Segment:
Premium compact executive sedan/wagon.
Competitors:
Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS 250 AWD, Acura TL SH-AWD.
Performance Handling:
Renowned for its balanced chassis, rear-wheel-drive bias (even with AWD), and engaging driving dynamics.
All Wheel Drive:
xDrive intelligent all-wheel-drive system provides enhanced traction and stability in various conditions.
Premium Appointments:
High-quality interior materials, advanced technology, and refined comfort.
Engine Systems:
Engine mechanical, fuel system, ignition system, cooling system, lubrication system, emission controls, engine management (DME).
Transmission Systems:
Automatic transmission (e.g., GM/ZF 6HP series), manual transmission, clutch, driveline components.
Suspension Steering:
Front and rear suspension, steering system, power steering.
Braking Systems:
Brake hydraulics, ABS, DSC (Dynamic Stability Control), brake pad/rotor replacement, brake fluid.
Electrical Systems:
Battery, charging system, starter, lighting, body control modules (BCM), fuse/relay locations, wiring diagrams.
HVAC Systems:
Air conditioning, heating, ventilation, climate control.
Bodywork Interior:
Body panel removal/installation, interior trim, seats, doors, windows, body sealing.
Diagnostics Troubleshooting:
Diagnostic trouble codes (DTCs), common faults, troubleshooting procedures, component testing.
Maintenance Procedures:
Oil change, filter replacements (oil, air, cabin, fuel), spark plug replacement, fluid checks and changes (coolant, brake, power steering, transmission).
Repair Procedures:
Engine component replacement (e.g., alternators, water pumps, starter motors), transmission service, brake system repair, suspension component replacement, exhaust system repair, electrical component troubleshooting and replacement.
Troubleshooting Guides:
Step-by-step diagnostic trees for common drivability, electrical, and mechanical issues.
Specifications Data:
Torque specifications, diagnostic data, fluid capacities, component clearances.
Depth Level:
In-depth mechanical and electrical repair, including complete engine and transmission overhauls, electronic system diagnostics, and bodywork procedures.
Engine Name:
3.0L Naturally Aspirated Inline-6
Engine Displacement:
2996 cc (3.0 Liters)
Engine Configuration:
Inline 6-cylinder, DOHC, 24 valves (VANOS and Valvetronic variable valve timing)
Horsepower:
230 hp @ 6500 rpm
Torque:
200 lb-ft @ 2750 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with multi-point injection.
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Timing Drive:
Timing Chain (no periodic replacement required, but tensioners and guides are potential failure points).
Transmission Type:
6-Speed Manual (Optional on some configurations, though AWD often paired with automatic)
Transmission Type:
6-Speed Automatic Steptronic with Paddle Shifters
AWD System:
xDrive intelligent AWD system (typically 35:65 front/rear torque split, variable based on conditions)
Automatic Transmission Fluid:
BMW ATF 6 (or equivalent like Shell LA2634, Pentosin ATF1)
NHTSA Front Impact:
5-Star (for comparable models/years)
IIHS Side Impact:
Good (for comparable models/years)
Stability Control:
Dynamic Stability Control (DSC), including Traction Control (ASC+T), ABS, CBC (Cornering Brake Control), DBC (Dynamic Brake Control).
Braking Assist:
Brake Assist system.
Airbags:
Front airbags, front side-impact airbags, head protection system (curtain airbags).
Infotainment System:
iDrive system (early generation), offering navigation, audio, climate control, and vehicle settings.
Audio Options:
Standard professional audio system, optional Harman Kardon surround sound.
Driver Assistance Features:
Cruise control, optional parking sensors (Park Distance Control - PDC), optional Xenon Adaptive Headlights.
Connectivity Options:
Bluetooth hands-free connectivity (optional), USB/Auxiliary audio input.
Oil Change Interval:
Variable (Condition Based Service - CBS), typically around 10,000-15,000 miles or 12-24 months.
Brake Fluid Flush:
Every 2 years (per BMW recommendation).
Cabin Air Filter:
Recommended every 15,000-30,000 miles or annually.
Engine Air Filter:
Recommended every 30,000 miles.
Spark Plugs:
Recommended around 100,000 miles (check manual for specific type and gap).
Engine Oil Type:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic oil, typically SAE 0W-30 or 5W-30.
Coolant Type:
BMW Antifreeze/Coolant (Blue), ethylene glycol based, 50/50 mix with distilled water.
Power Steering Fluid:
BMW Power Steering Fluid (Pentosin CHF 11S or equivalent).
Oil Leaks:
Valve cover gasket, oil filter housing gasket, oil pan gasket are common leak points.
Cooling System:
Plastic water pump impeller failure, thermostat housing leaks, radiator leaks.
Engine Components:
PCV valve (integrated into valve cover on N52), ignition coils, and VANOS solenoids can fail.
Electrical Systems:
Water pump failure often triggers electrical system warnings; door seal issues can lead to water ingress in footwells.
Suspension Steering:
Control arm bushings, tie rod ends, and sway bar links are wear items.
Bmw Legacy:
BMW is renowned for its 'Ultimate Driving Machine' philosophy, emphasizing performance, luxury, and engineering excellence.
E90 Generation:
The E90 generation (introduced in 2005 for sedan) marked a significant redesign, featuring BMW's modern 'flame surfacing' design language and advanced electronic systems.
Manufacturing Locations:
Primarily manufactured in Germany.
