Engine:
Complete engine systems, including internal components, timing, fuel delivery, ignition, and cooling.
Transmission:
Manual and automatic transmission overhaul, repair, and diagnostics.
Drivetrain:
Driveshafts, differentials, axles, and AWD systems (if applicable to 323 variant).
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, and steering linkage.
Brakes:
Brake system components, ABS, DSC, hydraulic circuits, and pad/rotor replacement.
Electrical:
Wiring diagrams, fuse box layouts, lighting, starter, alternator, battery, and power distribution.
Body And Chassis:
Body panel repair, interior trim, exterior moldings, and chassis component replacement.
Climate Control:
HVAC system diagnosis and repair, including A/C, heater core, and blower motor.
Fuel System:
Fuel pump, injectors, lines, filter, and EVAP system.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, and pipework.
Cooling System:
Radiator, water pump, thermostat, hoses, and expansion tank.
Steering:
Power steering system, steering rack, and column.
Wheels And Tires:
Tire specifications, wheel alignment, and balancing.
Safety Systems:
Airbag systems, seatbelt pre-tensioners, and SRS modules.
Infotainment:
Radio, navigation, and speaker system troubleshooting.
Maintenance:
Scheduled maintenance procedures, fluid changes, filter replacements, and inspections.
Troubleshooting:
Diagnostic procedures for common and complex issues, including fault codes and symptom-based troubleshooting.
Repair:
Step-by-step repair instructions for virtually all vehicle components.
Disassembly And Assembly:
Detailed instructions for removing and reinstalling components.
Electrical Diagnostics:
Troubleshooting electrical circuits using wiring diagrams and diagnostic tools.
Engine Rebuild:
Complete engine overhaul procedures, including torque specifications and component clearances.
Transmission Overhaul:
Detailed steps for rebuilding both manual and automatic transmissions.
Brake System Service:
Procedures for brake fluid flush, caliper replacement, and bleeding the system.
Suspension Alignment:
Guidelines and specifications for wheel alignment.
Body Repair:
Instructions for dent repair, panel replacement, and rust mitigation.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds and advanced electrical diagnostics.
Diagnostic Tools Mention:
References to BMW proprietary diagnostic tools (e.g., DIS, ISTA) where applicable for advanced diagnostics.
Torque Specifications:
Detailed torque specifications for all critical fasteners.
Schematics:
Detailed electrical wiring diagrams and hydraulic schematics.
Transmission Type Standard:
5-speed manual (Getrag 260/6 or ZF S5-36/360)
Transmission Type Optional:
5-speed automatic (ZF 5HP19)
Automatic Features:
Adaptive transmission control, Steptronic manual shifting mode.
Manual Transmission Fluid:
BMW MTF LT-2 (or equivalent API GL-4 SAE 75W-80)
Automatic Transmission Fluid:
ATF LT 71141 (or equivalent ZF TE-ML 11B)
Oil Change Interval:
Typically every 10,000-15,000 miles (15,000-25,000 km) or as indicated by the vehicle's Condition Based Service (CBS) system.
Spark Plug Replacement:
Around 60,000 miles (100,000 km), using Long Life spark plugs (e.g., NGK BKR6EQUP).
Coolant Flush Interval:
Every 30,000-50,000 miles (50,000-80,000 km).
Engine Oil Specification:
BMW Longlife-01 (LL-01) SAE 0W-40 or 5W-30 synthetic oil.
Coolant Specification:
BMW Blue coolant (G48 type) or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water.
Brake Fluid Specification:
DOT 4, low viscosity (LV) brake fluid.
Cooling System Leaks:
Common issues with plastic expansion tanks, water pumps, and radiator end tanks failing.
Oil Pan Gasket Leaks:
Oil leaks from the oil pan gasket and valve cover gasket are frequent.
ABS Wheel Speed Sensors:
Failure of ABS wheel speed sensors can trigger ABS/DSC warning lights.
Vanos System:
Single VANOS unit on the M52TU engine can develop issues with solenoid seals or rattling.
Rear Subframe Mounts:
Cracking or separation of rear subframe mounting points can occur, requiring reinforcement.
