Model Generation:
E90/E91/E92/E93
Model Years:
2006, 2007, 2008, 2009, 2010
Chassis Codes:
E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible)
Market Segment:
Premium Compact Executive Sedan/Coupe/Wagon segment.
Target Audience:
Enthusiasts, DIY mechanics, and professional repair shops seeking authoritative repair information.
Competitors:
Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37, Acura TL.
Vehicle Highlights:
Renowned for its driving dynamics ('Ultimate Driving Machine'), sophisticated interior, advanced technology, and a wide range of efficient yet potent engines. Known for rear-wheel drive bias (optional xDrive all-wheel drive).
Driving Dynamics:
Known for its near 50/50 weight distribution, precise steering, and engaging chassis.
Coverage:
Comprehensive service, repair, diagnostics, and maintenance for all BMW 3 Series models (E90/E91/E92/E93) from 2006-2010.
Page Count:
Estimated 2000+ pages (typical for comprehensive workshop manuals of this era and coverage).
Type:
Workshop Manual / Service Repair Manual
Format:
Digital (likely PDF)
Covered Systems:
Engine Mechanical, Engine Electrical, Fuel System, Ignition System, Cooling System, Exhaust System, Drivetrain, Transmission (Manual & Automatic), Clutch, Driveshafts, Axles, Suspension (Front & Rear), Steering System, Braking System (ABS/DSC), Electrical System, Body Electronics, HVAC System, Restraint Systems (Airbags), Interior Trim, Exterior Body Panels, Lighting, Diagnostics and Troubleshooting.
Engine Management:
Detailed coverage of the DME (Digital Motor Electronics) control unit, sensor inputs, actuator outputs, and diagnostic strategies.
Body And Chassis:
Includes procedures for body panel removal/installation, door mechanisms, interior trim, and chassis component alignment.
Climate Control:
Detailed diagnostics and repair procedures for the automatic climate control system, including refrigerant handling (with appropriate safety warnings).
Procedures:
Scheduled Maintenance, Routine Inspections, Engine Overhaul Procedures, Fuel Injector Testing, Ignition Coil Replacement, Cooling System Flush and Fill, Brake Pad/Rotor Replacement, Suspension Component Replacement (struts, control arms), Power Steering System Service, Transmission Fluid Change, Clutch Replacement, Differential Service, Electrical Component Diagnosis and Repair, Airbag System Checks, Body Panel Alignment, HVAC System Diagnosis and Repair, ECU/DME Programming and Coding (conceptual guidance).
Diagnostics:
Systematic troubleshooting guides, diagnostic trouble code (DTC) lookups and explanations, wiring diagrams for electrical system diagnosis.
Repair Specifics:
Step-by-step instructions for component removal, repair, and reinstallation, including specialized tools required.
Wheel Alignment:
Specifications for front and rear wheel alignment angles.
Depth:
In-depth diagnostics, detailed step-by-step repair procedures, torque specifications, wiring diagrams, component locations, troubleshooting charts, diagnostic trouble code (DTC) explanations, and factory-recommended procedures.
Diagnostic Tools Reference:
Provides guidance for using BMW's diagnostic systems like DIS or ISTA/D (though actual software is not included).
File Format Details:
Searchable PDF with high-resolution diagrams and text. Printable pages.
Searchability:
Full text search capability allowing quick access to specific topics or part numbers.
Indexing:
Well-indexed chapters and sub-sections for easy navigation.
Print Quality:
Clear, crisp text and high-quality, legible diagrams and illustrations suitable for printing.
Binding Type:
N/A (Digital Format)
Paper Type:
N/A (Digital Format)
Engine Variants Covered:
N43B20 (2.0L Inline-4 Petrol), N52B25 (2.5L Inline-6 Petrol), N52B30 (3.0L Inline-6 Petrol), N53B30 (3.0L Direct Injection Inline-6 Petrol), M54B30 (3.0L Inline-6 Petrol - early 2006 models), M47TUD20 (2.0L Inline-4 Turbo Diesel), N47D20 (2.0L Inline-4 Turbo Diesel), M57TUD30 (3.0L Inline-6 Turbo Diesel).
