🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 2001 Codes Chassis Code: E46 Engine Code: M54B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon (E46 generation) Usp: Sporty driving dynamics, premium interior, all-wheel drive capability, sophisticated engineering. Competitive Analysis Competitors: Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS300 Key Features Vehicle Features: xDrive all-wheel drive, powerful inline-six engine, balanced chassis, refined interior, available wagon body style (Touring). 📋 Manual Details Coverage Areas Primary Coverage: Full Service Repair Secondary Coverage: Maintenance, Troubleshooting, Rebuilding, Refurbishing, Restoration Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital (likely PDF, based on common offerings) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, engine control systems (DME), ignition, fuel injection, cooling, lubrication, emissions control Transmission: Automatic transmission (GM A5S360R/A5S390R), manual transmission (Getrag 420G), clutch system, transfer case (for xi models) Drivetrain: All-wheel drive (xDrive) system, front and rear differentials, drive shafts, axles Suspension: Front and rear suspension components, steering system, wheel alignment Brakes: Hydraulic system, ABS, DSC, brake pad and rotor replacement, brake bleeding Electrical: Wiring diagrams, starter, alternator, battery, lighting, body electronics, instrument cluster, modules (GM, LCM, CAS, DME) Body: Body panels, doors, glass, trim, interior components, HVAC system, body sealing Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair: Component removal and installation, engine rebuild procedures, transmission overhaul, suspension and steering repairs, brake system repairs, electrical component replacement Calibration Programming: Key programming, DME adaptation, module coding (may require specialized tools) Technical Depth Depth: Comprehensive, covering from basic routine maintenance to complete engine and transmission rebuilds, including detailed diagnostic flowcharts and wiring diagrams. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable Printability: Printable Print Quality Quality: High-resolution images and diagrams Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Displacement: 2.5 Liters (2494 cc) Engine Code: M54B25 Performance Horsepower: 184 hp @ 6000 rpm Torque: 175 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Bosch Motronic ME7.2) Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended) Engine Management Ignition System: Distributorless Electronic Ignition (DIS) with individual coil-on-plug Emission Control: Secondary Air Injection System (SAI), Catalytic Converter, Oxygen Sensors 🔧 Transmission Standard Transmission Type: 5-speed Steptronic Automatic (GM A5S360R/A5S390R) or 5-speed Manual (Getrag 420G) Optional Optional Transmission: N/A for 325xi; AWD standard Features Automatic Features: Steptronic manual shifting mode Drivetrain Drivetrain Type: xDrive All-Wheel Drive AWD System Details: Permanent all-wheel drive with an electronically controlled multi-plate clutch and planetary gear center differential. 📐 Dimensions Exterior Wheelbase: 107.4 inches (2728 mm) Length: 177.4 inches (4506 mm) Sedan / 178.4 inches (4531 mm) Touring Width: 68.5 inches (1740 mm) Height: 55.7 inches (1415 mm) Sedan / 55.8 inches (1417 mm) Touring Wheel Bolt Pattern: 5x120mm Wheel Size: 16 or 17 inches standard Tire Size: 205/55R16 or 225/45R17 typical Weights Curb Weight: Approx. 3500-3650 lbs (1588-1656 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for comparable models/years, specific E46 325xi rating may vary by publication) IIHS Side Impact: Good (for comparable models/years) Active Features Stability Control: Dynamic Stability Control (DSC) Traction Control: Automatic Stability Control and Traction (ASC+T) Anti Lock Brakes: Anti-lock Braking System (ABS) Passive Features Airbags: Frontal airbags, front side-impact airbags, optional rear side-impact airbags Seatbelts: 3-point inertia-reel seat belts with pretensioners and force limiters Head Restraints: Active head restraints (front) 💡 Technology Features Infotainment Head Unit: BMW Business CD or Professional CD with optional navigation (MK III/IV). Speaker System: Standard 6-speaker or optional Harman Kardon premium sound system. Driver Assistance Cruise Control: Standard cruise control. Parking Assistance: Optional rear parking sensors (Park Distance Control - PDC). Connectivity Connectivity Options: Optional Bluetooth hands-free system. No standard USB or Aux inputs. 🔧 Maintenance Service Intervals Oil Change Interval: BMW Condition Based Service (CBS) system typically recommends every 10,000-15,000 miles or annually, subject to driving conditions. Air Filter Replacement: Inspect every 30,000 miles, replace as needed or every 60,000 miles. Cabin Filter Replacement: Replace every 15,000-30,000 miles or annually. Spark Plug Replacement: Typically every 60,000-100,000 miles (depending on plug type, original typically 100k miles). Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (BMW LL-01 approved recommended) Engine Oil Capacity: 6.5 US quarts (6.1 liters) with filter change Coolant Type: BMW Blue Antifreeze/Coolant (G48 type) or equivalent Brake Fluid Type: DOT 4 High Performance Brake Fluid Automatic Transmission Fluid: BMW ATF fluid for GM transmissions (e.g., LT-3 or equivalent) Manual Transmission Fluid: GL-4 SAE 75W-90 Gear Oil (e.g., BMW MTF LT-2) Differential Fluid: GL-5 SAE 75W-90 Gear Oil (Front & Rear) Known Issues Common Problems E46: Cooling system (plastic components), VANOS system, CCV (Crankcase...