Vehicle Segment:
Compact Executive Sedan/Wagon
Competitive Set:
Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS 300 AWD
Key Selling Points:
Performance, handling, luxury interior, xDrive all-wheel drive system, brand prestige
Manual Value Proposition:
Provides access to official BMW repair data, enabling cost-effective maintenance and repairs for owners and independent shops.
Software Benefits:
Instant download, searchable content, always up-to-date (if updated), environmentally friendly compared to print.
Engine Mechanical:
Complete overhaul, diagnosis, timing, valves, pistons, crankshaft, lubrication
Engine Electrical:
Ignition system, fuel injection, sensors, ECUs, wiring diagrams
Transmission Manual:
Removal, installation, internal components, clutch service
Transmission Automatic:
Removal, installation, internal components, fluid service, valve body diagnosis
Drivetrain:
xDrive all-wheel drive system, differentials, driveshafts, CV joints
Suspension:
Front and rear suspension, struts, shocks, control arms, bushings, alignment specifications
Brakes:
Hydraulic system, ABS, DSC, brake pads, rotors, calipers, bleeding procedures
Steering:
Power steering system, steering rack, tie rods, alignment
Electrical System:
Battery, alternator, starter, lighting, accessories, fuses, relays
HVAC:
Climate control, AC system, heater core, blower motor, diagnostic procedures
Body And Interior:
Body panels, doors, windows, seats, trim, headliner, sound deadening
Chassis And Frame:
Structural components, unibody, corrosion protection
Restraint Systems:
Airbags, seat belts, SRS system diagnosis and service
Diagnostic Troubleshooting:
Fault code interpretation, diagnostic flowcharts, component testing
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement
Repair:
Component replacement, seal and gasket renewal, minor bodywork
Troubleshooting:
Step-by-step diagnostics for common and complex issues
Disassembly Assembly:
Detailed instructions for engine, transmission, suspension, and other component removal and installation
Diagnostics:
Utilizing BMW diagnostic tools (e.g., ISTA/D), sensor data interpretation
Specifications Data:
Torque values, clearances, tolerances, fluid capacities, electrical specifications
Depth:
Expert-level detail suitable for professional technicians and advanced DIYers
Troubleshooting Depth:
Advanced diagnostic procedures for intermittent faults and complex system failures
Rebuild Procedures:
Detailed instructions for engine and transmission rebuilds
Transmission Type:
6-Speed Manual (S6-450)
Transmission Type:
6-Speed Automatic (GM 6L45 / ZF 6HP19)
Drivetrain:
xDrive All-Wheel Drive System
AWD Torque Distribution:
Default 38:62 Front/Rear, variable based on traction conditions
Manual Transmission Fluid:
BMW Manual Transmission Fluid MTF LT-2 (or equivalent API GL-4, SAE 75W-80)
Automatic Transmission Fluid:
BMW ATF LT-5 (or equivalent Pentosin ATF1)
Oil Change Interval:
Variable: Typically 10,000-15,000 miles or 12-24 months, based on 'Condition Based Service' (CBS) system.
Brake Fluid Flush:
Every 2 years regardless of mileage.
Engine Air Filter:
Inspect every 30,000 miles, replace as needed (or per CBS).
Cabin Air Filter:
Inspect every 15,000 miles, replace as needed (or per CBS).
Spark Plugs:
Typically 60,000 - 100,000 miles depending on spark plug type (e.g., iridium).
Engine Oil Specification:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) approved synthetic, SAE 0W-30 or 5W-30.
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant with corrosion inhibitors.
Power Steering Fluid:
BMW Power Steering Fluid (P/N 81 22 9 407 075) or Pentosin CHF 11S.
Valve Cover Gasket Leaks:
Common issue, leading to oil leaks and potential fouling of spark plug wells.
Oil Pan Gasket Leaks:
Another common source of oil leaks, often requiring engine drop for replacement.
Cooling System Failures:
Plastic coolant expansion tank, water pump, and thermostat housings can become brittle and fail.
Pcv Valve System:
Positive Crankcase Ventilation (PCV) valve can fail, leading to rough idle, oil consumption, and vacuum leaks.
ABS Dsc Module Failure:
Hydraulic unit can fail, leading to loss of ABS and DSC functionality. Often repairable by specialists.
Brand Focus:
Premium automotive manufacturer renowned for driving dynamics, engineering, and luxury.
E90 Introduction:
The E90 generation 3 Series replaced the E46 generation in 2006 (model year 2006 in North America), representing a significant redesign and technological advancement.
325Xi Positioning:
The 'xi' designation signifies BMW's xDrive all-wheel-drive system, offering enhanced traction and stability, particularly in adverse weather conditions.
Manufacturing Locations:
Primarily Dingolfing, Germany; also Rosslyn, South Africa and Leipzig, Germany