Engine Mechanical:
Complete overhaul, diagnostics, timing, seals, gaskets
Fuel System:
Bosch LE-Jetronic fuel injection system, fuel pump, injectors, pressure regulator
Ignition System:
Electronic ignition, coil, distributor, spark plugs
Transmission Manual:
Clutch, gearbox overhaul, shift linkage, lubrication
Transmission Automatic:
ZF 4HP22 overhaul, valve body, torque converter, fluid
Drivetrain:
Driveshafts, universal joints, rear axle, differential
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, sway bar
Suspension Rear:
Semi-trailing arms, shock absorbers, springs, bushings, sway bar
Steering:
Power steering system, steering box, pump, hoses, linkage
Brakes Front:
Ventilated discs, calipers, pads, brake lines
Brakes Rear:
Solid discs, calipers, pads, brake lines
Electrical System Charging:
Alternator, voltage regulator, battery, wiring
Electrical System Lighting:
Headlights, taillights, interior lighting, fuses
Electrical System Instruments:
Instrument cluster, gauges, warning lights
Climate Control:
Heater core, ventilation system, AC components (if equipped), controls
Bodywork Exterior:
Body panel alignment, door mechanisms, glass replacement, trim
Bodywork Interior:
Seat removal, dashboard disassembly, trim panels
Routine Maintenance:
Oil change, filter replacement, tune-ups, inspections
Troubleshooting Diagnostics:
Step-by-step diagnostic charts for various systems and common faults
Engine Repair:
Head gasket replacement, piston ring replacement, valve adjustments
Fuel System Repair:
Injector cleaning/replacement, fuel pump testing, regulator adjustment
Transmission Overhaul:
Complete rebuild procedures for both manual and automatic transmissions
Brake System Service:
Brake pad/disc replacement, caliper servicing, bleeding
Electrical Component Replacement:
Alternator, starter motor, ignition coil, sensors
Suspension Component Replacement:
Struts, shocks, control arms, bushings
Steering System Repair:
Power steering pump replacement, steering box adjustments
Body Panel Replacement:
Door hinge adjustment, fender replacement
Depth:
Comprehensive mechanical and electrical repair, detailed diagnostics, and rebuild procedures
Oil Change Interval:
Every 5,000-7,500 miles or 6-12 months (recommend checking manual)
Spark Plug Replacement:
Typically every 30,000 miles
Coolant Flush:
Every 2 years or 30,000 miles
Engine Oil:
10W-40 or 20W-50 (API SG or higher, BMW LL-98 spec recommended)
Coolant:
BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant
Engine Oil Leaks:
Valve cover gasket, oil pan gasket, front/rear main seals
Cooling System:
Plastic expansion tank cracks, water pump failure, thermostat issues
Suspension:
Worn bushings (control arm, trailing arm), ball joint wear
Electrical:
Fuse box corrosion, headlight switch failure, wiring harness degradation
Fuel System:
Fuel accumulator failure, injector clogging, fuel pump wear
