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BMW 325 325e 1984-1990 Service Repair Workshop Manual
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Basic Information Identification Make: BMW Model: 325 / 325e Generation: E30 Production Years Covered: 1984, 1985, 1986, 1987, 1988, 1989, 1990 Codes Chassis Code: E30 Introduction Market Position Vehicle Segment:...
Type: Cars
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| Basic Information | |
| Identification | |
| Make: | BMW |
| Model: | 325 / 325e |
| Generation: | E30 |
| Production Years Covered: | 1984, 1985, 1986, 1987, 1988, 1989, 1990 |
| Codes | |
| Chassis Code: | E30 |
| Introduction | |
| Market Position | |
| Vehicle Segment: | Compact Executive Sedan/Coupe/Convertible (E30 platform) |
| Target Audience: | Enthusiasts, DIY mechanics, and professional workshops servicing BMW E30 models. |
| Competitive Analysis | |
| Key Competitors: | Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Series. |
| Key Features | |
| Bmw Brand Philosophy: | Focus on driving dynamics ('The Ultimate Driving Machine'), build quality, and sophisticated engineering. |
| E30 Platform Significance: | Considered a benchmark for sports sedan handling and performance in its era, establishing BMW's reputation for driver engagement. |
| Manual Details | |
| Coverage Areas | |
| Manual Coverage Scope: | Comprehensive service, repair, and diagnostic information for BMW 325 and 325e E30 models. |
| Page Count | |
| Estimated Page Count: | 600+ |
| Manual Type | |
| Type: | Service and Repair Workshop Manual |
| Language | |
| Language: | English |
| Format | |
| Format: | Digital (PDF) |
| Manual Coverage | |
| Systems Covered | |
| Engine: | M20B27 inline-6 engine (325e) and M20B25 inline-6 engine (325) including fuel injection, ignition, cooling, lubrication, exhaust, and emissions. |
| Transmission: | Getrag 260 5-speed manual and ZF 4HP22 4-speed automatic transmissions. Includes shift mechanisms, clutch operation, and torque converter. |
| Drivetrain: | Rear-wheel drive system, driveshaft, universal joints, CV joints, differential, and axle shafts. |
| Suspension: | Front MacPherson struts, rear semi-trailing arms, springs, shock absorbers, control arms, sway bars, bushings, and wheel bearings. |
| Brakes: | Front and rear disc brakes (vented front), brake hydraulics, master cylinder, calipers, brake lines, parking brake system. |
| Steering: | Rack and pinion steering system, power steering pump, steering rack, steering column, tie rod ends. |
| Electrical: | Starting and charging systems (alternator, starter), battery, lighting system, horn, wipers, power windows, mirrors, central locking, and fuse/relay box. |
| Fuel System: | Bosch L-Jetronic (325e) and Motronic (325) fuel injection systems, fuel pump, fuel filter, fuel injectors, fuel pressure regulator, fuel tank. |
| Cooling System: | Radiator, coolant pump, thermostat, hoses, fan (mechanical/electric), and heater core. |
| Exhaust System: | Exhaust manifolds, catalytic converter (on later models), mufflers, and exhaust piping. |
| Climate Control: | HVAC system, blower motor, evaporator, condenser, refrigerant system, and controls. |
| Body And Interior: | Body panel removal and installation, door mechanisms, hood, trunk, bumpers, interior trim, seats, and dashboard. |
| Procedures Included | |
| Scheduled Maintenance: | Detailed steps for routine maintenance, including oil changes, filter replacements, spark plug replacement, belt inspection and replacement, and fluid checks. |
| Diagnostic Procedures: | Troubleshooting guides, symptom-based diagnostics, and step-by-step procedures for identifying and resolving common issues. |
| Repair Procedures: | Comprehensive instructions for component removal, disassembly, repair, reassembly, and installation for all major vehicle systems. |
| Engine Overhaul: | Detailed procedures for engine rebuilding, including cylinder head removal, piston and connecting rod installation, crankshaft and bearing replacement, and camshaft timing. |
