Segment:
Premium Compact Sports Coupe/Convertible
Target Audience:
Enthusiast drivers seeking performance, luxury, and sporty driving dynamics
Key Competitors:
Audi A4 Cabriolet, Mercedes-Benz C-Class Coupe/Convertible, Infiniti G35 Coupe
Model Attributes:
Rear-wheel drive, balanced chassis, refined interior, powerful inline-six engine
Software Benefits:
Instant access, searchable database, printable sections, often more detailed than print manuals
Engine Mechanical:
Complete overhaul, timing, cooling, lubrication, fuel injection, ignition system
Engine Management:
DME (Digital Motor Electronics) diagnostics, sensors, actuators, emissions control
Transmission:
Manual (SMG option) and Automatic transmission repair, diagnostics, fluid service
Drivetrain:
Differential, driveshafts, axles, clutch (manual transmission)
Suspension:
Front and rear suspension components, alignment, shock absorbers, springs, control arms
Steering:
Power steering system, steering rack, tie rods, steering column
Brakes:
Brake system diagnostics, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pad/rotor replacement, hydraulic system
Electrical:
Complete wiring diagrams, fuse box layouts, battery, alternator, starter motor, lighting systems, power windows, mirrors
Body And Interior:
Body panel removal and installation, interior trim, seats, airbags, HVAC (Heating, Ventilation, and Air Conditioning) system
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic tool usage (e.g., ISTA/D)
Maintenance:
Oil changes, filter replacements, spark plug replacement, coolant flush, brake fluid flush, belt replacement
Repair:
Engine component replacement (e.g., water pump, thermostat, VANOS), transmission rebuild, suspension component replacement, brake caliper overhaul
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues
Installation:
Component installation and removal procedures
Specifications:
Torque specifications for all fasteners, fluid capacities, clearances, tolerances
Depth:
Comprehensive, from basic maintenance to complete engine and transmission overhauls
Detail Level:
Detailed step-by-step instructions with accompanying diagrams and illustrations
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 @ 6250 rpm
Torque:
214 lb-ft (290 Nm) @ 3500 rpm
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI)
Recommended Fuel:
Premium Unleaded Gasoline (91 Octane or higher)
Type:
6-Speed Manual Transmission (Getrag GS6-37BZ)
Type:
5-Speed Steptronic Automatic Transmission (GM 5L40-E) with SMG (Sequential Manual Gearbox) functionality
Manual Gear Ratios:
1st: 4.06, 2nd: 2.39, 3rd: 1.57, 4th: 1.18, 5th: 1.00, 6th: 0.83, Reverse: 3.54
Automatic Gear Ratios:
1st: 3.42, 2nd: 2.21, 3rd: 1.42, 4th: 1.00, 5th: 0.73, Reverse: 3.03
Final Drive Ratio:
3.07:1 (Manual), 3.23:1 (Automatic)
NHTSA Front Impact:
5-Star
NHTSA Side Impact:
4-Star
Stability Control:
Dynamic Stability Control (DSC)
Traction Control:
Automatic Stability Control and Traction (ASC+T)
Braking Assist:
Anti-lock Braking System (ABS)
Airbags:
Frontal airbags, side-impact airbags, front and rear head protection system (optional)
Seatbelts:
3-point inertia-reel seatbelts with pretensioners and force limiters
Audio System:
BMW Professional Radio/CD Player, optional Harman Kardon sound system
Navigation:
Optional BMW Professional Navigation System
Climate Control:
Automatic climate control
Cruise Control:
Standard cruise control
Parking Sensors:
Optional Park Distance Control (PDC)
Phone Integration:
Optional Bluetooth hands-free interface
Oil Change:
BMW Condition Based Service (CBS) system, typically 10,000-15,000 miles or 12-24 months, depending on driving conditions
Spark Plugs:
Approximately 60,000 miles (refer to specific spark plug type)
Coolant:
BMW Blue Antifreeze/Coolant, replacement every 2-4 years or as indicated by CBS
Engine Oil:
BMW Longlife-01 (LL-01) approved synthetic oil, typically 5W-30 or 5W-40
Manual Transmission Fluid:
MTF LT-2 or equivalent
Automatic Transmission Fluid:
Dexron VI or ATF LT 71141
Brake Fluid:
DOT 4 High Performance
Power Steering Fluid:
CHF 11S or Pentosin (Green fluid)
Common Problems:
Water pump failure (plastic impeller), VANOS solenoids, oil pan gasket leaks, rear main seal leaks, cooling system hoses, valve cover gasket leaks, clutch wear (manual), fuel pump issues, window regulator failure
Recommended Upgrades:
Metal impeller water pump, improved VANOS solenoids
