Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly of the M52B25TU engine.
Fuel System:
Fuel pump, injectors, fuel pressure regulator, fuel tank, lines, and emissions control (EVAP).
Ignition System:
Spark plugs, ignition coils (coil-on-plug), crankshaft position sensor, camshaft position sensors.
Cooling System:
Radiator, water pump, thermostat, hoses, fan clutch, coolant reservoir, bleeding procedures.
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, O2 sensors, gaskets.
Drivetrain Manual:
Manual transmission (Getrag 250) removal, installation, internal inspection, clutch replacement.
Drivetrain Automatic:
Automatic transmission (GM 5L40-E) removal, installation, fluid service, solenoids, torque converter.
Suspension Front:
MacPherson struts, control arms, ball joints, sway bar links, wheel bearings.
Suspension Rear:
Multi-link suspension, trailing arms, shock absorbers, control arms, sway bar links, wheel bearings.
Steering System:
Power steering pump, steering rack, tie rods, steering column, fluid service.
Brake System Front:
Ventilated disc brakes, calipers, pads, rotors, brake lines, ABS sensors.
Brake System Rear:
Solid disc brakes, calipers, pads, rotors, parking brake mechanism, ABS sensors.
Electrical System General:
12V battery, alternator, starter motor, wiring diagrams, fuses, relays.
Body Exterior:
Body panels, doors, hood, trunk, bumpers, trim, glass, mirrors, locks.
Interior Trim:
Dashboard, seats, door panels, headliner, carpets, interior plastics.
HVAC System:
Blower motor, evaporator, heater core, A/C compressor, refrigerant lines, climate control panel.
Lighting System:
Headlights, taillights, interior lights, fog lights, bulb replacement, wiring.
Instrument Panel:
Gauges, warning lights, warning indicators, OBC (On-Board Computer) functions.
Safety Systems:
Airbag system (SRS), seatbelts, ABS (Anti-lock Braking System), ASC (Automatic Stability Control).
Routine Maintenance:
Oil and filter changes, air filter replacement, cabin filter replacement, spark plug replacement, fluid checks.
Troubleshooting:
Diagnostic procedures for common and uncommon problems, DTC (Diagnostic Trouble Code) interpretation.
Repair Procedures:
Step-by-step instructions for component replacement and repair across all major systems.
Rebuilding Procedures:
Detailed instructions for rebuilding major components like the engine and transmissions.
Refurbishment Restoration:
Guidance on component refurbishment and aesthetic restoration of various parts.
Diagnostic Testing:
Procedures for testing sensors, actuators, and electronic modules using multimeter and diagnostic tools.
Torque Specifications:
Precise torque values for all critical fasteners throughout the vehicle.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems.
Depth Level:
Expert level, covering everything from basic maintenance to complete engine and transmission overhauls.
Diagnostic Capabilities:
Includes methods for diagnosing electronic control unit (ECU) issues and sensor failures.
Bodywork Repair:
Covers panel replacement, rust repair techniques, and alignment specifications.
Interior Refurbishment:
Guidance on repairing worn interior components, upholstery, and trim.
Oil Change Interval:
Typically every 10,000-15,000 miles or 12-24 months, per Condition Based Service (CBS) system or manual recommendation.
Spark Plug Replacement:
Around 60,000-100,000 miles, depending on spark plug type (e.g., platinum or iridium).
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Engine Oil Type:
BMW Longlife-01 (LL-01) or LL-04 compliant synthetic oil, typically SAE 0W-40 or 5W-40.
Engine Oil Capacity:
6.5 Liters (6.9 US Quarts) with filter change
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 or equivalent G40/G41 if specified)
Transmission Fluid Manual:
BMW MTF LT-2 or equivalent synthetic manual transmission fluid (e.g., Red Line MT-90).
Transmission Fluid Automatic:
BMW ATF LT-3 or equivalent (e.g., Dexron III/VI for older specs, or specific LT-4 if superseded).
Power Steering Fluid:
CHF 11S (Pentosin) or BMW PSF
Cooling System:
Plastic coolant expansion tank and radiator can become brittle and crack; water pump failure (plastic impeller).
Suspension:
Front control arm bushings (bushings themselves, not the whole arm), rear trailing arm bushings, and shock mounts are common wear items.
Oil Leaks:
Valve cover gasket, oil pan gasket, and oil filter housing gasket commonly leak.
Electrical:
ABS/DSC wheel speed sensors can fail, leading to warning lights; alternator failure is not uncommon.
HVAC:
Blend door actuators in the HVAC system can fail, affecting temperature control; blower motor resistor failure.