Maintenance:
Comprehensive coverage including scheduled maintenance, fluid changes, and component inspections.
Engine:
Detailed information on engine mechanicals, overhaul procedures, and performance tuning.
Control System:
Covers engine control units (ECU), ignition timing, and electronic fuel injection (EFI) systems.
Mechanical:
In-depth coverage of all mechanical components, including assembly, disassembly, and calibration.
Fuel Service Specifications:
Detailed specifications for fuel delivery, pressure, injectors, and fuel pump diagnostics.
Emission Control:
Information on emission control systems, including catalytic converters, EGR, and evaporative emission control (EVAP).
Intake Exhaust Cooling:
Covers intake manifold, exhaust systems, cooling system components, radiators, and coolant specifications.
Lube:
Lubrication points, oil specifications, filter requirements, and lubrication system diagnostics.
Ignition Starting Charging:
Detailed procedures for ignition system components, starter motor, alternator, battery testing, and charging systems.
Auto Transmission Clutch:
Service and repair procedures for automatic transmissions, including fluid specifications and torque converter information.
Manual Transmission:
Coverage of manual transmissions, clutch assembly, flywheel, and gear linkage adjustments.
Transfer Propeller Shaft:
Information on driveshaft components, universal joints, and propeller shaft balancing.
Drive Shaft:
Axle shaft, CV joint, and driveshaft bearing service and replacement procedures.
Differential:
Differential housing, gear sets, lubrication, and seal replacement procedures.
Axle Suspension:
Front and rear suspension systems, including shock absorbers, springs, control arms, bushings, and alignment specifications.
Tire Wheel:
Wheel specifications, bolt patterns, tire pressure recommendations, and wheel bearing service.
Brake Control:
Brake system control modules, ABS diagnostics (if applicable), and proportioning valves.
Brake:
Disc and drum brake systems, including caliper, rotor, and pad replacement, bleeding procedures, and hydraulic system servicing.
Parking Brake:
Parking brake system operation, adjustment, and component replacement.
Steering Column:
Steering column assembly, tilt and telescope mechanisms, and ignition switch servicing.
Power Steering:
Power steering pump, rack and pinion, hoses, fluid specifications, and system bleeding.
Air Condition:
HVAC system diagnosis, refrigerant handling, compressor, evaporator, and condenser service.
Supplemental Restraint System:
Airbag system information (if applicable for the later years of the E30 generation), sensors, and control modules.
Seat Belt:
Seat belt assembly, retraction mechanisms, and anchor point specifications.
Engine Immobilizer:
Information on vehicle security systems and immobilizer functions (may be less common in earlier E30 models).
Cruise Control:
Cruise control system operation, diagnosis, and component troubleshooting.
Wiper Washer:
Wiper motor, linkage, blade replacement, and washer fluid system servicing.
Door Lock:
Door lock mechanisms, central locking systems, and keyless entry (if applicable).
Meter Audio Visual:
Instrument cluster diagnostics, sensor readings, and basic audio system information.
Horn:
Horn operation, wiring, and replacement procedures.
Windshield Glass Mirror:
Windshield replacement, wiper blade compatibility, and mirror adjustments.
Instrument Panel:
Instrument cluster removal and installation, bulb replacement, and gauge troubleshooting.
Seat:
Seat adjustment mechanisms, seat trim removal, and heated seat systems (if applicable).
Engine Hood Door:
Hood and door latch mechanisms, hinge lubrication, and panel alignment.
Exterior Interior:
Body panels, trim, weatherstripping, interior upholstery, and carpet replacement.
Electrical:
Comprehensive wiring diagrams, circuit protection, fuse box locations, and component testing.
Multiplex Can Communication:
Information on multiplexed electrical systems and CAN bus communication protocols (more relevant for later E30 models).
Estimated Pages:
Likely 1000+ pages (typical for comprehensive factory service manuals).
Type:
Service and Repair Manual
Operating Systems:
All Versions of Windows & Mac
Software:
Adobe PDF Reader
Powertrain:
Engine, transmission (manual and automatic), drivetrain, clutch, differential, axles, and cooling/lube systems.
Chassis:
Suspension (front and rear), steering (power and manual), brakes (hydraulic, parking), wheels, and tires.
Electrical:
Ignition, starting, charging, lighting, instrumentation, power accessories, HVAC, and basic body electronics.
Body:
Exterior panels, interior trim, doors, hood, glass, mirrors, and basic bodywork repair guidance.
Diagnostic Procedures:
Troubleshooting guides, fault code interpretation (where applicable), and systematic diagnostic steps for various systems.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
Maintenance Procedures:
Detailed guidance on routine maintenance tasks, fluid level checks, filter replacements, and component inspections.
Technical Specifications:
Torque specifications, clearances, timing settings, fluid capacities and types, and electrical component data.
Wiring Diagrams:
Complete and detailed wiring schematics for all electrical systems, crucial for troubleshooting.
Depth:
Covers everything from basic fluid changes and filter replacements to complete engine rebuilds, transmission overhauls, and complex electrical system diagnostics.
Oil Change Interval:
Typically every 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type used (consult manual for precise recommendations).
Timing Belt Replacement:
For M20 and M10 engines, typically every 50,000-60,000 miles or 4-5 years. Critical to follow as failure can cause severe engine damage.
Engine Oil:
Typically multi-viscosity oils like 10W-40 or 20W-50, often API SG or SH rated. Refer to manual for precise viscosity and API rating. BMW recommends synthetic oil for optimal performance.
Coolant:
Ethylene glycol based antifreeze, typically mixed 50/50 with distilled water. BMW's own coolant (or equivalent meeting their specifications) is recommended.
Transmission Fluid Manual:
Typically GL-4 rated gear oil, e.g., 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron II or III ATF (Automatic Transmission Fluid). Capacity varies by model, often around 3-4 quarts for a pan drop and refill.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Common Problems:
Cooling system leaks (cracked plastic expansion tanks, hoses), fuel distributor issues (M30/M20), heater core leaks, differential seal leaks, rust (especially around wheel wells and rocker panels), and worn suspension bushings.
