Segment:
Premium Mid-Size Sport Sedan/Coupe/Convertible
Competitors:
Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37
Performance Focus:
Known for its powerful twin-turbocharged engine and engaging driving dynamics
Luxury Appointments:
High-quality interior materials, advanced technology, and refined ride
Benefits:
Enables DIY enthusiasts and professional technicians to perform accurate diagnostics and repairs, saving time and money.
Licensing:
Officially Licensed (implies accuracy and adherence to manufacturer specifications)
Engine:
N54 Twin-Turbocharged Inline-6, including diagnosis, repair, and overhaul
Fuel System:
High-pressure direct injection, fuel pump, injectors, pressure regulation
Ignition System:
Coil-on-plug ignition, spark plugs, diagnostic procedures
Cooling System:
Radiator, water pump, thermostat, coolant types, bleed procedures
Exhaust System:
Catalytic converters, mufflers, oxygen sensors, emissions control
Transmission Automatic:
ZF 6HP19TU/21TU, shift logic, fluid, torque converter, mechatronics
Transmission Manual:
Getrag GS6-37BZ, clutch, gearbox overhaul, shifter mechanism
Drivetrain:
Rear-wheel drive, driveshaft, differential, axle shafts
Suspension:
Front struts, rear multi-link, control arms, bushings, alignment specifications
Steering:
Hydraulic power steering, steering rack, tie rods, electronic power steering (EPS) troubleshooting (if applicable)
Brakes:
ABS, DSC, front vented discs, rear vented discs, brake fluid, bleeding procedures, parking brake
Electrical System:
12V battery, alternator, starter, wiring diagrams, fuses, relays
Body Control Module:
BCM, body electronics, comfort features, lighting
Infotainment:
iDrive system, radio, navigation, Bluetooth, auxiliary input
Climate Control:
HVAC system, A/C compressor, refrigerant, climate control module
Safety Systems:
Airbags, SRS module, seatbelt pre-tensioners, occupant sensors
Bodywork:
Body panels, doors, hood, trunk, trim, glass, rust prevention
Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement, brake pad/rotor replacement
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based diagnostics, common fault finding
Repair:
Component removal and installation, system overhauls, component-level repair
Diagnostics:
OBD-II diagnostics, BMW-specific diagnostic protocols, using ISTA/D or similar tools
Wiring Diagrams:
Detailed electrical schematics for all systems
Specifications:
Torque values, clearances, fluid capacities, resistance readings
Depth:
Comprehensive, covering basic maintenance to full engine and transmission rebuilds
Detail Level:
Detailed step-by-step instructions, illustrations, and diagrams
Diagnostic Tools:
Recommendations for diagnostic tools and equipment
Display:
Central Information Display (CID) controlled by iDrive interface
Audio Options:
Professional Radio, Logic7 Sound System (optional)
Navigation:
BMW Professional Navigation System (optional)
Parking Assist:
Front and Rear Park Distance Control (PDC)
Cruise Control:
Standard cruise control, Adaptive Cruise Control (ACC) may be optional on some models
Bluetooth:
Bluetooth connectivity for hands-free calling and audio streaming (often with advanced options like BMW Assist)
Usb Aux:
Auxiliary audio input, USB interface for audio playback (optional)
Oil Change Interval:
Condition-Based Service (CBS) system, typically around 10,000-15,000 miles or 12 months
Brake Fluid Change:
Every 2 years (as per CBS)
Spark Plug Replacement:
Typically around 60,000 miles (check CBS)
Engine Air Filter:
Check at ~30,000 miles, replace as needed
Engine Oil Type:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, SAE 0W-30 or 5W-30
Coolant Type:
BMW Blue Coolant (G48 Ethylene Glycol)
Power Steering Fluid:
BMW Power Steering Fluid (CHF 11S or Pentosin equivalent)
High Pressure Fuel Pump:
N54 HPFP is a common failure point, leading to misfires and loss of power.
Turbocharger Wastegate Rattle:
Can occur due to worn wastegate actuators, leading to noise.
Injectors:
Early N54 injectors can be prone to failure, causing rough idling and misfires.
Oil Cooler Gaskets:
Leaking oil cooler gaskets can lead to oil loss and potential fire hazards.
Water Pump Thermostat:
Electric water pump and thermostat failures can cause overheating.