Engine Mechanical:
Engine assembly, cylinder head, pistons, crankshaft, timing system, lubrication system, cooling system, fuel injection, emissions control
Engine Electrical:
Ignition system, starter motor, alternator, engine control unit (ECU) wiring diagrams, sensors, actuators
Transmission:
Automatic transmission (e.g., ZF 6HP series), removal, installation, overhaul, fluid specifications, electronic control
Drivetrain:
Driveshafts, differential, wheel bearings, CV joints
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications
Brakes:
Brake system components (calipers, rotors, pads, lines), ABS, DSC (Dynamic Stability Control), parking brake, hydraulic system
Steering:
Power steering system, steering rack, steering column, steering angle sensor
Electrical System:
Battery, charging system, lighting (headlights, taillights, interior), fuse box locations, relay functions, wiring harnesses
Body And Chassis:
Body panel removal/installation, doors, hood, trunk, interior trim, body sealing, chassis components
Climate Control:
HVAC system, A/C compressor, refrigerant, climate control unit, actuators
Infotainment And Navigation:
iDrive system, radio, navigation, speaker system, connectivity modules (e.g., Bluetooth)
Safety Systems:
Airbag system, seatbelt pretensioners, advanced driver assistance systems (ADAS) if equipped
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections
Diagnostic Troubleshooting:
Step-by-step troubleshooting guides for common and complex issues, diagnostic trouble codes (DTCs) interpretation
Component Replacement:
Detailed procedures for replacing engine components, transmission, suspension parts, brake assemblies, electrical modules, body panels
Engine Rebuild:
Overhaul procedures for engine internal components
Transmission Overhaul:
Detailed steps for the repair and rebuilding of the automatic transmission
Electrical Diagnosis:
Wiring diagrams, circuit testing, component testing procedures
Body Repair:
Procedures for body panel removal, installation, and adjustment
Climate Control Service:
A/C system service, refrigerant charging, component replacement
Software And Module Updates:
Likely includes information or references to software flashing and module coding procedures (common in BMW)
Depth:
Comprehensive, covering from basic maintenance to complex engine and transmission overhauls, with detailed electrical schematics and diagnostic information
NHTSA Front Impact:
5-Star (for Coupe)
IIHS Side Impact:
Good (for Coupe)
Traction Control:
Dynamic Traction Control (DTC), Dynamic Stability Control (DSC)
Braking Assist:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist
Other:
Tire Pressure Monitoring System (TPMS), Xenon Adaptive Headlights
Airbags:
Front airbags, side-impact airbags, front and rear head protection system (curtain airbags)
Seatbelts:
Pretensioners and force limiters, active head restraints
Convertible Safety:
Pop-up roll bars (automatically deploy in event of rollover)
System:
iDrive infotainment system with Central Information Display (CID)
Features:
Navigation system, radio, CD/DVD player, Bluetooth connectivity, optional SIRIUS satellite radio, Logic 7 audio system.
Systems:
Dynamic Stability Control (DSC), Adaptive Headlights, optional Head-Up Display (HUD), front and rear parking sensors (Park Distance Control - PDC).
Bluetooth:
Integrated Bluetooth for hands-free calling and audio streaming.
Keyless Entry:
Comfort Access keyless entry and start.
Oil Change Interval:
Typically every 10,000 - 15,000 miles or as indicated by the vehicle's Condition Based Service (CBS) system. Refer to manual for specific guidance.
Transmission Fluid Service:
While often considered 'lifetime' by manufacturers, BMW recommends fluid and filter changes for automatic transmissions at higher mileage intervals (e.g., 60,000 - 100,000 miles) for optimal longevity. Consult manual.
Engine Oil:
BMW Longlife-01 (LL-01) synthetic oil, SAE 0W-30 or 0W-40 recommended. Check manual for precise viscosity and specification.
Coolant:
BMW Blue Antifreeze/Coolant (G48) mixed with distilled water, typically a 50/50 ratio.
Brake Fluid:
DOT 4 Low Viscosity (LV) brake fluid.
Common Problems Engine:
Oil pan gasket leaks, valve cover gasket leaks, coolant leaks (especially from the plastic thermostat housing and coolant hoses), VANOS solenoids, ignition coil failures, fuel injector issues.
Common Problems Transmission:
Mechatronics unit issues, torque converter problems, electronic transmission control module (TCM) faults.
Common Problems Electrical:
Water ingress into LCM (Light Module Control), CIC (Car Information Computer) module failures, parking sensor malfunctions, power seat module issues.
Common Problems Suspension:
Wear of control arm bushings, front sway bar links, and possible Active Front Steering (AFS) system issues.
Common Problems Body:
Convertible top mechanism issues, water leaks around windows and seals.