| Transmission Rebuild: | Instructions for manual and automatic transmission disassembly, inspection, component replacement, and reassembly. Torque specifications for critical fasteners. |
| Electrical Diagnosis: | Wiring diagrams, component testing procedures, and troubleshooting for electrical faults. Use of multimeters and oscilloscopes discussed. |
| Fuel Injection Tuning: | Diagnostic procedures for fuel injection systems, including injector testing, fuel pressure checks, and sensor calibration. Idle speed adjustment. |
| Suspension And Steering Alignment: | Specifications for wheel alignment (camber, caster, toe), adjustment procedures, and replacement of suspension components. |
| Brake Service: | Brake pad and rotor replacement, caliper service, brake bleeding procedures, and parking brake adjustment. |
| Body And Trim Repair: | Procedures for body panel alignment, dent repair, glass replacement, and interior trim fitting. |
| Technical Depth | |
| Level Of Detail: | Highly detailed, covering everything from basic maintenance to complex component overhauls and diagnostics. Suitable for professional mechanics and experienced DIY enthusiasts. |
| Diagnostic Tools Required: | Specifies common diagnostic tools, including multimeters, socket sets, torque wrenches, specialized fuel system testers, and ignition timing tools. |
| Technical Drawings And Diagrams: | Includes exploded views of components, detailed illustrations of procedures, and comprehensive electrical wiring diagrams for all model variants. |
| Manual Specifications | |
| File Format | |
| File Type: | |
| Searchability: | Searchable text content for quick access to information. |
| Printability: | Printable pages for on-the-go reference. |
| Print Quality | |
| Image Resolution: | High-resolution scans ensuring clarity of diagrams and text. |
| Binding Type | |
| Binding: | N/A (Digital Product) |
| Paper Type | |
| Paper Quality: | N/A (Digital Product) |
| Engine Specifications | |
| Primary Engine | |
| 325E Engine Code: | M20B27 |
| 325E Engine Type: | Inline 6-cylinder, SOHC |
| 325E Displacement: | 2.7 Liters (2693 cc) |
| 325E Bore X Stroke: | 84.0 mm x 81.0 mm |
| 325E Compression Ratio: | 8.5:1 (early models), 9.0:1 (later models) |
| 325 Engine Code: | M20B25 |
| 325 Engine Type: | Inline 6-cylinder, SOHC |
| 325 Displacement: | 2.5 Liters (2494 cc) |
| 325 Bore X Stroke: | 84.0 mm x 75.0 mm |
| 325 Compression Ratio: | 9.4:1 |
| Performance | |
| 325E Horsepower: | 121 hp @ 4800 rpm (US Spec), 125 hp @ 4700 rpm (Euro Spec) |
| 325E Torque: | 170 lb-ft @ 3250 rpm (US Spec), 177 lb-ft @ 3000 rpm (Euro Spec) |
| 325 Horsepower: | 168 hp @ 5800 rpm (US Spec), 170 hp @ 5900 rpm (Euro Spec) |
| 325 Torque: | 164 lb-ft @ 4500 rpm (US Spec), 167 lb-ft @ 4300 rpm (Euro Spec) |
| Fuel System | |
| 325E Fuel Injection: | Bosch L-Jetronic (early), Bosch Motronic (later models) |
| 325 Fuel Injection: | Bosch Motronic (ML-E) |
| Recommended Fuel: | Unleaded 87 Octane (US Spec 325e), Unleaded 89 Octane (US Spec 325) |
| Transmission | |
| Standard | |
| 325E Standard Transmission: | Getrag 260 5-speed Manual |
| 325 Standard Transmission: | Getrag 260 5-speed Manual |
| Optional | |
| 325E Optional Transmission: | ZF 4HP22 4-speed Automatic |
| 325 Optional Transmission: | ZF 4HP22 4-speed Automatic |
| Features | |
| Manual Transmission Clutch: | Hydraulically operated single dry plate clutch. |
| Automatic Transmission Features: | Lock-up torque converter, electronic control unit (later models), sport/economy mode selector. |
| Dimensions | |
| Exterior | |
| Wheelbase: | 101.2 inches (2570 mm) |
| Length: | 170.5 inches (4330 mm) |
| Width: | 65.4 inches (1660 mm) |
| Height: | 54.7 inches (1390 mm) |
| Weights | |
| Curb Weight Approx: | 2800 - 3000 lbs (1270 - 1360 kg) |
| Gross Vehicle Weight Rating Approx: | 3800 lbs (1724 kg) |
| Safety Features | |
| Ratings | |
| Era Safety Standards: | Reflects safety standards of the mid-to-late 1980s. No modern crash test ratings available. |
| Active Features | |
| ABS: | Optional on later models (typically 325i/is/Sport models). |
| Limited Slip Differential: | Optional on 325i/is/Sport models, providing improved traction. |
