Vehicle Segment:
Compact Executive Sedan/Wagon
Target Audience:
Individuals seeking a balance of performance, luxury, and practicality with all-wheel-drive capability.
Key Competitors 2002:
Audi A4 Quattro, Mercedes-Benz C-Class (C320), Lexus IS300
Drivetrain Advantage:
xDrive all-wheel-drive system provides enhanced traction and stability, particularly in adverse weather conditions.
Handling Dynamics:
Renowned BMW 'Ultimate Driving Machine' characteristics, precise steering, and balanced chassis.
Engine Smoothness:
Inline-six engine known for its refinement, power delivery, and signature sound.
Primary Use:
To provide detailed, accurate, and comprehensive repair and maintenance procedures for the BMW 325xi (E46) 2002 model year.
Engine Mechanical:
Complete overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling
Engine Performance:
Fuel delivery, ignition system, emissions control, engine management (DME), turbocharger (if applicable to specific variant, though not on 325xi)
Drivetrain:
xDrive all-wheel drive system, transfer case, differentials (front, rear), driveshafts, CV joints
Transmission:
Automatic and Manual transmission overhaul, clutch, torque converter, electronic control units (GM 5L40-E for auto)
Suspension:
Front struts, rear shock absorbers, control arms, bushings, springs, anti-roll bars, subframes
Steering:
Power steering system, steering rack, tie rods, steering column, steering angle sensor
Brakes:
Front and rear disc brakes, ABS system, DSC (Dynamic Stability Control), brake fluid, hydraulic lines, calipers, rotors
Electrical System:
Battery, alternator, starter, fuses, relays, wiring diagrams, lighting system, power windows, mirrors, seats, locks
Comfort Systems:
HVAC (Heating, Ventilation, Air Conditioning), climate control, blower motor, evaporator, condenser, refrigerant servicing
Body And Interior:
Body panels, doors, hood, trunk, bumpers, interior trim, seating, safety belts, airbags
Routine Maintenance:
Oil and filter change, air filter replacement, spark plug replacement, fluid checks and top-offs, brake pad replacement
Diagnostic Procedures:
Troubleshooting guides for common symptoms, fault code interpretation (OBD-II), electrical system diagnostics
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment for all major systems
Engine Rebuilds:
Detailed procedures for complete engine disassembly, inspection, and reassembly
Transmission Service:
Fluid and filter changes, seal replacement, torque converter removal and installation
Brake System Service:
Pad and rotor replacement, caliper servicing, bleeding procedures, ABS/DSC component testing
Electrical Troubleshooting:
Wiring harness repair, component testing and replacement, diagnostic scanner usage
Air Conditioning Service:
Refrigerant evacuation and recharge, leak detection, component replacement
Depth:
Comprehensive coverage suitable for professional mechanics and advanced DIY enthusiasts
Detail Level:
Detailed torque specifications, clearances, tolerances, and assembly sequences
Diagnostic Tools:
Information on specific diagnostic tools and procedures used by BMW technicians
Transmission Type AWD:
xDrive All-Wheel Drive with Electronic Transfer Case
Manual Transmission Option:
5-Speed Manual (Getrag GS5-39DZ)
Automatic Transmission Option:
5-Speed Automatic (GM 5L40-E)
Automatic Transmission Features:
Steptronic manual shifting mode
Automatic Transmission Fluid:
Dexron III or equivalent (BMW part number 83 22 0 026 922 or similar)
Manual Transmission Fluid:
BMW MTF LT-2 (BMW part number 83 22 0 309 031 or similar)
Oil Change Interval:
15,000 miles or 1 year, whichever comes first (based on Condition Based Service - CBS system or typical recommendations)
Brake Fluid Flush:
Every 2 years
Coolant Flush:
Every 4 years or 60,000 miles (typically BMW blue coolant)
Spark Plug Replacement:
Around 60,000-100,000 miles depending on plug type (e.g., Long Life Platinum/Iridium)
Engine Oil Type:
SAE 5W-30 Synthetic (BMW LL-01 or LL-04 approved)
Engine Oil Capacity:
Approx. 6.5 liters (6.9 US quarts) with filter change
Coolant Type:
BMW Engine Coolant Antifreeze (Blue) - G48 formulation
Cooling System:
Water pump failure (plastic impeller), thermostat housing leaks, expansion tank cracks
Suspension:
Control arm bushings (vibrations), rear subframe bushings (clunking noises), strut mount wear
Oil Leaks:
Valve cover gasket, oil pan gasket, oil filter housing gasket
Electrical:
CCFL angel eye rings failure, ABS/DSC sensor issues, window regulator failure
Drivetrain AWD:
Vibrations from driveshaft guibo (flex disc) failure, transfer case actuator issues
