BMW 325 325e 325es 1984-1990 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: 3 Series Sub Model: 325, 325e, 325es Production Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990 Codes Chassis Code: E30 Engine Codes:...

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类型: Car

斯库: 390607

标签: 1984 1985 1986 1987 1988 1989 1990 325 325e 325es BMW Car Cars Misc

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Model:

3 Series

Sub Model:

325, 325e, 325es

Production Years Covered:

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

Codes

Chassis Code:

Engine Codes:

M20B27 (325e/es), M20B25 (325i - though manual focuses on 325/325e/325es variants)

👋 Introduction

Market Position

The E30 generation represented BMW's entry into a more accessible, yet still premium, sport sedan market.

Target Audience:

Enthusiasts, DIY mechanics, and professional shops maintaining these classic BMWs.

Competitive Analysis

Competitors:

Competed with Mercedes-Benz 190E, Audi 80/90, and performance sedans from other marques.

Key Features

Vehicle Appeal:

Known for excellent handling, rear-wheel drive dynamics, durable engines, and timeless styling.

Manual Value:

Essential for preserving the performance and integrity of these sought-after classic BMWs.

📋 Manual Details

Coverage Areas

Overall Coverage:

Comprehensive service and repair for BMW 325, 325e, and 325es models.

Page Count

Estimated Page Count:

Likely 800-1200 pages (typical for this era's full service manuals)

Manual Type

Type:

Full Service Repair Manual

Language

Language:

English

Format

Format:

Print or Digital (PDF) - Specification depends on the specific product offering

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system.

Fuel System:

Fuel injection (Bosch Motronic), fuel pump, fuel lines, fuel injectors, fuel pressure regulator, fuel tank.

Ignition System:

Ignition coil, spark plugs, distributor (if applicable to specific sub-models/years), ignition timing.

Exhaust System:

Exhaust manifolds, catalytic converter, mufflers, exhaust pipes, oxygen sensors.

Transmission Manual:

Manual transmission (Getrag 260 common), clutch assembly, shift linkage, gears, bearings.

Transmission Automatic:

Automatic transmission (ZF 4HP22 common), torque converter, valve body, hydraulic control, planetary gears.

Drivetrain:

Driveshaft, universal joints, differential, rear axle, half-shafts.

Suspension Front:

MacPherson struts, control arms, ball joints, sway bar, wheel bearings.

Suspension Rear:

Semi-trailing arms, shock absorbers, springs, bushings.

Steering System:

Power steering system, steering rack, steering column, tie rods, steering pump.

Brakes Front:

Ventilated disc brakes, brake calipers, brake pads, brake rotors.

Brakes Rear:

Disc brakes (often solid), brake calipers, brake pads, brake rotors.

Brake System Controls:

Brake booster, master cylinder, brake lines, parking brake.

Electrical System Power:

Battery, alternator, starter motor, wiring diagrams.

Electrical System Lighting:

Headlights, taillights, interior lights, fuses, relays.

Electrical System Instruments:

Instrument cluster, gauges, warning lights.

Climate Control:

HVAC system, blower motor, heater core, A/C system components (if equipped).

Body Interior:

Seats, door panels, dashboard, headliner, trim components.

Body Exterior:

Bumpers, fenders, hood, trunk, doors, glass, mirrors.

Chassis And Frame:

Frame components, body mounts, corrosion protection.

Procedures Included

Routine Maintenance:

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

Engine Repair:

Head gasket replacement, piston ring installation, valve adjustments, timing belt/chain service.

Fuel System Repair:

Fuel injector cleaning/replacement, fuel pump replacement, fuel pressure testing.

Transmission Service:

Transmission fluid and filter change, clutch replacement, transmission overhaul (for manual and automatic).

Suspension And Steering Repair:

Component replacement (struts, control arms, tie rods), alignment procedures, power steering pump replacement.

Brake Service:

Brake pad and rotor replacement, brake fluid bleeding, master cylinder and caliper rebuild/replacement.

Electrical Diagnostics:

Troubleshooting using wiring diagrams, component testing, starter/alternator testing.

HVAC Repair:

Component replacement (blower motor, evaporator), refrigerant system servicing (requires specialized training).

Body Panel Replacement:

Door, fender, hood replacement procedures.

Troubleshooting:

Diagnostic flowcharts for common drivability and system issues.

Technical Depth

Depth:

Expert level, covering complete overhauls and advanced diagnostics.

Diagnostics:

Detailed diagnostic procedures, including electrical testing and troubleshooting charts.

Torque Specifications:

Comprehensive torque values for all critical fasteners.

Special Tools:

Identification and usage instructions for BMW-specific tools.

📊 Manual Specifications

File Format

Digital Format:

Likely PDF; clarity on searchability and bookmarking is crucial for usability.

Print Quality

Print Quality:

High-quality reproductions with clear diagrams and text (if printed).

Binding Type

Binding:

Professional binding (e.g., spiral-bound, stitched) for durability in a workshop environment (if printed).

Paper Type

Paper Quality:

Durable, shop-friendly paper that resists grease and wear (if printed).

