Segment:
Premium Compact Executive Coupe
Competitors:
Audi A4 Cabriolet, Mercedes-Benz C-Class Coupe, Lexus IS Convertible
Driving Dynamics:
Renowned for BMW's characteristic 'Ultimate Driving Machine' handling and performance.
Design:
Elegantly styled coupe with classic BMW proportions and a focus on driver engagement.
Powertrain:
Engine mechanical, fuel system, cooling system, exhaust system, lubrication system
Drivetrain:
Transmission (manual and automatic), differential, driveshafts, axles
Chassis:
Suspension (front and rear), steering system, braking system (including ABS and DSC)
Electrical:
Engine control unit (ECU), body control module (BCM), lighting, power windows, power locks, climate control, entertainment system, diagnostic trouble codes (DTCs)
Body And Interior:
Body panels, doors, windows, seats, dashboard, trim components
Maintenance:
Routine service, oil changes, filter replacements, spark plug replacement, fluid checks and changes
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, DTC interpretation and resolution
Repair:
Component removal, installation, adjustment, and overhaul procedures for all major systems
Technical Specifications:
Torque specifications, clearances, tolerances, fluid capacities and types, wiring diagrams, component identification
Depth:
Expert-level diagnostic and repair procedures, including detailed disassembly and reassembly steps for complex components.
File Type:
Software Application (potentially installer for PDF or proprietary format)
Quality:
High-resolution digital content, optimized for screen viewing and potential printing of sections.
Binding:
Not applicable (Digital Software)
Paper:
Not applicable (Digital Software)
Engine Type:
3.0L Inline-6 (DOHC, 24 valves)
Horsepower:
225 hp @ 6100 rpm
Torque:
214 lb-ft @ 3500 rpm
Injection Type:
Multi-point Fuel Injection (MPI) with Bosch Motronic ECU
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 formulation)
Transmission Type:
5-speed Manual (Getrag S5D 320Z)
Transmission Type:
5-speed Automatic (GM 5L40-E)
Clutch Type:
Hydraulically actuated single dry plate clutch (for manual transmission)
Automatic Transmission Fluid:
Dexron III-H or equivalent (BMW P/N 83 22 0 092 672)
Manual Transmission Fluid:
BMW MTF LT-1 or MTF LT-2 (BMW P/N 83 22 0 309 031 or 83 22 7 533 818)
NHTSA Front Impact:
5-Star
Stability Control:
Dynamic Stability Control (DSC)
Traction Control:
Automatic Stability Control and Traction (ASC+T)
Airbags:
Frontal airbags, front side-impact airbags, available head protection airbags
Seatbelts:
3-point inertia-reel seatbelts with pretensioners
Head Unit:
BMW Business CD, BMW Professional CD, or optional Navigation system
Audio System:
Harman Kardon surround sound system optional
Parking Assist:
Optional Park Distance Control (PDC) rear sensors
Bluetooth:
Optional Bluetooth mobile phone integration
Oil Change Interval:
Condition Based Service (CBS) system, typically 10,000-15,000 miles or annually
Air Filter Replacement:
Every 30,000 miles or as needed based on driving conditions.
Cabin Air Filter Replacement:
Every 15,000-20,000 miles or annually.
Spark Plug Replacement:
Every 100,000 miles (original equipment Bosch Platinum or Iridium plugs)
Engine Oil Specification:
BMW Longlife-01 (LL-01) Synthetic 0W-40 or 5W-40
Engine Oil Capacity:
6.5 US quarts (6.2 Liters) with filter change
Brake Fluid Specification:
DOT 4 (BMW P/N 81 22 9 407 796)
Cooling System:
Plastic expansion tank can become brittle and crack; water pump failure (especially plastic impeller); VANOS system issues (rattling noise, rough idle).
Suspension:
Control arm bushings (clunking noise), rear shock mounts, subframe bushings.
Electrical:
ABS/DSC sensor failures, window regulator failures, alternator issues, CCM (Check Control Module) errors.
Engine Internal:
Oil separator (CCV) valve can clog, leading to rough idle or oil leaks.
Heritage:
BMW AG, a German multinational company that produces luxury and performance automobiles and motorcycles.
Generation:
E46 generation (1998-2006 production for sedan/wagon, 1999-2006 for coupe/convertible)
Manufacturing Location:
Germany (e.g., Dingolfing plant)
