Bmw 3 Series E30 318i 325 325e 325es 325i 325is 325i Convert

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🏷️ Basic Information Identification Make: BMW Model: 3 Series (E30) Sub Models Covered: 318i, 325, 325e, 325es, 325i, 325is, 325i Convertible Generation Generation Code: E30 Codes Chassis Code: E30 👋...

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类型: Car

斯库: 565049

标签: 3 Series E30 318i 3 Series E30 325 3 Series E30 325e 3 Series E30 325es 3 Series E30 325i 3 Series E30 325i Convert 3 Series E30 325is BMW Car Cars Misc

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Model:

3 Series (E30)

Sub Models Covered:

318i, 325, 325e, 325es, 325i, 325is, 325i Convertible

Generation

Generation Code:

Codes

Chassis Code:

👋 Introduction

Market Position

Market Segment:

Compact executive sports sedan/coupe/convertible

Era Designation:

Iconic '80s/'90s performance car, renowned for driving dynamics and build quality.

Competitive Analysis

Key Competitors:

Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra XR4i, Opel Monza

Key Features

Driving Dynamics:

Legendary handling, rear-wheel drive, balanced chassis, responsive steering

Build Quality:

Typical BMW robust construction, high-quality materials

Design:

Timeless Giugiaro-influenced styling, clean lines, driver-focused interior

📋 Manual Details

Coverage Areas

Manual Coverage Scope:

Comprehensive service and repair for all listed E30 models

Page Count

Estimated Page Count:

1500+

Manual Type

Manual Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine mechanicals (M10, M20 variants), fuel injection (L-Jetronic, Motronic), ignition, cooling, exhaust, lubrication, emissions control

Transmission Systems:

Manual and automatic transmissions (Getrag 260, ZF 4HP22), clutch, driveline, differentials

Suspension Steering:

Front MacPherson struts, rear semi-trailing arms, springs, dampers, bushings, steering rack, power steering system

Brake Systems:

Front vented discs, rear discs, ABS (optional), brake hydraulics, parking brake

Electrical Systems:

Wiring diagrams, battery, charging system (alternator), starting system, lighting, instruments, sensors, ECUs (DME/Motronic), comfort electronics

Bodywork Chassis:

Body panel removal and installation, chassis structure, rust repair, door mechanisms, glass, trim, convertible top mechanisms

HVAC Climate Control:

Heating, ventilation, air conditioning (if equipped), refrigerant system

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt tensioning, tire rotation

Engine Repair:

Head gasket replacement, valve adjustments, piston ring replacement, bearing replacement, timing belt/chain service (for M20)

Transmission Repair:

Clutch replacement, transmission rebuilds (manual and automatic), torque converter service

Suspension Steering Repair:

Shock absorber and strut replacement, bushing replacement, steering rack rebuild, power steering pump service

Brake Service:

Brake pad and rotor replacement, brake caliper service, hydraulic line replacement, ABS bleeding

Electrical Diagnostics:

Troubleshooting electrical faults, component testing, wiring harness repair, ECU diagnosis

Bodywork Restoration:

Panel alignment, dent repair, rust treatment and panel replacement, convertible top servicing

Troubleshooting Guides:

Step-by-step diagnostics for common and uncommon issues, symptom-based problem solving

Technical Depth

Depth Of Coverage:

Highly detailed, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from basic fluid changes to complete engine and transmission rebuilds.

Diagnostic Procedures:

Includes specific diagnostic trouble codes (DTCs) for applicable ECUs, oscilloscope readings, and component testing specifications.

Torque Specifications:

Comprehensive list of torque values for all critical fasteners, essential for proper assembly and safety.

Wiring Diagrams:

Detailed, high-resolution wiring diagrams for all electrical systems, color-coded and clearly labeled.

Special Tools:

Lists and descriptions of required special tools and equipment for specific repair procedures.

📊 Manual Specifications

File Format

File Type:

Searchability:

Text-searchable PDF for quick information retrieval

Print Quality

Image Resolution:

High-resolution images, diagrams, and schematics suitable for printing

Page Layout:

Designed for clear readability on screen and on printed pages

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Codes:

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

318I Engine Specs:

1.8L M10 Inline-4, Bosch L-Jetronic fuel injection, ~104 hp

325E Engine Specs:

2.7L M20B27 'Eta' Inline-6, Bosch Motronic, focus on torque and economy, ~121-125 hp

325I 325Is Engine Specs:

2.5L M20B25 Inline-6, Bosch Motronic, ~168-171 hp

Performance

Horsepower Range:

104 hp (318i) to 171 hp (325i/is)

Torque Range:

140 Nm (318i) to 225 Nm (325i/is)

Fuel System

Injection Systems:

Bosch L-Jetronic (318i), Bosch Motronic ML4.1/ML4.3/ML6.1 (325e/i/is)

Fuel Type:

Unleaded Gasoline (Premium recommended)

