🏷️ Basic Information

Make:

BMW

Model:

335xi

Years Covered:

2006, 2007, 2008, 2009, 2010

Chassis Codes:

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

👋 Introduction

Segment:

Sport Sedan/Coupe/Convertible, Premium Mid-size

Target Audience:

Enthusiasts, DIY mechanics, professional automotive technicians

Competitors:

Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS F

Performance Orientation:

Emphasis on sporty driving dynamics and powerful acceleration.

All Wheel Drive:

Standard xDrive system for enhanced traction and stability.

Twin Turbocharging:

N54 engine's twin-turbo setup provides significant torque and power.

📋 Manual Details

Engine Variants Covered:

3.0L Twin-Turbocharged Inline-6 (N54B30)

Drivetrain Covered:

xDrive All-Wheel Drive System

Estimated Pages:

Thousands (typical for comprehensive workshop manuals)

Type:

Workshop Repair Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Powertrain:

Engine (N54), Fuel System, Ignition System, Cooling System, Exhaust System, Turbocharging System, Drivetrain (xDrive AWD)

Chassis:

Suspension (Front & Rear), Steering, Brakes (including ABS/DSC), Wheels & Tires

Electrical:

Battery, Charging System, Starting System, Lighting, Instrumentation, HVAC Controls, Infotainment, Body Electronics, DME (Digital Motor Electronics), EGS (Electronic Gearbox Control), DSC (Dynamic Stability Control)

Bodywork:

Body Panels, Doors, Windows, Seats, Exterior Trim, Interior Trim, Restraint Systems (Airbags)

Maintenance:

Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks & Top-offs, Spark Plug Replacement, Brake Pad & Rotor Replacement

Repair:

Engine Overhaul, Turbocharger Replacement, Injector Service, Transmission Repair/Replacement, Suspension Component Replacement, Brake System Bleeding & Repair, Electrical Component Diagnosis & Replacement

Diagnostics:

Troubleshooting Common Issues, Diagnostic Trouble Codes (DTCs), Electrical System Testing, Component Testing

Depth:

Comprehensive: From basic fluid changes to full engine and transmission rebuilds, including detailed wiring diagrams and diagnostic procedures.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable for keywords

Quality:

Professional digital reproduction of original factory documentation

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code:

N54B30

Displacement:

2979 cc (3.0 Liters)

Configuration:

Inline 6-Cylinder

Aspiration:

Twin-Turbocharged

Horsepower:

300 hp @ 5800 rpm (approx.)

Torque:

300 lb-ft @ 1400 rpm (approx.)

Injection Type:

Direct Injection (High-Pressure)

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher recommended)

🔧 Transmission

Type:

6-speed Manual Transmission (e.g., GS6-53DZ)

Type:

6-speed Steptronic Automatic Transmission with Paddle Shifters (e.g., GA6HP-19Z)

X Drive Integration:

Integrated with xDrive AWD system for power distribution

📐 Dimensions

Wheelbase:

Approx. 108.7 inches (E90/E92), 110.6 inches (E91)

Length:

Approx. 181.8 inches (E90), 184.0 inches (E91), 181.3 inches (E92)

Width:

Approx. 70.1 inches

Height:

Approx. 56.2 inches (E90/E92), 57.3 inches (E91), 55.5 inches (E93)

Curb Weight:

Approx. 3600 - 3800 lbs (varies by body style)

🛡️ Safety Features

NHTSA Front Crash:

5-Star (for applicable models/years)

IIHS Front Offset:

Good (for applicable models/years)

Traction Control:

Dynamic Traction Control (DTC), Dynamic Stability Control (DSC)

Braking:

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

Airbags:

Front, Side-impact, and Curtain Airbags

Seatbelts:

Pretensioning front seatbelts

💡 Technology Features

System Name:

iDrive (various generations depending on year and options)

Features:

Navigation system, Radio (AM/FM/Satellite), CD Player, Bluetooth connectivity (later years), USB integration (later years).

Standard Features:

ABS, DSC, Traction Control, Cruise Control

Optional Features:

Active Steering, Adaptive Headlights

Bluetooth:

Available on models equipped with the 'Enhanced Premium Sound' or Technology Package, allowing phone calls and audio streaming.

🔧 Maintenance

Oil Change Interval:

Typically 10,000-15,000 miles or as indicated by Condition Based Service (CBS) system.

Spark Plug Replacement:

Around 60,000 miles for original plugs, potentially earlier for performance driving.

Brake Fluid Flush:

Every 2 years, regardless of mileage.

Engine Oil:

BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, typically 0W-30 or 5W-30 viscosity.

Coolant:

BMW Blue Antifreeze/Coolant (G48 or equivalent), mixed 50/50 with distilled water.

Brake Fluid:

DOT 4 High Performance Synthetic Brake Fluid

Transmission Fluid Auto:

Specialized ATF (e.g., LT-5 for ZF GA6HP19Z), often requires BMW Blue oil.

Transmission Fluid Manual:

BMW MTF LT-3 (or equivalent high-quality manual transmission fluid).

Differential Fluid:

BMW Hypoid Gear Oil G2 (or equivalent GL-5 rated gear oil).

Turbocharger System:

Wastegate rattle, vacuum line leaks, turbocharger failure (especially on early N54s), HPFP (High-Pressure Fuel Pump) failures, injector issues.

Engine Management:

Carbon buildup on intake valves due to direct injection, coil pack failures, sensor issues (e.g., crankshaft position).

Cooling System:

Water pump failures (electric pump), thermostat failures.

Drivetrain:

Drive shaft flex disc wear, AWD system component issues (rare).

📚 Vehicle History

Legacy:

BMW's reputation for 'Ultimate Driving Machine' and engineering excellence.

Generation:

Fifth Generation BMW 3 Series (E90/E91/E92/E93)

Introduction Of 335Xi:

The 335xi designation signifies the introduction of the powerful N54 twin-turbo engine combined with the xDrive AWD system in the 3 Series lineup, representing a significant performance and technological advancement.

Manufacturing Location:

Germany (primarily)

🏆 Awards & Recognition

Ward Best Engines:

The N54 engine was a multiple recipient of the Ward's 10 Best Engines award for its performance and technology.

Car And Driver 10Best:

The BMW 3 Series (including variants like the 335xi) frequently appeared on Car and Driver's 10Best lists during this generation.