| Passive Features | |
| Seatbelts: | Three-point front seatbelts, lap belts for rear passengers. |
| Headrests: | Front and rear headrests on most models. |
| Crumple Zones: | Designed with energy-absorbing crumple zones front and rear. |
| Technology Features | |
| Infotainment | |
| Radio Options: | Factory AM/FM cassette players with optional premium sound systems. Aftermarket head unit upgrades are common. |
| On Board Computer: | Optional On-Board Computer (OBC) providing basic trip data, diagnostics, and clock functions. Prone to capacitor failure. |
| Driver Assistance | |
| Cruise Control: | Optional on most models. |
| Check Control: | System to alert the driver to various system faults (e.g., low washer fluid, burned-out bulbs). Part of the standard or optional OBC. |
| Connectivity | |
| Connectivity Features: | Basic by modern standards; limited to radio and optional OBC. No integrated Bluetooth or USB ports. |
| Maintenance | |
| Service Intervals | |
| Oil Change Interval: | Every 5,000-7,500 miles (8,000-12,000 km) or annually. Manual specifies based on driving conditions. |
| Spark Plug Replacement: | Every 15,000-20,000 miles (24,000-32,000 km) depending on plug type (copper vs. platinum). |
| Timing Belt Replacement: | Every 40,000-50,000 miles (64,000-80,000 km) or 5 years for M20 engines. Crucial to avoid catastrophic engine damage. |
| Coolant Flush: | Every 2-3 years or 30,000 miles (48,000 km). |
| Fluid Specifications | |
| Engine Oil Type: | API SG or SH, SAE 15W-40 or 20W-50 (depending on climate). Check manual for specific viscosity recommendations. |
| Engine Oil Capacity: | Approximately 5.5 quarts (5.2 liters) with filter. |
| Coolant Type: | Ethylene glycol based coolant, 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 or III, or specific BMW power steering fluid. |
| Manual Transmission Fluid: | SAE 75W-90 API GL-4 or GL-5 gear oil. |
| Automatic Transmission Fluid: | ATF Dexron II or III. Refer to manual for exact type and capacity. |
| Known Issues | |
| Common Problems: | Cooling system leaks (water pump, hoses, radiator), fuel distributor issues, idle control valve problems, differential seal leaks, rear subframe mounting reinforcement, heater control valve failure, door panel warping, OBC (On-Board Computer) failure. |
| Suspension Wear: | Worn control arm bushings, shock absorber fatigue, and trailing arm bushings are common due to age and mileage. |
| Electrical Gremlins: | Corroded ground points, failing relays, and aging wiring harnesses can lead to intermittent electrical issues. |
| Vehicle History | |
| Brand Heritage | |
| Bmw Heritage: | BMW AG, a German luxury and performance automotive manufacturer with a long history dating back to 1916, known for its engineering prowess and sporting heritage. |
| Model Evolution | |
| E30 Introduction: | The E30 generation replaced the E21 and was produced from 1982 to 1994. The 325e and 325 models were key variants within this highly successful generation. |
| 325E Introduction: | Introduced in 1983 (for the 1984 model year), the 'e' designation signified 'eta' (η), referencing the efficient, larger-displacement M20 engine designed for torque and fuel economy. |
| 325 Introduction: | The 325 (often referred to as 325i in North America to denote fuel injection, even though 'e' also had FI) replaced the 323i, featuring the more performance-oriented M20B25 engine. |
| Production | |
| Production Locations: | Primarily Germany (Munich, Dingolfing), with some assembly in other international locations. |
| Key Variants: | Sedan (4-door), Coupe (2-door), Convertible (2-door), Touring (wagon, not in US market). Also included sportier versions like the 325iS/iC. |
| Awards & Recognition | |
| Recognitions | |
| Car And Driver 10Best: | The E30 chassis, particularly the 325i, was a frequent recipient of Car and Driver's 10Best awards during its production run, cementing its status as a benchmark sports sedan. |
| Ratings | |
| General Reputation: | Highly regarded for its driving dynamics, build quality, and timeless design. Considered a classic and collectible BMW. |