Engine:
Detailed disassembly, assembly, overhaul, diagnostics, and repair for the M52TU B28 engine.
Fuel System:
Fuel pump, injectors, fuel lines, fuel pressure regulator, EVAP system diagnostics and repair.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan clutch, heater core diagnosis and replacement.
Ignition System:
Spark plugs, ignition coils, ignition control module (DISA unit), wiring diagrams, and troubleshooting.
Exhaust System:
Exhaust manifold, catalytic converter, muffler, oxygen sensors, and exhaust hangers.
Transmission Manual:
Clutch, flywheel, gearbox internals, shift linkage, and related components for manual transmissions (e.g., Getrag).
Transmission Automatic:
Steptronic automatic transmission (e.g., GM 5L40-E) overhaul, diagnostics, fluid service, and electronic control module (TCU) information.
Drivetrain:
Driveshaft, CV joints, differential, axle shafts, and wheel bearings.
Suspension Front:
Struts, control arms, ball joints, sway bar, wheel bearings, and alignment specifications.
Suspension Rear:
Multi-link rear suspension components, shock absorbers, control arms, sway bar, and alignment.
Steering:
Power steering pump, steering rack, tie rods, steering column, and alignment.
Brakes Front:
Brake calipers, rotors, brake pads, brake lines, and ABS components.
Brakes Rear:
Brake calipers, rotors, brake pads, parking brake mechanism, and brake lines.
Anti Lock Braking System ABS:
ABS hydraulic unit, wheel speed sensors, ABS control module, and troubleshooting.
Traction Control System Asc DTC:
ASC (Automatic Stability Control) and DTC (Dynamic Traction Control) system components and operation.
Electrical System Power:
Battery, alternator, starter motor, charging system diagnostics.
Lighting System:
Headlights, taillights, interior lighting, fog lights, and associated wiring and control modules.
Body Exterior:
Bumpers, fenders, doors, hood, trunk, glass, seals, and body panel removal/installation.
Body Interior:
Dashboard, seats, door panels, headliner, carpeting, and interior trim components.
HVAC Climate Control:
Heater, air conditioning (A/C) system, blower motor, control panel, refrigerant system, and climate control module.
Infotainment Audio:
Radio, CD player, speakers, antenna, and amplifier (if equipped).
Instrumentation Gauges:
Instrument cluster, tachometer, speedometer, fuel gauge, temperature gauge, warning lights, and diagnostics.
Security System Alarms:
Factory alarm system, central locking, keyless entry, and immobilizer system.
Airbags Safety Restraints:
Airbag modules, seat belt pre-tensioners, SRS control module, and related wiring and diagnostics.
ECU Dme Control Modules:
Digital Motor Electronics (DME) control unit, transmission control unit (TCU), ABS/ASC control module, and other ECUs.
Diagnostic Troubleshooting:
OBD-II diagnostic procedures, fault code interpretation, and diagnostic tool usage.
Routine Maintenance:
Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, fluid level checks and top-offs.
Major Engine Repair:
Engine overhaul, piston ring replacement, valve seal replacement, timing chain/guide/tensioner replacement.
Transmission Service:
Transmission fluid and filter changes (automatic and manual), clutch replacement, clutch fluid service.
Brake System Repair:
Brake pad and rotor replacement, caliper servicing, brake fluid bleeding and replacement.
Suspension Component Replacement:
Strut/shock absorber replacement, control arm replacement, ball joint replacement, bushing replacement.
Steering System Repair:
Tie rod end replacement, power steering pump replacement, steering rack replacement.
Electrical Troubleshooting:
Wiring harness repair, component testing, circuit tracing using wiring diagrams.
HVAC System Repair:
A/C compressor replacement, condenser replacement, evaporator service, blower motor replacement, refrigerant charging.
Body Panel Replacement:
Door replacement, fender replacement, bumper cover repair/replacement, hood and trunk alignment.
Interior Trim Removal:
Dashboard removal, door panel removal, seat removal, headliner repair.
Diagnostic Procedures:
Step-by-step troubleshooting guides for common and uncommon issues.
Depth Of Coverage:
Comprehensive: Covers everything from basic fluid checks to complete engine and transmission rebuilds.
Diagnostic Detail:
Detailed diagnostic procedures, including symptom identification, test procedures, and component testing.
Torque Specifications:
Includes specific torque values for all critical fasteners.
Alignment Specifications:
Wheel alignment angles (camber, caster, toe) and chassis alignment procedures.
Wiring Diagrams:
Detailed electrical system wiring diagrams for all major circuits.
Special Tools:
Lists required special tools and their BMW part numbers where applicable.
Oil Change Interval:
BMW Condition Based Service (CBS) system, typically around 10,000-15,000 miles or annually, depending on driving conditions.
Air Filter Replacement:
Recommended every 30,000 miles or as indicated by CBS.
Cabin Filter Replacement:
Recommended every 15,000-30,000 miles or annually.
Spark Plug Replacement:
Recommended every 100,000 miles (long-life plugs).
Coolant Flush:
BMW recommends coolant service every 2-4 years or 50,000 miles.
Brake Fluid Flush:
Recommended every 2 years, regardless of mileage.
Engine Oil Type:
SAE 5W-30 synthetic engine oil meeting BMW Longlife-01 (LL-01) specification is highly recommended. Older recommendations may include 5W-40 LL-01.
Engine Oil Capacity:
6.5 US quarts (6.2 liters) with filter change.
Coolant Type:
BMW Blue Coolant (G48 Ethylene Glycol based) or equivalent.
Power Steering Fluid:
Pentosin CHF 11S or ZF Servolenkungsaft (Green)
Cooling System Leaks:
Common issues include failure of the plastic coolant expansion tank, water pump, and thermostat housing, leading to leaks.
Crankcase Ventilation System:
Clogged PCV (Positive Crankcase Ventilation) valve or hoses can lead to rough idle, oil leaks, and vacuum issues.
Oil Pan Gasket Leaks:
Oil pan gaskets and valve cover gaskets are prone to hardening and leaking over time.
Vanos System:
VANOS solenoid seals can degrade, causing rough idle, hesitation, and loss of low-end torque.
Window Regulators:
Common failure of the electric window regulators, leading to windows not operating.
Subframe Mounts:
Rear subframe mounting points can crack or fail over time due to stress, affecting handling and alignment.
ABS Wheel Speed Sensors:
ABS and traction control warning lights may illuminate due to failing wheel speed sensors.
Headlight Aiming Mechanism:
Plastic gears in the headlight leveling system can break, causing headlights to be misaligned.