Fuel Pump Type:

Electric, in-tank

🔧 Transmission

Standard

318I Transmission Standard:

4-speed Manual

325E Transmission Standard:

5-speed Manual (Getrag 260)

325I 325Is Transmission Standard:

5-speed Manual (Getrag 260)

Optional

318I Transmission Optional:

3-speed Automatic

325E Transmission Optional:

4-speed Automatic (ZF 4HP22)

325I 325Is Transmission Optional:

4-speed Automatic (ZF 4HP22)

Features

Clutch Type:

Single dry plate (manual)

Differential Type:

Open differential standard; Limited Slip Differential (LSD) optional on 325i/is

Transmission Fluid Spec:

MTF-LT-2 (Manual), ATF Dexron II/III (Automatic) - consult manual for specific part numbers and exact specs

📐 Dimensions

Exterior

Wheelbase:

2570 mm (101.2 in)

Length:

4325 mm (170.3 in)

Width:

1640 mm (64.6 in)

Height:

1370 mm (53.9 in) - 1380 mm (54.3 in) depending on model

Wheel Bolt Pattern:

5x120mm

Wheel Size:

14-inch or 15-inch standard, 16-inch optional/sport models

Weights

Curb Weight Range:

Approx. 1200 kg - 1350 kg (2645 lbs - 2976 lbs)

🛡️ Safety Features

Ratings

Crash Test History:

While NHTSA/Euro NCAP ratings for this specific era are not as standardized as today, the E30 was considered a safe vehicle for its time with a robust unibody structure.

Active Features

Optional on most models, standard on some later 'i' models.

Traction Control:

Not typically available on E30 models

Passive Features

Airbags:

Driver airbag became optional/standard later in the production run; Passenger airbag not available.

Seatbelts:

Three-point front seatbelts, lap belts for rear passengers

Rollover Protection:

Reinforced A-pillars and windshield frame; roll bar sometimes featured on M3 and aftermarket conversions.

💡 Technology Features

Infotainment

Radio System:

Factory Blaupunkt or Bavaria radios, often with cassette tape players. Aftermarket head unit upgrades are common.

Onboard Computer:

Optional On-Board Computer (OBC) providing trip data, fuel consumption, fault codes (early diagnostics), and external temperature.

Driver Assistance

Cruise Control:

Optional on many models.

Connectivity

Bluetooth Aux:

Not available from factory; requires aftermarket installations.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 7,500 to 10,000 miles (12,000 to 16,000 km) or annually, depending on driving conditions. Consult manual for specific intervals.

Spark Plug Replacement:

Approximately 20,000 - 30,000 miles (32,000 - 48,000 km) depending on plug type (standard vs. platinum).

Timing Belt Replacement:

M20 engines: No timing belt, uses a timing chain (designed for longevity, but inspection is recommended). M10 engines have a timing chain. Refer to manual for inspection intervals.

Fluid Specifications

Engine Oil Type:

SAE 15W-40 or 10W-40 API SG/SH (check manual for exact viscosity and API rating based on climate)

Coolant Type:

Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. BMW Blue Coolant or equivalent.

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid:

ATF Dexron II/III or Pentosin CHF 11S (check specific model and year)

Known Issues

Common Wear Items:

Bushings (control arm, sway bar), fuel pump, fuel injectors, starter motor, coolant hoses, radiator, heater core, door seal degradation, sunroof drain blockage.

Engine Specific Issues:

M20: timing belt tensioner failure (on earlier models without updated tensioner), head gasket leaks, oil pan gasket leaks. M10: Oil leaks from front crank seal.

Electrical Issues:

Fuse box corrosion, OBC (On-Board Computer) pixelation, intermittent sensor failures, fuel pump relay failure.

Body Issues:

Rust (wheel wells, rocker panels, battery tray, around windows), sagging headliner, convertible top hydraulics/seals.

📚 Vehicle History

Brand Heritage

Bmw Legacy:

BMW's reputation for 'The Ultimate Driving Machine' was solidified with the E30 generation.

Model Evolution

E30 Introduction:

Introduced in 1982, replacing the E21 3 Series. The E30 was a significant step forward in design, engineering, and performance.

Body Styles:

Available as 2-door sedan, 4-door sedan, convertible, and the iconic M3 (not covered by this manual).

Production

Production Years:

1982-1994 (globally, with North American market focus 1984-1991)

Manufacturing Locations:

Germany (primarily), South Africa, Thailand, Mexico

🏆 Awards & Recognition

Recognitions

Automotive Press:

Consistently praised by automotive journalists for its handling, performance, and driver engagement. Named to Car and Driver's Ten Best list multiple times.

Collector Status:

Highly sought-after by enthusiasts and collectors, particularly well-maintained examples of the 325i and 325is models.

Certifications

Manual Quality:

This service manual is likely compiled from official BMW technical data or reputable third-party sources, offering a high level of accuracy and comprehensiveness for repair work.