Engine:
Detailed diagnostics, repair, overhaul, and specifications for M52TU B28 engine
Engine Management:
Diagnosis and repair of DME (Digital Motor Electronics), sensors, actuators, and emissions control systems
Fuel System:
Fuel pump, injectors, fuel pressure regulator, lines, tank, and evaporative emissions (EVAP) system
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications, and fan clutch/electric fan
Exhaust System:
Manifolds, catalytic converters, mufflers, oxygen sensors, and component replacement
Transmission Manual:
Clutch, gearbox, shift linkage, and related components for manual transmissions (e.g., Getrag 250G)
Transmission Automatic:
Diagnosis, repair, and fluid service for automatic transmissions (e.g., GM A5S325Z)
Drivetrain:
Driveshaft, CV joints, differential, axle shafts, and wheel bearings
Suspension:
Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs, and alignment specifications
Steering:
Power steering system, pump, rack and pinion, tie rods, and steering column
Brakes:
Front and rear disc brakes, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid, calipers, rotors, pads, and bleeding procedures
Electrical System:
Battery, alternator, starter, lighting, ignition system, and power distribution
Body And Chassis:
Body panels, doors, hood, trunk, interior trim, and basic chassis structure
HVAC:
Heating, Ventilation, and Air Conditioning system, blower motor, evaporator, condenser, refrigerant, and climate control modules
Interior:
Seats, airbags, seatbelts, dashboard, and interior trim removal/installation
Exterior:
Bumpers, fenders, grille, mirrors, and glass replacement
Diagnostic Tools:
Information on using OBD-II scanners and BMW-specific diagnostic tools (e.g., ISTA/D)
Basic Maintenance:
Oil changes, filter replacements, spark plug service, fluid level checks
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting guides
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation
Rebuilds:
Engine and transmission rebuild procedures with torque specifications and clearances
Installation:
Installation guides for common aftermarket or replacement parts
Wheel Alignment:
Front and rear wheel alignment specifications and adjustment procedures
Brake Bleeding:
Procedure for bleeding the brake system, including ABS unit bleeding if applicable
Timing Belt Chain:
Information on engine timing chain tensioners and guides, not typically belt-driven for this engine
Electrical Diagnostics:
Wiring diagrams, component testing, and troubleshooting for electrical faults
Depth:
Comprehensive, covering everything from basic fluid changes to complete engine and transmission overhauls and advanced electrical diagnostics.
Oil Change Interval:
BMW Condition Based Service (CBS) system, typically 7,500-10,000 miles or annually.
Major Service Intervals:
Spark plugs (approx. 60,000 miles), coolant flush (approx. 2 years or 30,000 miles), brake fluid flush (every 2 years).
Engine Oil Specification:
SAE 5W-30 synthetic oil meeting BMW LL-01 or LL-04 specification (check owner's manual for exact spec).
Engine Oil Capacity:
Approx. 6.5 quarts (6.1 liters) with filter change
Coolant Type:
BMW Blue Coolant (G48 ethylene glycol based) or equivalent
Power Steering Fluid:
BMW Power Steering Fluid (green colored) or CHF 11S (Pentosin)
Cooling System:
Plastic coolant expansion tanks can become brittle and crack; water pump failure (plastic impeller).
Vanos:
VANOS seals (O-rings) can degrade, leading to rough idle and performance issues.
Suspension:
Worn control arm bushings, thrust arm bushings, and rear shock mounts are common.
Oil Leaks:
Valve cover gasket and oil pan gasket are common leak points.
ABS/Dsc:
ABS/DSC wheel speed sensors can fail, leading to warning lights.
Subframe:
Cracks can develop in the rear subframe mounting points, especially on higher mileage vehicles.
Oil Filter Example:
Mann-Filter HU 825/3 X or Mahle OX 172/1 D
Cabin Air Filter Example:
Mann-Filter CU 2450 or equivalent