Inline Six Engines:
N52 (3-stage intake manifold), N53 (direct injection), M54 (older, but some early 2006 might have it).
Performance Variants:
Includes information for models like 325i, 328i, 330i, 335i (twin-turbocharged N54 engine, though specific 335i coverage might be less detailed in general manuals unless specified).
Typical Hp Range:
143 hp to 306 hp (naturally aspirated and turbocharged variants).
Typical Torque Range:
190 Nm to 400 Nm.
Fuel Delivery Types:
Multi-point Fuel Injection (MPI), Direct Injection (DI).
Standard Transmission:
6-Speed Manual (Getrag GS6-37BZ or similar).
Optional Transmission:
6-Speed Steptronic Automatic (ZF 6HP series, e.g., 6HP19, 6HP26).
Automatic Features:
Adaptive shift logic, manual mode (sequential shifting), sport mode.
Manual Transmission Features:
Dual-mass flywheel, hydraulic clutch actuation.
IIHS Ratings:
Generally Good ratings from IIHS for frontal and side impact.
NHTSA Ratings:
Typically 5-star ratings for frontal and side crash tests.
Active Safety Systems:
Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Cornering Brake Control (CBC), Dynamic Traction Control (DTC).
Passive Safety Features:
Front airbags, front side-impact airbags, curtain airbags (for front and rear passengers in sedans/coupes), active head restraints, 3-point seat belts with pre-tensioners.
Infotainment System:
iDrive infotainment system (various iterations depending on year and options), often with GPS navigation, radio, CD player, and auxiliary input.
Connectivity:
Bluetooth hands-free calling and audio streaming (optional), USB/Auxiliary input.
Driver Assistance Features:
Park Distance Control (PDC), Cruise Control, Rain-sensing wipers, Xenon headlights with adaptive cornering (optional).
Adaptive Headlights:
Bi-xenon headlights with adaptive cornering function for improved night visibility.
Oil Change Interval:
Condition-based service (CBS) typically indicates oil changes every 10,000-15,000 miles or annually, whichever comes first. Always refer to the vehicle's specific CBS system.
Major Service Interval:
Spark plug replacement typically around 60,000 miles, coolant flush around 60,000-100,000 miles, brake fluid flush every 2 years.
Engine Oil Specification:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) SAE 5W-30 or 0W-30 synthetic oil (check specific engine requirements).
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48 specification) or equivalent silicate-free antifreeze.
Brake Fluid Specification:
DOT 4
Transmission Fluid Automatic:
ZF LifeguardFluid 6 (or equivalent, consult manual for exact type and capacity).
Transmission Fluid Manual:
GL-4 or GL-5 SAE 75W-80 or 75W-90 synthetic gear oil (consult manual for exact specification).
Common Failures:
PCV valve failure (leading to oil leaks and rough idle), Water pump failure (especially electric pumps on later models), Oil filter housing gasket leaks, Ignition coil failures, Injector issues (especially on N53 direct injection engines), HVAC blower motor resistor failure, Valve cover gasket leaks, VANOS solenoid issues.
Diesel Specific Issues:
EGR valve issues, DPF regeneration problems (if equipped), Glow plug failures, Turbocharger wastegate issues.
Electrical Common Issues:
Short circuits in wiring harnesses, faulty door lock actuators, CAN bus communication errors.
Brand Philosophy:
BMW's core philosophy revolves around 'The Ultimate Driving Machine,' emphasizing performance, handling, and driver engagement.
Generation Introduction:
The E90 generation was introduced in 2005 for the 2006 model year, replacing the E46. It brought significant updates in styling, technology, and powertrains.
Facelift:
Received a mid-cycle facelift (LCI) around 2008, introducing updated styling and technology features.
Manufacturing Locations:
Primarily produced in Germany (Dingolfing, Munich) and also in Spartanburg, South Carolina, USA.
