🏷️ Basic Information

Make:

BMW

Model:

3-Series

Model Codes:

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

Model Year Coverage:

2006

Platform Code:

E90/E91/E92/E93

👋 Introduction

Target Audience:

BMW 3-Series owners (2006 model year), independent repair shops, DIY enthusiasts.

Value Proposition:

Provides dealership-level repair and maintenance information, enabling cost savings and improved vehicle care.

Differentiation:

Vehicle-specific and model-year specific, directly from factory sources, not generic information.

Content Quality:

Factory-level detailed instructions, diagrams, illustrations, and wiring schematics.

User Experience:

Easy-to-use PDF format, printable pages, no need to flip through physical books, avoids wear and tear on paper manuals.

📋 Manual Details

Scope:

All models and all repairs A-Z for the 2006 BMW 3-Series E90/E91/E92/E93.

Estimated Pages:

Very comprehensive, likely 1000+ pages considering the detailed scope.

Type:

Factory Service and Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Complete engine overhaul, rebuild procedures, component diagnostics, timing systems, lubrication, cooling.

Engine Control System:

ECU diagnostics, sensor data, fuel injection strategies, ignition timing control, emissions control systems.

Transmission Automatic:

Automatic transmission service, repair, diagnostics, fluid specifications, torque converter procedures.

Transmission Manual:

Manual transmission service, repair, diagnostics, clutch replacement, flywheel procedures.

Drivetrain:

Differential service and repair, axle maintenance, driveshaft and propeller shaft procedures, U-joints.

Suspension Steering:

Front and rear suspension component replacement, alignment specifications, power steering system diagnostics and repair.

Brakes:

Brake system diagnostics, hydraulic component service, ABS diagnostics, brake pad and rotor replacement, parking brake service.

Electrical System:

Complete wiring schematics, component testing, charging system, starting system, lighting, fuse and relay identification.

Body Exterior:

Door panel removal, hood and trunk mechanisms, glass and mirror replacement, exterior trim.

Body Interior:

Seat removal and repair, instrument panel removal, interior trim, climate control system, safety restraint system (SRS) components.

Comfort Convenience:

Air conditioning service and repair, cruise control system, wiper and washer system, door lock mechanisms, horn, audio/visual systems.

Multiplex Can Communication:

CAN bus system diagnostics, communication protocols, gateway module information.

Maintenance:

Scheduled maintenance intervals, fluid checks and changes, filter replacements, lubrication points.

Diagnostics:

Troubleshooting guides, symptom-based diagnostics, fault code interpretation, diagnostic tool usage (e.g., ISTA).

Repair Rebuild:

Step-by-step instructions for component removal, installation, overhaul, and replacement.

Wiring Schematics:

Detailed electrical wiring diagrams for all vehicle systems, including component locations and wire routing.

Torque Specifications:

Precise torque values for all fasteners and critical components.

Illustrations Diagrams:

High-quality illustrations and diagrams showing component placement, assembly, and disassembly.

Depth:

Factory-level technical depth, covering everything from basic maintenance to complex electronic diagnostics and mechanical overhauls.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely searchable text, allowing quick navigation to specific topics.

Printability:

All pages are printable, allowing users to print only what they need.

Image Resolution:

High resolution, allowing for image enlargement and detailed viewing.

Binding:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

Operating Systems:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS

Software:

Adobe PDF Reader and Winzip (free online)

⚙️ Engine Specifications

Common Engine Options 2006:

Includes various inline-4 (e.g., N45, N46) and inline-6 (e.g., N52, N54 for later models but likely not initial 2006 release) gasoline engines, and potentially diesel engines (e.g., M47, M57) depending on market. Specific engine codes are crucial for precise data. For 2006, common gasoline would be N52B25 (325i) and N52B30 (330i).

Typical Horsepower Range:

Ranges from approximately 215 hp (325i) to 255 hp (330i) for gasoline models. Diesel variants would have different outputs.

Typical Torque Range:

Ranges from approximately 214 lb-ft (325i) to 250 lb-ft (330i) for gasoline models.

Fuel Delivery:

Typically fuel injection (Bosch Motronic or similar).

Fuel Type:

Premium Unleaded Gasoline (RON 95 or higher for gasoline engines).

Oil Type Specification:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) for diesel models, typically SAE 0W-30 or 5W-30.

