🏷️ Basic Information Identification Make: BMW Model: 3-Series (E30) Specific Model Variant: 325i Product Name: BMW 3-Series (E30) 325i 1987 -1991 Full Service Repair Manual Generation Generation Code: E30 Model Years Covered: 1987, 1988, 1989, 1990, 1991 👋 Introduction Market Position Bmw E30 Market Segment: Compact executive sports sedan/coupe Bmw E30 Reputation: Renowned for its driving dynamics, build quality, and classic BMW styling Competitive Analysis Key Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra XR4i Key Features Driving Experience: Excellent handling, responsive steering, balanced chassis Engine Characteristics: Smooth and torquey M20 inline-six engine Build Quality: Typical BMW solid construction and attention to detail Manual Value Proposition Time Saving: Guaranteed to save precious time through clear instructions and organized information Ease Of Use: Easy-to-read text sections with top-quality diagrams and instructions Accessibility: Accessible for both DIY owners and experienced mechanics 📋 Manual Details Coverage Areas Manual Scope: Complete Service and Repair Target Audience: Do-it-yourself enthusiasts and professional mechanics Page Count Estimated Page Count: Varies by specific publisher, but professional manuals typically exceed 800 pages for this model Manual Type Manual Type: Full Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul of the M20 inline-six engine (including specific variants for 325i) Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, tank Ignition System: Ignition coils, distributor, spark plugs, timing, Motronic control Cooling System: Radiator, fan, water pump, thermostat, hoses, coolant specifications Exhaust System: Exhaust manifolds, catalytic converter, muffler, piping Transmission: Manual and automatic transmission service, repair, fluid specifications, and clutch replacement Drivetrain: Driveshaft, universal joints, differential, axle shafts Suspension: Front and rear suspension components, shock absorbers, struts, bushings, alignment specifications Steering: Power steering system, steering rack, tie rods, steering column Brakes: Front and rear brake systems (disc brakes), brake pads, rotors, calipers, master cylinder, ABS (if equipped), bleeding procedures Electrical System: Battery, alternator, starter, lighting system, fuses, relays, wiring diagrams Engine Management System: Bosch Motronic M1.3, sensor diagnostics, ECU troubleshooting Climate Control: HVAC system, blower motor, A/C system components, heater core Body And Chassis: Body panel removal and installation, frame, structural components, rust repair considerations Interior: Seat removal, dashboard components, trim panels, headliner Paint And Bodywork: Information on refinishing and minor body repairs Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and top-offs Troubleshooting: Systematic diagnostic procedures for common and uncommon issues Repair: Step-by-step instructions for component replacement and repair Rebuilds: Complete engine and transmission rebuild procedures Adjustment: Valve adjustments, idle speed adjustments, timing adjustments Diagnosis: Diagnostic trouble codes (DTCs) and sensor testing procedures Technical Depth Depth Of Information: Comprehensive, covering everything from routine maintenance to complete engine and transmission overhauls Diagrams And Illustrations: High-quality exploded view diagrams and detailed illustrations Wiring Diagrams: Full electrical system wiring diagrams 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Zoom Functionality: Zoom IN/OUT enabled Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirements: Adobe PDF Reader, WinZip (for extraction if zipped) Operating System Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code: M20B25 Engine Type: Inline 6-cylinder, SOHC Displacement: 2.5 liters (2494 cc) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 8.5:1 Performance Horsepower: 168 hp @ 5800 rpm (approx.) Torque: 225 Nm (166 lb-ft) @ 4300 rpm (approx.) Fuel System Fuel Delivery: Bosch Motronic M1.3 Fuel Injection Fuel Type: Unleaded gasoline (Octane rating typically 91 RON or higher recommended) Cooling System Coolant Type: Ethylene glycol based antifreeze (e.g., BMW Blue or equivalent) Oil Specifications Engine Oil Grade: SAE 20W-50 or 15W-40 (depending on climate and manufacturer recommendations) Engine Oil Capacity: Approx. 4.25 liters (4.5 US quarts) with filter change 🔧 Transmission Standard Transmission Type: Getrag 260 5-speed manual transmission Optional Transmission Type: ZF 4HP22 4-speed automatic transmission Features Manual Clutch Type: Hydraulically operated single dry plate clutch Fluid Specifications Manual Transmission Fluid: SAE 75W-90 or 80W-90 API GL-4 gear oil Automatic Transmission Fluid: Dexron II or III (check specific manual for precise BMW specification) 📐 Dimensions Exterior Wheelbase: 2568 mm (101.1 inches) Length: 4340 mm (170.9 inches) Width: 1674 mm (65.9 inches) Height: 1380 mm (54.3 inches) Weights Curb Weight: Approx. 1240-1320 kg (2734-2910 lbs), depending on transmission and equipment Gross Vehicle Weight Rating Gvwr: Approx. 1700 kg (3748 lbs) Wheels And Tires Standard Wheel Size: 14-inch or 15-inch alloy wheels Wheel Bolt Pattern: 5x120 mm Standard Tire Size: 195/65R14 or 205/55R15 (depending on trim/options) 🛡️ Safety Features Ratings Crash Test Performance: E30 chassis generally considered safe for its era, but lacks modern advanced safety features. Specific NHTSA/Euro NCAP ratings for these years may not be readily available in modern databases but were evaluated based on...