Engine Mechanical:
Full engine rebuild procedures, component removal and installation, cylinder head, pistons, crankshaft, camshaft, timing, lubrication system
Fuel System:
Bosch L-Jetronic fuel injection system diagnosis and repair, fuel pump, injectors, fuel lines, pressure regulator
Ignition System:
Ignition timing, coil, distributor, spark plugs, control module diagnostics
Cooling System:
Radiator, fan, water pump, thermostat, coolant hoses, flush and refill procedures
Exhaust System:
Catalytic converter, muffler, exhaust manifold, oxygen sensor replacement and diagnosis
Transmission Manual:
Getrag 260 gearbox, clutch assembly, shift linkage, fluid replacement, rebuild procedures
Transmission Automatic:
ZF 4HP22 automatic transmission, torque converter, valve body, clutch packs, fluid change and diagnosis
Driveshafts Axles:
Driveshaft U-joints, differential, axle shafts, seals, wheel bearings
Suspension Front:
MacPherson struts, control arms, sway bar, ball joints, bushings, shock absorber replacement
Suspension Rear:
Semi-trailing arms, independent suspension, shock absorbers, bushings, wheel bearings
Steering System:
Power steering pump, steering rack, tie rods, steering column, alignment procedures
Brake System Front:
Ventilated disc brakes, calipers, pads, rotors, brake lines, ABS system (if equipped)
Brake System Rear:
Solid disc brakes, calipers, pads, rotors, brake lines
Electrical System Overview:
Wiring diagrams, fuse box locations, relay functions, component identification
Battery Charging:
Alternator, starter motor, battery maintenance and testing
Lighting System:
Headlights, taillights, interior lights, bulb replacement, wiring
Instrument Cluster:
Gauge removal and repair, warning lights, speedometer, tachometer diagnosis
HVAC System:
Heater core, A/C system, blower motor, climate controls, refrigerant charging
Body Exterior:
Door panel removal, window regulators, sunroof operation, trim piece replacement, panel alignment
Body Interior:
Seat removal, dashboard disassembly, carpet replacement, headliner repair
Glass Replacement:
Windshield, side windows, rear window removal and installation
Maintenance Schedule:
Detailed recommended service intervals for all major components and fluids
Troubleshooting Guide:
Systematic diagnostic procedures for common and uncommon problems
Repair Procedures:
Step-by-step instructions for virtually all repair and replacement tasks
Rebuild Procedures:
Comprehensive instructions for rebuilding engines, transmissions, and other major components
Refurbishment Guidance:
Tips and techniques for restoring worn or aged components
Restoration Techniques:
Detailed guidance for comprehensive vehicle restoration projects
Technical Specifications Tables:
Torque specifications, clearances, measurements, fluid capacities, wear limits
Wiring Diagrams:
High-quality, detailed wiring schematics for all vehicle systems
Diagnostic Charts:
Flowcharts for diagnosing electrical and mechanical issues
Depth Level:
Extensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
Oil Change Interval:
Typically every 7,500 - 10,000 miles or 12 months, depending on driving conditions and oil type.
Spark Plug Replacement:
Refer to manual, but generally around 30,000 - 60,000 miles for standard plugs.
Timing Belt Chain:
The M30B34 engine uses a timing chain, which is designed to last the life of the engine but requires periodic inspection for stretch or tensioner wear.
Engine Oil Spec:
Refer to manual for specific viscosity (e.g., 15W-40, 20W-50 synthetic) and API service classification. Capacity approx. 6.5 liters (7 quarts).
Coolant Spec:
Ethylene glycol-based coolant (e.g., BMW Blue or compatible) mixed with distilled water. Capacity approx. 10-12 liters.
Brake Fluid Spec:
DOT 3 or DOT 4 (check manual for specific recommendation)
Common Wear Items:
Bushings (control arm, sway bar, trailing arm), fuel injectors, fuel pump, power steering hoses, heater core leaks, O2 sensor failure, ABS sensor failure.
Engine Specific Concerns:
Head gasket leaks (due to age/heat cycles), oil pan gasket leaks, exhaust manifold cracks.
