Engine Mechanical:
Complete overhaul, timing belt, valve adjustments, seals, gaskets, cooling system
Engine Electrical:
Ignition system, fuel injection system (Bosch Motronic), starter, alternator, wiring diagrams
Transmission:
Manual transmission (Getrag 260) repair, clutch replacement, fluid changes
Suspension:
Front struts, rear trailing arms, shock absorbers, springs, bushings, wheel alignment
Brakes:
Front disc brakes, rear drum brakes, hydraulic system, bleeding procedures, parking brake
Steering:
Steering rack, power steering system (if equipped), steering column
Fuel System:
Fuel pump, fuel filter, fuel injectors, fuel lines, fuel tank
Exhaust System:
Exhaust manifold, catalytic converter, muffler, exhaust pipes
Electrical System Body:
Lighting, wipers, horn, power windows, central locking, dashboard instruments, fuses and relays
Climate Control:
Heater core, blower motor, ventilation system
Body And Chassis:
Body panel repair, interior trim removal, glass replacement
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, air filter replacement
Troubleshooting:
Diagnostic procedures for common faults, error code interpretation (where applicable)
Engine Repair:
Complete engine rebuild, piston and ring replacement, crankshaft and bearing service, cylinder head repair
Transmission Repair:
Transmission removal and installation, internal component repair (e.g., synchros, gears)
Brake Service:
Brake pad and rotor replacement, caliper service, brake line repair
Suspension And Steering Repair:
Component replacement (struts, control arms, tie rods), steering rack overhaul
Electrical Diagnostics:
Wiring harness repair, component testing, diagnosing electrical faults
Bodywork Procedures:
Minor dent repair, rust prevention and repair, panel alignment
Clutch Replacement:
Detailed steps for clutch disc, pressure plate, and release bearing replacement
Cooling System Service:
Radiator replacement, water pump service, thermostat replacement, flushing
Fuel Injector Cleaning And Replacement:
Procedures for maintaining optimal fuel delivery
Depth Of Coverage:
Comprehensive, from basic maintenance to full engine and transmission rebuilds
Diagnostic Capability:
Detailed diagnostic information, including wiring diagrams and component testing procedures
Rebuild Procedures:
Includes specifications and procedures for rebuilding major mechanical components
Engine Type:
Inline 4-cylinder, DOHC
Engine Displacement:
1.8 Liters (1796 cc)
Engine Code Details:
M40 B18, successor to the M10 family, featuring belt-driven camshaft
Horsepower Output:
Approximately 113 HP (83 kW) at 5500 RPM (DIN)
Torque Output:
Approximately 164 Nm (121 lb-ft) at 4300 RPM (DIN)
Fuel Delivery:
Bosch Motronic ML 4.1 Fuel Injection
Fuel Type:
Unleaded gasoline (RON 95 recommended)
Timing Belt Replacement Interval:
Typically every 40,000 - 60,000 km or 4-5 years (critical for M40 engine)
Oil Change Interval Typical:
10,000 - 15,000 km or 12 months, depending on oil quality and driving conditions
Spark Plug Replacement Interval:
Approximately 30,000 - 40,000 km (specific type dependent)
Engine Oil Specification:
API SG/SH, ACEA A2-96/A3-98 or equivalent, viscosity 10W-40 or 15W-40 recommended, 5W-30/5W-40 for colder climates
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48 or equivalent), 50/50 mix with distilled water
Brake Fluid Specification:
DOT 4
M40 Engine Common Issues:
Timing belt tensioner failure (leading to catastrophic engine damage), valve cover gasket leaks, idle control valve issues
E30 Chassis Common Issues:
Rust (especially wheel arches, rocker panels, strut towers), worn suspension bushings, heater core leaks
Electrical Common Issues:
Corroded grounds, failing instrument clusters, faulty door lock actuators
Bmw Heritage Focus:
Performance, engineering, and driving pleasure ('The Ultimate Driving Machine')
E30 Production Years:
1982 - 1994 (global, with phased introduction of specific models and engines)
E30 316I Introduction Year:
Introduced in 1988/1989 model year in many markets with the M40 engine
E30 Manufacturing Locations:
Germany, South Africa, USA (CKD assembly)