Engine Mechanical:
Detailed procedures for engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, timing system, lubrication system, and valve train.
Engine Management Driveability:
Comprehensive diagnostics and repair for Electronic Engine Control (EEC) systems, including sensors (MAF, MAP, O2, Crankshaft, Camshaft), actuators, fuel injectors, ignition coils, and emissions control systems.
Fuel System:
Information on fuel pumps, fuel filters, fuel injectors, fuel pressure regulators, EVAP systems, and diagnosis of fuel delivery issues.
Cooling System:
Covers radiator, water pump, thermostat, coolant hoses, electric cooling fans, and diagnosis of overheating issues.
Ignition System:
Details on spark plugs, ignition coils, crankshaft position sensor, camshaft position sensor, and diagnosis of ignition misfires.
Exhaust System Emission Controls:
Includes information on exhaust manifolds, catalytic converters, oxygen sensors, muffler, and diagnosis of emissions-related fault codes.
Manual Transmission Clutch:
Procedures for clutch replacement, transmission disassembly/assembly, gear oil specifications, and driveshaft and universal joint maintenance.
Automatic Transmission:
Covers automatic transmission fluid type, capacity, service intervals, torque converter, and troubleshooting for AT issues.
Driveshaft And Final Drive:
Maintenance and repair of rear axle, differential, driveshafts, CV joints, and fluid specifications.
Brakes:
Detailed procedures for brake pad and rotor replacement, brake caliper service, brake fluid specifications and bleeding, ABS system diagnostics, and parking brake adjustments.
Suspension And Steering:
Covers struts, shock absorbers, control arms, ball joints, tie rods, power steering system, steering rack, wheel alignment specifications, and wheel bearing replacement.
Body And Interior:
Includes procedures for body panel removal/installation, door mechanisms, interior trim, seats, airbags, climate control system, and body electrical components.
Electrical System:
Comprehensive wiring diagrams, fuse box layouts, relay locations, battery, alternator, starter motor, lighting systems, diagnostic connector (OBD-II), and common electrical troubleshooting guides.
Maintenance Procedures:
Oil changes, filter replacements, coolant flushes, brake fluid flushes, spark plug replacement, belt replacement, and general inspections.
Diagnostic Procedures:
Troubleshooting flowcharts for common symptoms, use of diagnostic scan tools (OBD-II), interpretation of diagnostic trouble codes (DTCs), and component testing.
Repair Procedures:
Step-by-step instructions for component removal, installation, and adjustment for all major systems.
Rebuild Procedures:
Detailed instructions for complete engine and transmission rebuilds, including torque specifications and clearances.
Depth Of Coverage:
Factory-level technical information, covering everything from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and electrical troubleshooting.
Oil Change Interval:
Variable Service Interval (VSI) system, typically around 10,000-15,000 miles or as indicated by the car's computer. Recommended maximum interval: 12 months.
Spark Plug Replacement:
Approximately every 60,000 miles, depending on spark plug type (e.g., NGK BKR6EQUP).
Coolant Flush:
Every 2-3 years or approximately 30,000 miles.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Engine Oil Type:
BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, typically 0W-40 or 5W-40. Engine oil capacity: 6.5 liters (6.9 US quarts).
Coolant Type:
BMW Blue Antifreeze/Coolant (G48) or equivalent, mixed 50/50 with distilled water. Capacity: Approximately 7.5 liters (7.9 US quarts).
Brake Fluid Type:
DOT 4 (BMW High Performance or equivalent).
Rod Bearings:
Premature wear of rod bearings is a well-documented issue, especially in earlier models or cars driven aggressively. Regular oil changes with quality oil are crucial.
Subframe Mounts:
Cracking or tearing of the rear subframe mounting points due to stress.
Throttle Actuators:
Failure of the electronic throttle actuators (especially on cars with Individual Throttle Bodies - ITBs).
Cooling System:
Plastic coolant expansion tanks can become brittle and crack.
