Vehicle Class:
Compact Executive Car (Premium Segment)
Usp:
Sporty handling, premium interior, advanced engineering, xDrive all-wheel drive capability
Competitors:
Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS250 AWD, Infiniti G35x
Powertrain Focus:
Naturally aspirated inline-six engine, xDrive AWD system
Handling Dynamics:
Balanced chassis, sophisticated suspension design
Interior Quality:
Driver-focused cockpit, high-quality materials, ergonomic design
Vehicle Years Covered:
2006, 2007, 2008, 2009, 2010
Models Covered:
325xi (All Wheel Drive)
Body Styles Covered:
Sedan (E90), Wagon/Touring (E91)
Estimated Page Count:
Approximately 2000+ pages (typical for a comprehensive workshop manual)
Manual Classification:
Workshop Repair and Service Manual
Powertrain:
Engine (N52B30), cooling system, exhaust system, fuel system, ignition system
Drivetrain:
xDrive All-Wheel Drive System (transfer case, differentials, drive shafts)
Transmission:
Manual Transmission (Getrag GS6-37BZ), Automatic Transmission (Steptronic GA6HP19Z)
Chassis:
Suspension (front and rear), steering system, braking system (ABS, DSC)
Electrical:
Battery, charging system, starter, lighting, dashboard instruments, body control module (BCM), comfort electronics
Body And Interior:
Body panels, doors, windows, seats, airbags, climate control, infotainment system
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, brake pad/rotor replacement, spark plug replacement
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, fault code interpretation (DTCs)
Repair:
Component removal and installation, system overhauls, wiring diagrams, component testing
Specifications:
Torque specifications, clearances, fluid capacities, electrical component data
Depth:
Comprehensive, covering basic to advanced repair and diagnostic procedures
Detail Level:
Detailed step-by-step instructions with diagrams and illustrations
Engine Type:
Naturally Aspirated Inline 6-Cylinder
Displacement:
2996 cc (3.0 Liters)
Horsepower:
255 hp @ 6600 rpm
Torque:
220 lb-ft @ 2750 rpm
Fuel Delivery:
Sequential Multi-Point Fuel Injection (MPI) with Valvetronic and Double VANOS
Fuel Type:
Premium Unleaded Gasoline (91 AKI or higher recommended)
Cooling Medium:
BMW Blue Antifreeze/Coolant (G48)
Transmission Type Sedan:
6-Speed Manual Transmission (Getrag GS6-37BZ)
Transmission Type Wagon:
6-Speed Manual Transmission (Getrag GS6-37BZ)
Transmission Type Optional:
6-Speed Steptronic Automatic Transmission (GA6HP19Z) with Adaptive Transmission Control (ATC)
AWD System:
BMW xDrive - Electronically controlled all-wheel drive system with variable torque distribution
Manual Transmission Fluid:
MTF LT-3 (BMW Part Number 83 22 0 309 031)
Automatic Transmission Fluid:
ATF LT-5 (BMW Part Number 83 22 2 148 578) or equivalent Pentosin ATF1
Wheelbase:
108.7 inches (2760 mm)
Length Sedan:
181.5 inches (4610 mm)
Length Wagon:
179.4 inches (4557 mm)
Width:
68.5 inches (1740 mm)
Height Sedan:
56.2 inches (1428 mm)
Height Wagon:
56.4 inches (1433 mm)
Cargo Volume Sedan:
12.0 cu ft (340 liters)
Cargo Volume Wagon:
17.7 cu ft (500 liters) / 57.3 cu ft (1615 liters) with rear seats folded
Curb Weight Manual:
Approx. 3526 lbs (1600 kg)
Curb Weight Automatic:
Approx. 3571 lbs (1620 kg)
Wheel Bolt Pattern:
5x120
Typical Wheel Size:
17-inch, 18-inch alloy wheels
Typical Tire Sizes:
225/45R17, 225/40R18 (staggered fitment on 18-inch wheels)
NHTSA Front Impact:
5-Star (2006 models)
IIHS Front Impact:
Good (2006-2010 models)
IIHS Side Impact:
Good (2006-2010 models)
IIHS Rear Impact:
Good (2006-2010 models)
Standard Safety Features:
Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist
Airbags:
Front airbags (driver and passenger), front side-impact airbags, front and rear head protection system (curtain airbags)
Seatbelts:
3-point inertia-reel seat belts with pretensioners and force limiters
Infotainment System:
iDrive (Control Display) infotainment system, optional Professional Navigation system.
Audio Options:
Standard BMW Professional Radio, optional Logic 7 or Harman Kardon sound systems.
Cruise Control:
Standard cruise control, optional Active Cruise Control (ACC) on some models.
Parking Assist:
Optional front and rear Park Distance Control (PDC).
Connectivity Features:
Bluetooth hands-free calling (optional), USB/Auxiliary audio input.
Oil Change Interval:
Variable Service Interval (VSI) system, typically recommending oil changes every 10,000-15,000 miles or as indicated by the car's computer based on driving conditions.
Major Service Items:
Spark plugs (approx. 100,000 miles), cabin air filter (every 15,000-30,000 miles), engine air filter (every 30,000 miles), brake fluid flush (every 2 years), coolant flush (every 3-5 years)
Engine Oil Type:
SAE 0W-30 or 5W-30 Synthetic Oil meeting BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) specification.
Engine Oil Capacity:
6.5 US quarts (6.2 liters) with filter change
Coolant Capacity:
Approx. 8.5 US quarts (8.0 liters)
Common Issues Engine:
Oil filter housing gasket leaks, valve cover gasket leaks, eccentric shaft sensor failures, PCV valve issues, fuel pump failures, ignition coil failures.
Common Issues Drivetrain:
XDrive transfer case actuator failures, differential leaks, clutch wear (manual).
Common Issues Suspension Steering:
Worn control arm bushings, front strut mounts, tie rod ends, power steering leaks (hydraulic steering models prior to LCI).
Common Issues Electrical:
Power seat module failures, sunroof drains clogging leading to water ingress, headlight condensation, alternator failures, battery drain issues due to parasitic draw.
Bmw History:
Bayerische Motoren Werke AG, founded in 1916, renowned for performance, luxury, and driving dynamics in the premium automotive sector.
E90 Introduction:
The E90 sedan generation replaced the E46 and was introduced in 2005, with the E91 Touring (wagon) following shortly after. The 325xi variant was part of the initial E90/E91 lineup.
Facelift:
The E90/E91 generation received a mid-cycle facelift (LCI - Life Cycle Impulse) for the 2009 model year, featuring updated styling and technology.
Production Locations:
Primary assembly in Munich, Germany; also assembled in various other BMW plants globally.
Ward Top10 Engines:
The N52 engine family, including the 3.0L variant, was a multiple-time recipient of Ward's 10 Best Engines award for its smooth power delivery, efficiency, and technology.
Consumer Ratings:
Generally well-regarded for performance and build quality, though maintenance costs are typically higher than non-premium brands.
