BMW 1 Series 1982-2007 Factory Service Repair Manual

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Type: Car

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Sku: 125433

Tags: 1 Series 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 BMW Car Cars

Product variants

Description

The BMW 1 Series, encompassing the E81 (3-door hatchback), E82 (coupe), and E87 (5-door hatchback) chassis codes, represents BMW's entry into the premium compact segment. Produced from 1982 to 2007, these vehicles are celebrated for their rear-wheel-drive platform, balanced chassis, and sporty driving dynamics, embodying BMW's legacy. Offering a range of efficient inline-4 and inline-6 gasoline and diesel engines, including turbocharged variants, the 1 Series provides a premium driving experience with refined interiors and advanced technology. This comprehensive Factory Service and Repair Manual provides in-depth technical information for the BMW 1 Series. It covers all essential systems, including engine mechanicals, fuel injection, ignition, emissions control, transmissions (manual and automatic), brakes, suspension, steering, and the complete electrical system. Detailed procedures for routine maintenance, complex repairs, and diagnostics are included, along with troubleshooting guides for known issues such as timing chain wear on N47 diesel engines and fuel system components on N54 twin-turbo gasoline engines. The manual is designed to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing these vehicles with accuracy and efficiency.

🏷️ Basic Information

Identification

Make:

Model:

1 Series

Generation

First Generation Codes:

E81 (3-door hatchback), E82 (coupe), E87 (5-door hatchback)

Codes

Covered Chassis Codes:

E81, E82, E87

Covered Engine Codes:

N43B16 (116i), N43B20 (118i, 120i), N47D20 (118d, 120d), M54B30 (130i), N54B30 (135i, 135is), N57D30 (123d)

👋 Introduction

Market Position

Segment:

Compact premium hatchback and coupe

Competitive Analysis

Key Competitors:

Volkswagen Golf, Audi A3, Mercedes-Benz A-Class (depending on market and specific model year comparisons within the broader range)

Key Features

Engineering Philosophy:

Rear-wheel drive platform (primarily for early models), balanced chassis, premium interior appointments, sporty driving dynamics.

Manual Advantage:

Provides dealer-level diagnostic and repair information, enabling independent mechanics and DIY enthusiasts to perform complex tasks accurately.

📋 Manual Details

Coverage Areas

Covered Years:

1982-2007

Covered Models And Trims:

1 Series E81 (118d, 118i, 120d, 120i, 130i), E82 (120d, 123d, 135is), E87 (116i, 118d, 118i, 120d, 120i, 130i)

Page Count

Estimated Page Count:

Extensive (typically 2000+ pages for comprehensive factory service manuals)

Manual Type

Type:

Factory Service and Repair Manual

Language

Language:

English

Format

Format:

Digital (likely PDF or proprietary software)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing system, lubrication system, cooling system, intake and exhaust manifolds

Engine Management:

Fuel injection, ignition system, emissions control, engine control unit (ECU) diagnostics and programming

Transmission:

Manual transmission (Getrag, ZF), Automatic transmission (Steptronic), clutch system, drivetrain components (driveshafts, differentials)

Brakes:

Hydraulic system, ABS, DSC, brake calipers, rotors, pads, parking brake, brake fluid specifications

Suspension And Steering:

Front and rear suspension components (struts, shocks, control arms, bushings), steering system (rack and pinion, power steering fluid)

Electrical System:

Battery, alternator, starter, wiring diagrams, fuses, relays, lighting systems, body control module (BCM)

Body And Interior:

Body panels, doors, windows, locks, seating, climate control system, airbags

Diagnostic Troubleshooting:

Fault codes, symptom-based diagnostics, component testing procedures

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement

Repair And Rebuild:

Engine overhaul, transmission repair, brake system service, suspension component replacement, electrical component repair

Diagnostics:

Step-by-step troubleshooting guides for common and complex issues

Technical Service Bulletins:

Inclusion of official manufacturer bulletins addressing known issues and solutions

Technical Depth

Depth Of Information:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and component specifications.

📊 Manual Specifications

File Format

Digital Format Details:

Likely a high-resolution PDF with searchable text, allowing for quick access to specific information. May also be available as proprietary software.

Print Quality

Image Quality:

High-quality, clear illustrations and diagrams essential for accurate repair procedures.

