Vehicle Segment:
Compact Executive Sedan/Coupe
Key Competitors:
Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35
Driving Dynamics:
Renowned for its balanced chassis, RWD platform, and engaging driving experience.
Design Language:
Elegantly styled with BMW's signature Hofmeister kink and athletic proportions.
Engine Mechanical:
Complete overhaul, rebuild, component diagnosis, timing, valve train
Engine Electrical:
Ignition system, fuel injection, sensors, ECU troubleshooting, wiring diagrams
Transmission:
Automatic and Manual transmission service, repair, diagnostics, fluid service
Drivetrain:
Driveshafts, differentials, CV joints, wheel bearings
Suspension:
Front and rear suspension components, steering system, wheel alignment
Brakes:
Brake system diagnosis, repair, ABS, component replacement, bleeding procedures
Electrical System:
Lighting, power accessories, HVAC controls, instrument cluster, body control modules
Body And Chassis:
Body panels, doors, glass, interior trim, underbody components
HVAC:
Air conditioning, heating, climate control system diagnosis and repair
Diagnostic Troubleshooting:
Error codes, fault finding, testing procedures, repair strategies
Routine Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement
Major Repairs:
Engine rebuilds, transmission overhauls, component replacement
Diagnostic Procedures:
Step-by-step troubleshooting for common and complex issues
Electrical Component Testing:
Testing sensors, actuators, control modules, and wiring integrity
Specifications And Data:
Torque values, clearances, fluid capacities, diagnostic parameters
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth Of Information:
Factory-level detail, suitable for professional technicians and advanced DIYers
Diagnostic Tools:
Mentions required diagnostic tools and software (e.g., ISTA, DIS)
Engine Type:
Naturally Aspirated Inline-6 Cylinder
Displacement:
3.0 Liters (2979 cc)
Bore X Stroke:
84.0 mm x 89.6 mm
Compression Ratio:
10.2:1
Valvetrain:
Double Overhead Camshafts (DOHC), 24 Valves, VANOS (Variable Valve Timing)
Horsepower:
225 hp @ 6100 rpm
Torque:
214 lb-ft @ 3500 rpm
Fuel Delivery:
Electronic Fuel Injection (Bosch Motronic ME9.2)
Recommended Fuel:
Premium Unleaded (91 AKI or higher)
ECU:
BMW M54 Engine Control Unit
Oil Change Interval:
BMW Condition Based Service (CBS) or typically every 10,000 - 15,000 miles / 12-18 months
Spark Plug Replacement:
Approx. 100,000 miles (check specific maintenance plan)
Engine Oil Type:
SAE 5W-30 Synthetic (BMW Longlife-01 specification recommended)
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based)
Brake Fluid Type:
DOT 4 (BMW recommends DOT 4 PLUS)
Transmission Fluid Auto:
BMW ATF LT 71141 or equivalent (specific type depending on transmission code)
Transmission Fluid Manual:
SAE 75W-90 Synthetic Gear Oil (BMW recommends SAF-XJ or equivalent)
Common Issues Engine:
CCV (Crankcase Ventilation) system failure, oil leaks (valve cover gasket, oil pan gasket), VANOS solenoid issues, ignition coil failure.
Common Issues Cooling:
Plastic coolant expansion tank cracks, water pump failure, thermostat housing leaks.
Common Issues Suspension:
Front control arm bushings (RTABs), sway bar links, rear subframe bushings, strut mounts.
Common Issues Electrical:
Window regulator failure, OBC (On-Board Computer) issues, ABS sensor failures, fuel pump failure.
