🏷️ Basic Information

Make:

BMW

Model:

3 Series

Chassis Codes:

E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible)

Production Years Covered:

2006, 2007, 2008, 2009, 2010

Engine Codes General:

N52B30, N52B25, N55B30, N43B20, N46B20, M54B25 (early models potentially), M57D30, N57D30

👋 Introduction

Target Audience:

BMW owners, DIY enthusiasts, independent repair shops, professional technicians

Manual Comparison:

Same manual used in local service/repair shops; original factory manual quality, potentially superior to aftermarket guides.

Content Quality:

Complete and intact, no missing/corrupt parts. Hundreds of pages of diagrams and detailed information.

Ease Of Use:

Easy to follow directions, pictures, numbered instructions, bold figure numbers, enlarged insets, numbered table of contents.

Cost Savings:

Potential to save hundreds or thousands of dollars in repair bills by performing DIY maintenance and repairs.

📋 Manual Details

Coverage Scope:

All Models/Engines/Trim/Transmissions Types within the specified model years and chassis codes.

Estimated Page Count:

Hundreds (Specific count not provided, but described as comprehensive)

Type:

Workshop Repair Service Manual

Language:

English

Digital Format:

PDF Download

📖 Manual Coverage

Powertrain:

Engine Service/Repair, Transmission Service/Repair, Fuel Injection/Fuel System, Emission System, Engine Control System

Chassis:

Brake System, Suspension, Steering, Differential/Drive, Axle

Electrical And Body:

Wiring Diagram, Electrical System, Heater/Air Conditioner, Chassis/Body, Restraint System, Interior

General Maintenance:

General Maintenance, Periodic Lubrication, Troubleshooting

Repair Procedures:

Detailed substeps, numbered instructions, disassembly, assembly, cleaning, reinstalling procedures

Diagnostics And Troubleshooting:

Troubleshooting, electrical service procedures, diagnostic information

Depth:

Professional Technician Level, covering diagnostic, repair, and maintenance information

📊 Manual Specifications

Format:

PDF

Printability:

Full Printable

Zoom Capability:

Zoom IN/OUT supported

Binding:

Not Applicable (Digital Download)

Paper Quality:

Not Applicable (Digital Download)

Delivery Method:

Instant Download

Software Requirements:

Adobe PDF Reader, WinZip

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Common Gasoline Engines:

2.5L Inline-6 (N52B25), 3.0L Inline-6 (N52B30, N55B30), 2.0L Inline-4 (N43B20, N46B20)

Common Diesel Engines:

3.0L Turbocharged Inline-6 Diesel (M57D30, N57D30)

Horsepower Range:

Approximately 170 hp to 300 hp depending on specific engine variant.

Torque Range:

Approximately 170 lb-ft to 400 lb-ft depending on specific engine variant.

Injection Type:

Fuel Injection (likely multi-point or direct injection depending on engine)

ECU System:

Digital Motor Electronics (DME) control system

🔧 Transmission

Default Transmission:

6-speed Manual Transmission

Automatic Transmission:

6-speed Steptronic Automatic Transmission

Drivetrain:

Rear-Wheel Drive (RWD) standard, xDrive All-Wheel Drive (AWD) optional on some models.

📐 Dimensions

Body Styles:

Sedan (E90), Wagon/Touring (E91), Coupe (E92), Convertible (E93)

Curb Weight Range:

Approximately 3,300 lbs to 4,100 lbs depending on body style and configuration.

🛡️ Safety Features

IIHS Ratings:

Likely received good ratings from IIHS for its model years, with many earning 'Top Safety Pick' designations.

Active Safety Systems:

Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), available Adaptive Headlights.

Passive Safety Systems:

Front airbags, side airbags, curtain airbags (for sedan/coupe), seatbelt pretensioners, impact-absorbing bumpers.

💡 Technology Features

I Drive System:

Introduction of the iDrive infotainment system, evolving through various iterations during these model years.

Adas Features:

Available features included Park Distance Control (PDC), cruise control, and some models offered adaptive headlights.

Auxiliary Input:

Auxiliary audio input jack common; Bluetooth connectivity available on higher trims or as an option.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 miles or 12-24 months, as indicated by the vehicle's condition-based service (CBS) system. Manual will detail specific interval for oil type.

Brake Fluid Change:

Recommended every 2 years, regardless of mileage.

Coolant Change:

Initial fill is typically long-life; consult manual for specific interval, often around 4-5 years or 60,000-100,000 miles.

Engine Oil Type:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, viscosity typically 5W-30 or 0W-30, depending on climate and engine. Manual will specify exact grade.

Coolant Type:

BMW's Blue antifreeze/coolant (G48) mixed with distilled water.

Transmission Fluid:

Specific ATF (Automatic Transmission Fluid) for Steptronic; manual transmission uses gear oil. Manual will detail exact type and capacity.

Common Wear Items:

Water pump and thermostat (plastic components), ignition coils, VANOS solenoids, oil pan gasket leaks, fuel injectors (especially on direct injection engines), PCV valve.

Common Diesel Issues:

Diesel Particulate Filter (DPF) regeneration issues, glow plug failure, EGR valve issues.

Filter Part Numbers Example:

Oil Filter: Mann-Filter HU821x, Mahle OX388/1D. Air Filter: Mann-Filter C35187/1. Cabin Filter: Mann-Filter CU29001. (Note: These are examples and exact fitment must be verified for specific models/engines.)

📚 Vehicle History

Brand Philosophy:

BMW is known for its 'Ultimate Driving Machine' slogan, emphasizing performance, handling, and driver engagement.

Generation Context:

The E90 generation represented a significant advancement over the E46, introducing new technologies, engine options, and refined styling.

Design Language:

Introduced BMW's 'flame surfacing' design language, contributing to its distinctive appearance.

Manufacturing Locations:

Primarily manufactured in Germany (e.g., Dingolfing, Munich), with some production potentially occurring in other global facilities.

🏆 Awards & Recognition

General Recognition:

The E90 3 Series was widely praised by automotive critics for its driving dynamics, build quality, and refined interiors, frequently appearing on 'best of' lists.

Consumer Reports Ratings:

Typically rated well for reliability and performance by publications like Consumer Reports, though some specific model years or engines might have had noted issues (covered in manual).