Engine Mechanical:
Detailed rebuild procedures, component specifications, torque values
Engine Management:
ECU diagnosis, sensor data, fuel injection, ignition system
Drivetrain:
SMG (Sequential Manual Gearbox) and 6-speed manual transmission service
Power Steering:
Hydraulic system diagnosis and repair
Cooling System:
Radiator, water pump, thermostat, fan operation
Fuel System:
Fuel pump, injectors, fuel pressure regulation
Exhaust System:
Catalytic converters, mufflers, pipe routing
Brake System:
ABS, DSC, rotor and pad replacement, hydraulic lines
Steering System:
Rack and pinion, tie rod ends, alignment specifications
Suspension Components:
Struts, shock absorbers, control arms, bushings, sway bars
Wheel Alignment:
Camber, caster, toe specifications
Electrical Diagnostics:
Wiring diagrams, fuse box locations, relay functions, component testing
Lighting System:
Headlights, taillights, interior lighting, Xenon systems
Instrument Cluster:
Gauge operation, warning lights, diagnostic trouble codes (DTCs)
Audio System:
Head unit repair, speaker replacement, amplifier troubleshooting
HVAC System:
A/C compressor, refrigerant, blower motor, climate control module
Body Panels:
Door panel removal, fender replacement, bumper repair
Interior Trim:
Seat removal, dashboard components, headliner
Safety Restraints:
Airbag system diagnosis, seatbelt mechanisms
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement
Engine Rebuild:
Complete disassembly and reassembly of S54 engine
Transmission Repair:
SMG and manual gearbox overhaul, clutch replacement
Brake Service:
Pad and rotor replacement, caliper overhaul, bleeding procedures
Suspension Component Replacement:
Shock absorber, control arm, bushing replacement
Electrical Troubleshooting:
Step-by-step diagnostic flowcharts for common electrical faults
Diagnostic Code Retrieval:
Instructions for using OBD-II scanners and BMW-specific diagnostic tools
Component Testing:
Testing of sensors, actuators, and electronic modules
Body Repair:
Panel alignment, dent removal, rust repair guidance
Climate Control Repair:
Leak detection, component replacement, system charging
Wheel And Tire Service:
Tire mounting, balancing, wheel bearing replacement
Diagnostics And Fault Finding:
Systematic approach to diagnosing complex issues
Depth:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Detail Level:
Highly detailed, with step-by-step instructions, diagrams, and specifications
Oil Change Interval:
Typically every 10,000-15,000 miles or as indicated by the Condition Based Service (CBS) system
Oil Filter Replacement:
At every oil change
Air Filter Replacement:
Every 30,000-60,000 miles or as needed
Cabin Air Filter:
Every 15,000-30,000 miles
Spark Plugs:
Every 60,000 miles (specific plug type recommended)
Brake Fluid Flush:
Every 2 years
Coolant Flush:
Every 2-4 years or as per CBS
Engine Oil:
BMW High Performance Synthetic SAE 0W-40 or 5W-40 (BMW LL-01 approved)
Engine Oil Capacity:
Approx. 6.5 liters (6.9 US quarts) with filter
Transmission Fluid Manual:
BMW MTF-LT-2 (or equivalent like Red Line MTL)
Transmission Fluid Smg:
Pentosin CHF 11S (or BMW P/N 83290429576)
Differential Fluid:
BMW Hypoid Gear Oil G2 (or equivalent SAE 75W-90 synthetic)
Coolant:
BMW Blue Antifreeze/Coolant (G48) or equivalent
Rod Bearings:
Wear is a common concern; proactive replacement is often recommended
Vanos System:
Potential failure of the VANOS solenoids or seals, leading to rough idle or power loss
Throttle Bodies:
Sticking or failing electronic throttle bodies (ETBs)
Subframe Mounts:
Cracking or separation of rear subframe mounting points
Cooling System Leaks:
Plastic expansion tank and hose failures