor, ignition coils, spark plugs, timing

Cooling System:

Radiator, water pump, thermostat, hoses, fan clutch

Exhaust System:

Catalytic converter, mufflers, pipes, emissions control

Transmission Manual:

Gearbox overhaul, clutch replacement, shift linkage adjustment

Transmission Automatic:

Fluid changes, basic diagnostics, shift point adjustments

Drivetrain:

Driveshaft, CV joints, rear differential

Suspension Front:

MacPherson struts, control arms, bushings, alignment

Suspension Rear:

Semi-trailing arms, shock absorbers, springs, alignment

Steering System:

Power steering pump, rack and pinion, tie rods

Brake System:

Front discs, rear drums/discs, ABS (if equipped), master cylinder, calipers

Electrical System Main:

Wiring diagrams, fuses, relays, battery, alternator, starter

Lighting System:

Headlights, taillights, interior lighting, switches

HVAC System:

Blower motor, heater core, A/C compressor, refrigerant, controls

Body Interior:

Seats, door panels, dashboard, trim removal/installation

Body Exterior:

Body panels, bumpers, windows, seals, rust repair

Troubleshooting Guides:

Diagnostic flowcharts for common problems

Procedures Included

Preventative Maintenance:

Oil changes, filter replacements, fluid checks, tune-ups

Repair Procedures:

Step-by-step instructions for component replacement and repair

Rebuilding Instructions:

Detailed guidance on rebuilding engines, transmissions, and other major components

Refurbishment:

Guidance on restoring worn components and cosmetic elements

Restoration:

Comprehensive guidance for bringing vehicles back to original specifications

Diagnostics:

Methods for identifying and resolving mechanical and electrical issues

Technical Depth

Depth Level:

Comprehensive, from basic maintenance to full engine/transmission rebuilds

Diagnostic Scope:

Advanced diagnostic procedures and fault code interpretation

Torque Specs:

Detailed torque specifications for all fasteners

Clearances:

Engine component clearances, valve lash adjustments

Wiring Diagrams:

High-quality, detailed electrical wiring diagrams for all systems

📊 Manual Specifications

File Format

File Type:

Searchability:

Text-searchable PDF for quick information retrieval

Print Quality

Image Resolution:

High-resolution for clear diagrams and images

Binding Type

Binding:

N/A (Digital format)

Paper Type

Paper Quality:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Code Common:

M10 (4-cylinder), M20 (6-cylinder)

Displacement M10:

1.8L (1766cc)

Horsepower M10:

101-105 hp

Torque M10:

100-105 lb-ft

Displacement M20B27:

2.7L (2693cc) ('eta')

Horsepower M20B27:

121-127 hp

Torque M20B27:

170 lb-ft

Displacement M20B25:

2.5L (2494cc) ('i')

Horsepower M20B25:

168-171 hp

Torque M20B25:

164-167 lb-ft

Performance

0 60 Mph 325E:

9.0-10.0 seconds

0 60 Mph 325I:

7.5-8.5 seconds

Fuel System

Fuel Delivery:

Bosch Motronic electronic fuel injection (EFI)

Fuel Type:

Unleaded gasoline (Premium recommended)

🔧 Transmission

Standard

Transmission Type Base:

4-speed Manual

Optional

Transmission Type Optional:

3-speed Automatic (most models), 4-speed Automatic (325e/es)

Features

Clutch Type:

Single dry plate, hydraulically actuated

Gear Ratios:

Detailed ratios for each transmission available in manual

📐 Dimensions

Exterior

Wheelbase:

100.3 inches (2548 mm)

Length:

170.3 inches (4326 mm)

Width:

65.4 inches (1661 mm)

Height:

54.7 inches (1390 mm)

Weights

Curb Weight:

2500-2900 lbs (1134-1315 kg) depending on model and options

Gross Vehicle Weight Rating:

Included in manual

🛡️ Safety Features

Ratings

NHTSA Ratings 1985:

Not rated or not available for this model year by modern standards

Active Features

Optional on some models (e.g., 325i)

Passive Features

Seatbelts:

3-point front seatbelts, 2-point rear lap belts

Crumple Zones:

Front and rear crumple zones designed into the chassis

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM/Cassette player, optional premium sound systems

Driver Assistance

Cruise Control:

Available on most models

Limited Slip Differential:

Optional on M3, limited slip differential (LSD) available on some other models

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000-7,500 miles (or as per specific engine recommendation in manual)

Tune Up Interval:

Every 30,000 miles for spark plugs and inspection

Timing Belt Replacement:

Critical for M20 engines; typically every 60,000 miles (detailed procedure in manual)

Fluid Specifications

Engine Oil Type:

API SG, SAE 15W-40 or 20W-50 (check manual for specific viscosity based on temperature)

Coolant Type:

BMW Blue Coolant or equivalent ethylene glycol-based antifreeze (50/50 mix)

Brake Fluid Type:

DOT 3 or DOT 4

Transmission Fluid Manual:

API GL-4, SAE 75W-90 or 80W-90

Transmission Fluid Automatic:

Dexron II or equivalent

Known Issues

Rust Prone Areas:

Fender arches, rocker panels, battery tray, rear window seal area

Engine Oil Leaks:

Valve cover gasket, oil pan gasket, front and rear main seals common

Cooling System Failures:

Cracked plastic radiator end tanks, failing water pumps, aged hoses

Suspension Wear:

Worn control arm bushings, sway bar links, rear trailing arm bushings (RTABs)

Fuel System Issues:

Clogged injectors, failing fuel pumps, deteriorating fuel lines

Electrical Gremlins:

Corroded grounds, failing headlight switches, intermittent gauge issues

Dashboard Cracks:

Common for dashboards to crack due to sun exposure

📚 Vehicle History

Brand Heritage

Bmw Philosophy:

'The Ultimate Driving Machine' focus on performance and driver engagement

Model Evolution

E30 Introduction:

Introduced in 1982, replacing the E21 3 Series

1985 Updates:

Introduction of the 325e ('eta') model with the M20B27 engine, potential minor cosmetic tweaks.

Production

Production Period:

1982-1994 (E30 generation)

Manufacturing Locations:

Germany

🏆 Awards & Recognition

Recognitions

Automotive Publications:

Consistently praised by automotive press for driving dynamics and build quality

Collectible Status:

Highly regarded as a modern classic and desirable collectible