⚙️ Engine Specifications

Primary Engine

Engine Family:

BMW M20 Inline-6

Engine Variant 325E:

2.7L (2693cc) M20B27 'Eta' engine

Engine Variant 325Es:

2.7L (2693cc) M20B27 'Eta' engine (Sport Package)

Engine Variant 325:

2.5L (2494cc) M20B25 inline-six (Note: Manual states '325', usually referring to the 2.5L variant, but product description prioritizes 325e/es. Clarification is key for buyers.)

Performance

Horsepower 325E/Es:

Approximately 121 hp @ 4800 rpm (lower RPM torque focus)

Torque 325E/Es:

Approximately 170 lb-ft @ 3250 rpm

Horsepower 325 (2.5L):

Approximately 168 hp @ 5800 rpm

Torque 325 (2.5L):

Approximately 164 lb-ft @ 4300 rpm

Fuel System

Fuel Delivery:

Bosch Motronic electronic fuel injection (EFI)

Fuel Type:

Unleaded gasoline

Compression Ratio 325E/Es:

8.0:1 (for 'Eta' engine's focus on low-end torque and efficiency)

Compression Ratio 325 (2.5L):

8.8:1

🔧 Transmission

Standard

Standard Transmission:

5-speed manual transmission (Getrag 260/5 common)

Optional

Optional Transmission:

4-speed automatic transmission (ZF 4HP22 common)

Features

Clutch Type:

Hydraulically actuated single dry plate clutch

Differential:

Limited-slip differential (LSD) often optional or standard on certain trims (e.g., 'es')

📐 Dimensions

Exterior

Wheelbase:

Approx. 101.2 inches (2570 mm)

Length:

Approx. 170.5 inches (4330 mm)

Width:

Approx. 65.4 inches (1660 mm)

Height:

Approx. 55.0 inches (1397 mm)

Weights

Curb Weight:

Varies by model and options, typically 2800-3000 lbs (1270-1360 kg)

Gross Vehicle Weight Rating:

Typically around 3700-3900 lbs (1678-1769 kg)

🛡️ Safety Features

Ratings

Crash Test Data:

Limited modern standardized crash test data available for this era; E30 known for robust build quality for its time.

Active Features

Anti-lock Braking System (ABS) available as an option on later models.

Passive Features

Seatbelts:

Three-point front seatbelts with inertia reels, lap belts in rear.

Body Structure:

Reinforced safety cage, crumple zones.

💡 Technology Features

Infotainment

Audio System:

Factory cassette radio with optional CD player, often with amplifier under seat. Basic AM/FM tuner.

Driver Assistance

Cruise Control:

Available on most models, vacuum-actuated or electronic.

Connectivity

OBD Port:

Early BMW diagnostic systems (check for specific diagnostic port location and protocol compatibility in manual).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000-7,500 miles or 12 months (refer to manual for specific interval based on driving conditions).

Timing Belt Interval:

M20 engines use a timing belt; replacement typically recommended every 50,000-60,000 miles or 4-5 years, due to high risk of catastrophic failure if it breaks.

Coolant Flush Interval:

Every 2-3 years or 30,000-50,000 miles.

Fluid Specifications

Engine Oil Type:

Refer to manual for specific viscosity (e.g., 15W-40, 10W-40, 20W-50 depending on climate and original BMW recommendation). Synthetic oils are highly recommended.

Engine Oil Capacity:

Approx. 5.5 quarts (5.2 liters) with filter change (for M20).

Coolant Type:

Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. BMW Blue or Pentosin G48 compatible.

Transmission Fluid Manual:

BMW MTF LT-1 or compatible manual transmission fluid (e.g., Red Line MTL).

Transmission Fluid Automatic:

ZF Lifeguardfluid 4HP22 or equivalent ATF (Dexron II/III compatible).

Brake Fluid Type:

DOT 4 brake fluid.

Known Issues

Engine Common Problems:

Cooling system component failures (water pump, hoses, radiator), head gasket leaks (especially on higher mileage units), fuel distributor issues, rough idle.

Suspension Common Problems:

Worn bushings (control arm, trailing arm), leaking shocks, worn ball joints and tie rods.

Electrical Common Problems:

Corrosion in wiring harnesses, failing instrument cluster pixels, weak grounds, alternator and starter motor wear.

Body Common Problems:

Rust, particularly around wheel wells, rocker panels, sunroof drain areas, and rear shock towers.

Eccentric Shaft Sensor Issue:

While more prevalent on later M42 engines, some M20s can have oil leaks around the eccentric shaft seal.

📚 Vehicle History

Brand Heritage

Bmw Legacy:

BMW's reputation for building driver-focused, high-performance vehicles.

Model Evolution

E30 Introduction:

The E30 was introduced in 1982 as the successor to the E21 3 Series.

E30 Lineup Expansion:

The 325e and 325es models were introduced to offer more torque and a smoother power delivery, targeting a broader market segment.

Production

Manufacturing Location:

Primarily Germany

E30 Significance:

The E30 is considered one of BMW's most iconic and successful generations, laying the groundwork for future 3 Series models.

🏆 Awards & Recognition

Recognitions

E30 Legacy Awards:

Consistently ranked as a 'best driver's car' and a classic sports sedan by automotive publications. Often recognized for its longevity and handling characteristics.

Ratings

Enthusiast Ratings:

Highly regarded by BMW enthusiasts and collectors worldwide.