Binding Type

Binding Type:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

116I (E87):

1.6L Inline-4, ~115 hp, Port Injection

118I (E87/E81):

2.0L Inline-4, ~143 hp, Direct Injection (N43)

120I (E87/E81):

2.0L Inline-4, ~170 hp, Direct Injection (N43)

130I (E87/E81):

3.0L Inline-6, ~265 hp, Direct Injection (N52)

118D (E87/E81):

2.0L Inline-4 Turbo Diesel, ~143 hp, Common Rail Direct Injection (N47)

120D (E87/E81):

2.0L Inline-4 Turbo Diesel, ~177 hp, Common Rail Direct Injection (N47)

123D (E82):

2.0L Inline-4 Twin-Turbo Diesel, ~204 hp, Common Rail Direct Injection (N47)

135I/135Is (E82):

3.0L Inline-6 Twin-Turbo, ~300-320 hp, Direct Injection (N54/N55)

Performance

Torque Curves:

Manual covers detailed torque figures and characteristic curves for each engine variant.

Fuel System

Fuel Delivery:

High-pressure direct injection for gasoline engines, common rail direct injection for diesel engines.

🔧 Transmission

Standard

Standard Transmission:

Manual gearbox (e.g., 6-speed Getrag GS6-37BZ for many models)

Optional

Optional Transmission:

Automatic transmission (e.g., 6-speed Steptronic GA6HP19Z)

Features

Clutch Specifications:

Includes details on clutch assembly, hydraulic actuation, and release bearing.

Transmission Fluid:

Specific BMW approved transmission fluid types and capacities for both manual and automatic transmissions.

📐 Dimensions

Exterior

Wheelbase:

Approximately 2660 mm (E87), 2660 mm (E81), 2660 mm (E82)

Overall Length:

Varies by body style: E87 (approx. 4239 mm), E81 (approx. 4319 mm), E82 (approx. 4472 mm)

Weights

Curb Weight:

Varies significantly by engine and drivetrain, generally ranging from 1350 kg to 1600 kg.

🛡️ Safety Features

Ratings

Euro Ncap Results:

Typically achieved high safety ratings, often 5-star for adult occupant protection in Euro NCAP testing for models within this generation.

Active Features

Dynamic Stability Control:

DSC (Dynamic Stability Control) is a standard or optional feature covered in detail for troubleshooting and calibration.

Anti Lock Braking System:

ABS (Anti-lock Braking System) operation and diagnostics.

Passive Features

Airbag Systems:

Comprehensive coverage of front, side, and curtain airbags, including deployment sensors and control modules.

💡 Technology Features

Infotainment

I Drive System:

Coverage for the iDrive infotainment system, including navigation, radio, and climate control integration (depending on vehicle specification).

Driver Assistance

Parking Sensors:

Installation, troubleshooting, and calibration of front and rear parking assistance systems (PDC).

Connectivity

Bluetooth Preparation:

Details on the integration and troubleshooting of Bluetooth phone connectivity and audio streaming.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 15,000 miles or 12 months, as indicated by the vehicle's Condition Based Service (CBS) system. Manual provides guidance on resetting CBS indicators.

Brake Fluid Flush:

Every 2 years, regardless of mileage.

Spark Plug Replacement:

Varies by engine: Long-life iridium plugs for gasoline engines, often around 60,000-100,000 miles. Manual specifies exact intervals and part numbers.

Fluid Specifications

Engine Oil:

BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) for diesel, depending on engine. Specific viscosity grades (e.g., 5W-30, 5W-40) detailed in manual.

Coolant:

BMW Blue (G48) or Green (original spec) antifreeze, mixed with distilled water. Capacity specified per model.

Power Steering Fluid:

BMW PSF-4 (Pentosin CHF 11S) or equivalent.

Known Issues

N47 Timing Chain:

Potential for premature wear or failure of the timing chain on some N47 diesel engines. Manual provides diagnostic and replacement procedures.

N54 Twin Turbo:

Common issues include fuel injector problems, high-pressure fuel pump (HPFP) failures, and wastegate rattle. Manual details diagnostic tests for these.

E87 Water Pump:

Premature failure of electric water pumps on some models can lead to cooling system issues. Manual outlines testing and replacement.

📚 Vehicle History

Brand Heritage

Bmw Legacy:

BMW's reputation for 'Ultimate Driving Machine' and sporty handling is a key aspect of the 1 Series.

Model Evolution

Introduction Of 1 Series:

The 1 Series was introduced in 2004 as BMW's entry into the premium compact segment, aimed at younger buyers and as a smaller alternative to the 3 Series.

First Generation Development:

Built on a rear-wheel-drive platform, a departure from many competitors who used front-wheel drive. This offered a distinct driving advantage. The E87 (5-door) was the initial launch, followed by the E81 (3-door) and E82 (coupe/convertible).

Production

Manufacturing Locations:

Primarily manufactured in Germany (e.g., Leipzig plant).

🏆 Awards & Recognition

Recognitions

Ward 10 Best Engines:

Several BMW engines used in the 1 Series (especially the inline-6 variants) received 'Ward's 10 Best Engines' awards during this period for their performance and refinement.