Engine Mechanical:
Complete overhaul, assembly, disassembly, tuning, diagnostics
Engine Management:
DME (Digital Motor Electronics), sensor diagnostics, actuator testing, ignition system
Fuel System:
Fuel pump, injectors, fuel pressure regulator, lines, testing and replacement
Cooling System:
Radiator, water pump, thermostat, hoses, fan clutch, bleeding procedures
Exhaust System:
Catalytic converter, mufflers, pipes, O2 sensors, emission controls
Transmission Manual:
Clutch, gearbox overhaul, shift linkage, fluid changes
Transmission Automatic:
ZF 4HP22 EH, valve body, torque converter, electronic controls, fluid service
Drivetrain:
Driveshafts, CV joints, differential, subframe mounting
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, alignment
Suspension Rear:
Multi-link independent suspension, trailing arms, shock absorbers, alignment
Steering System:
Power steering pump, rack and pinion, tie rods, fluid service
Braking System:
ABS (Anti-lock Braking System), hydraulic lines, calipers, rotors, pads, bleeding procedures
Electrical System General:
Wiring diagrams, fuses, relays, battery, charging system
Lighting System:
Headlights, taillights, interior lighting, bulb replacement
Comfort Controls:
HVAC (Heating, Ventilation, Air Conditioning), blower motor, climate control panel
Convertible Top System:
Hydraulic pump, actuators, switches, motor, canvas care and repair
Bodywork Exterior:
Panel removal, door mechanisms, bumpers, trim
Bodywork Interior:
Seat removal, dashboard, trim panels, carpeting
Routine Maintenance:
Oil changes, filter replacements, spark plugs, tune-ups
Troubleshooting Diagnostics:
Fault codes, symptoms, step-by-step diagnostic trees
Component Replacement:
Detailed instructions for virtually all components
Rebuilds Overhauls:
Engine, transmission, differential rebuilds
Electrical Troubleshooting:
Using wiring diagrams to diagnose electrical faults
Calibration Adjustments:
Engine timing, idle speed, suspension alignment
Depth:
Comprehensive: From basic maintenance to complete engine/transmission overhauls and advanced electrical diagnostics.
Oil Change Interval:
Recommended every 7,500-10,000 miles (12,000-16,000 km) or annually.
Spark Plug Replacement:
Approximately every 60,000 miles (100,000 km).
Coolant Flush:
Every 2-3 years or 30,000 miles (48,000 km).
Engine Oil Type:
SAE 0W-40 or 5W-30, BMW LL-01 or LL-04 approved synthetic oil.
Engine Oil Capacity:
Approx. 6.5 Liters (6.9 US Quarts)
Coolant Type:
BMW Blue Coolant (G48) or equivalent silicate-free antifreeze, mixed 50/50 with distilled water.
Transmission Fluid Manual:
SAE 75W-90 Synthetic Gear Oil (BMW Part No. 83 22 0 309 031 or equivalent).
Transmission Fluid Automatic:
ZF Lifeguardfluid 5 (BMW Part No. 83 22 0 024 359 or equivalent Dexron III/Mercon compatible fluid).
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid (BMW Part No. 81 22 9 407 781).
Common Issues:
Cooling system components (water pump, thermostat, expansion tank), VANOS (Variable Valve Timing) solenoid or seal wear, subframe bushings, door panel adhesion, convertible top hydraulic leaks, ABS sensor failures.
Preventative Maintenance Tips:
Regular inspection of cooling system, timely fluid changes, checking subframe mounting points, maintaining convertible top hydraulics.
