Segment:
Compact Executive Sedan/Wagon
Brand Philosophy:
Ultimate Driving Machine, focus on performance, handling, and build quality.
Key Competitors:
Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS250 AWD, Acura TL SH-AWD
Drivetrain:
xDrive All-Wheel Drive system provides enhanced traction and stability in various conditions.
Engine:
Smooth and powerful naturally aspirated inline-six engine (N52).
Handling:
Renowned BMW handling dynamics, balanced chassis, and precise steering.
Supported Years:
2006, 2007, 2008, 2009, 2010
Body Styles Covered:
Sedan (E90), Wagon/Touring (E91)
Estimated Pages:
Hundreds (specific count varies by edition, but implies comprehensive coverage)
Type:
Factory Service Repair Manual (FSM)
Powertrain:
Engine (N52B30), cooling system, fuel system, exhaust system, ignition system, lubrication system, engine management (DME)
Drivetrain:
xDrive All-Wheel Drive (AWD) system, transfer case, front and rear differentials, drive shafts, CV joints
Transmission:
Manual (6-speed Getrag) and Automatic (6-speed ZF) transmissions, clutch, torque converter, transmission control unit (TCU)
Suspension And Steering:
Front and rear suspension components (struts, shocks, control arms, bushings), power steering system, steering rack
Brakes:
Front and rear disc brakes, ABS, DSC (Dynamic Stability Control), brake hydraulics, parking brake
Electrical Systems:
12V battery system, alternator, starter, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams
Body And Interior:
Body panels, doors, windows, seats, airbags, climate control system (HVAC), interior trim, safety restraints
Diagnostics And Troubleshooting:
OBD-II diagnostics, fault codes (DTCs), diagnostic procedures, symptom-based troubleshooting
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement, brake fluid flush
Repair:
Engine component replacement (e.g., water pump, thermostat, VANOS solenoids), transmission overhaul, suspension component replacement, brake caliper/rotor replacement, electrical component diagnosis/replacement
Disassembly And Assembly:
Detailed step-by-step procedures for removing and installing major components and systems
Specifications And Tolerances:
Torque specifications, clearance measurements, wear limits, electrical resistance values
Depth:
Comprehensive: Covers routine maintenance to major component overhauls and diagnostics.
Diagnostic Capabilities:
Advanced diagnostic procedures, including use of BMW-specific diagnostic tools and software information (e.g., ISTA/D concepts).
Engine Type:
Naturally Aspirated Inline 6-Cylinder
Displacement:
2996 cc (3.0 Liters)
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio:
10.7:1
Valve Train:
DOHC, 24 Valves, VALVETRONIC, Double VANOS
Horsepower:
255 hp @ 6600 rpm
Torque:
220 lb-ft @ 2750 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI), Port Injection
Fuel Type:
Premium Unleaded Gasoline (91 AKI or higher recommended)
Type:
6-speed Manual (Getrag GS6-37BZ)
Type:
6-speed Automatic (ZF GA6HP19Z)
AWD Integration:
Integrated with xDrive AWD system, electronically controlled power distribution
Automatic Transmission Fluid:
BMW Part # 83 22 0 026 977 (ETL 7045E or equivalent approved by BMW, e.g., Pentosin ATF1)
Manual Transmission Fluid:
BMW Part # 83 22 2 339 211 (or equivalent approved synthetic gear oil)
NHTSA Frontal Crash Test:
5-Star (Driver), 5-Star (Front Passenger)
IIHS Frontal Offset Test:
Good
Traction Control:
Dynamic Traction Control (DTC), Dynamic Stability Control (DSC)
Braking Assist:
Anti-lock Braking System (ABS), Brake Assist
Airbags:
Front airbags, side-impact airbags, front and rear head protection system (curtain airbags)
Seat Belts:
3-point inertia-reel seat belts with pretensioners and force limiters
Oil Change Interval:
Variable based on oil condition sensor (Condition Based Service - CBS), typically 10,000-15,000 miles or 12-24 months.
Brake Fluid Flush:
Every 2 years, regardless of mileage (BMW recommendation).
Spark Plug Replacement:
Around 60,000 miles for the N52 engine.
Engine Air Filter:
Check at every oil change, replace as needed (typically 15,000-30,000 miles).
Cabin Air Filter:
Every 15,000-30,000 miles or annually.
Engine Oil:
SAE 0W-30 or 5W-30 Synthetic meeting BMW LL-01 specification.
Coolant:
BMW Blue Antifreeze/Coolant (G48) mixed 50/50 with distilled water.
Oil Pan Gasket Leaks:
Common due to age and material degradation.
Valve Cover Gasket Leaks:
Also prone to leaks, often accompanied by oil consumption.
Water Pump And Thermostat:
Plastic components can fail over time, leading to overheating.
Eccentric Shaft Sensor:
Can fail, affecting engine performance and potentially causing limp mode.
Power Steering Leaks:
Hoses and pump seals can degrade.
Xdrive Transfer Case:
Requires periodic fluid changes to maintain proper function and prevent wear.
Bmw Philosophy:
Founded in 1916, renowned for engineering excellence, performance vehicles, and luxury.
E90 Generation:
Fifth generation 3 Series, introduced in 2005 (2006 model year). Marked a significant redesign with a more modern interior and advanced technology.
Xi Variant:
The 'xi' designation signifies BMW's xDrive all-wheel-drive system, first introduced to the 3 Series range with the E90 generation.
Manufacturing Locations:
Germany (primarily Dingolfing, Munich)