Oil Capacity:

Varies by engine, typically 6.5 to 7.5 liters for inline-6 engines.

🔧 Transmission

Transmission Type:

6-speed manual transmission (e.g., GS6-37BZ) was often standard on many models.

Transmission Type:

6-speed Steptronic automatic transmission (e.g., GA6HP19Z) was a popular option.

Automatic Features:

Adaptive shift logic, sport mode, manual shift mode (Steptronic).

Automatic Transmission Fluid Type:

BMW ATF LT-5 or equivalent (e.g., Dexron VI, but specific BMW specification is critical).

📐 Dimensions

Wheelbase E90:

Approx. 108.7 inches (2760 mm)

Wheelbase E91:

Approx. 108.7 inches (2760 mm)

Wheelbase E92:

Approx. 108.7 inches (2760 mm)

Wheelbase E93:

Approx. 108.7 inches (2760 mm)

Curb Weight Range:

Approximately 3400 - 3900 lbs (1542 - 1769 kg) depending on body style and engine.

Wheel Bolt Pattern:

5x120

Center Bore:

72.5 mm

🛡️ Safety Features

NHTSA Front Crash Test:

Likely received 5-star ratings for frontal crash tests (based on E90 generation's historical safety performance).

IIHS Front Crash Test:

Likely rated 'Good' in IIHS frontal offset crash tests.

Traction Control:

Dynamic Traction Control (DTC) and Dynamic Stability Control (DSC) standard.

Braking System:

Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist.

Airbags:

Frontal airbags, side-impact airbags, curtain airbags (head protection airbags) for front and rear passengers.

Seat Belts:

Pretensioning seat belts with force limiters.

Supplemental Restraint System:

Comprehensive SRS system with impact sensors and diagnostic capabilities.

💡 Technology Features

Idrive System:

First generation iDrive system (CCC unit) likely featured on 2006 models, offering navigation, audio, climate control, and vehicle settings.

Audio Options:

Standard BMW Professional Radio, optional Logic 7 premium sound system.

Cruise Control:

Standard cruise control system, optional Adaptive Cruise Control (ACC) may have been available on some models/trims.

Bluetooth:

Optional Bluetooth hands-free connectivity, potentially requiring an adapter or specific package.

Usb Aux:

Auxiliary input jack likely standard on most units; USB connectivity might be optional or via an adapter.

🔧 Maintenance

Oil Change Interval:

BMW Condition Based Service (CBS) system, typically around 10,000-15,000 miles or 12-24 months, but heavily dependent on driving conditions.

Brake Fluid Change:

Typically every 2 years, regardless of mileage.

Engine Air Filter:

Recommended replacement every 30,000-50,000 miles, or as indicated by CBS.

Cabin Air Filter:

Recommended replacement every 15,000-30,000 miles or annually.

Coolant Type:

BMW Blue Antifreeze (G48 ethylene glycol based).

Power Steering Fluid:

Pentosin CHF 11S or equivalent approved fluid.

Common Problems E90 Era:

Water pump and thermostat failure (especially electric pumps on later N52/N54), VANOS solenoids, oil separator (CCV) system issues, ignition coil failures, fuel injector issues (especially direct injection models), power steering hose leaks.

Common Problems E90 Era Electrical:

Wiper motor failures, iDrive system glitches, battery drain issues (due to complex electronics).

📚 Vehicle History

Bmw Philosophy:

BMW's heritage of 'Ultimate Driving Machine,' emphasizing performance, luxury, and engineering excellence.

E90 Introduction:

The E90 generation marked a significant evolution in design and technology for the 3-Series, replacing the E46.

Body Styles:

Introduced the modern compact executive sedan (E90), wagon (E91 Touring), coupe (E92), and convertible (E93) variants.

Production Years:

E90/E91/E92/E93 production ran from approximately 2005/2006 to 2011/2013 depending on body style.

🏆 Awards & Recognition

Car And Driver 10Best:

The 3-Series (E90) was a frequent recipient of Car and Driver's '10Best' list during its production run, often praised for its driving dynamics.

Wards Auto World 10Best Engines:

BMW's inline-6 engines (N52, N54) that powered the 3-Series were often recognized in Wards' '10 Best Engines' lists for their smoothness and power delivery.