🏷️ Basic Information

Make:

BMW

Model:

335xi

Years Covered:

2006, 2007, 2008, 2009, 2010

Chassis Code:

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

Engine Codes:

N54B30

👋 Introduction

Segment:

Premium Compact Executive Sedan/Coupe/Convertible

Key Competitors:

Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS350

Powertrain:

Twin-turbocharged 3.0L inline-six engine (N54) delivering strong torque and performance, xDrive All-Wheel Drive system for enhanced traction and stability

Driving Dynamics:

Renowned BMW handling and ride balance, sport-tuned suspension, responsive steering

Luxury Appointments:

Premium interior materials, advanced technology features for its era, comfortable seating

📋 Manual Details

Primary Coverage:

Comprehensive Service and Repair

Estimated Page Count:

2000+ (estimated for full coverage across all variants)

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine (N54 Twin-Turbo Inline-6), Transmission (ZF 6HP19TU Automatic), Drivetrain (xDrive AWD System)

Chassis:

Suspension (Front MacPherson Strut, Rear Multi-link), Steering (Hydraulic Power Steering), Brakes (Front/Rear Ventilated Discs, ABS, DSC, Dynamic Brake Control)

Electrical:

Engine Management, Lighting, Instrumentation, HVAC Controls, Power Accessories, Body Electronics (CAS, FRM, DME, TCU, etc.)

Body:

Exterior Panels, Interior Trim, Doors, Windows, Seats, Sunroof

Maintenance:

Scheduled Service Intervals, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Checks and Changes

Repair:

Engine Component Overhaul, Transmission Repair, Drivetrain Component Replacement, Suspension and Steering Component Repair, Brake System Repair, Electrical System Troubleshooting and Repair, Body Panel Replacement

Diagnostics:

Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Component Testing, Wiring Diagrams, Special Tool Usage

Depth:

Detailed step-by-step instructions, torque specifications, diagnostic procedures, component removal and installation, wiring diagrams, special tool requirements

📊 Manual Specifications

File Quality:

High-resolution, searchable text, printable pages

Print Readability:

Excellent clarity for all text, diagrams, and illustrations

Binding:

N/A (Digital PDF)

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code:

N54B30

Engine Type:

3.0L Twin-Turbocharged Inline-6

Horsepower:

300 hp @ 5800 rpm

Torque:

300 lb-ft @ 1400-5000 rpm

Fuel Delivery:

Direct Injection (High-Pressure Fuel Pump, Piezo Injectors)

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher recommended)

Cooling System:

Water-cooled with electric auxiliary water pump

Emissions Control:

Catalytic Converters, Secondary Air Injection System, PCV System

🔧 Transmission

Transmission Type:

6-speed Manual (Optional, typically for RWD models, less common on xi)

Transmission Type:

6-speed ZF 6HP19TU Steptronic Automatic

Automatic Features:

Sequential Shift Mode, Sport Mode, Lock-up Torque Converter

Automatic Transmission Fluid:

BMW Approved ATF (e.g., Pentosin ATF1 or equivalent based on manual)

📐 Dimensions

Wheelbase:

Approx. 107.4 inches (E90/E91), 108.7 inches (E92/E93)

Length:

Approx. 179.7 inches (E90), 183.0 inches (E91), 181.8 inches (E92), 180.5 inches (E93)

Width:

Approx. 70.2 inches

Height:

Approx. 56.0 inches (E90), 57.3 inches (E91), 55.7 inches (E92), 55.5 inches (E93)

Curb Weight:

Approx. 3700-3900 lbs (depending on body style and options)

Gross Vehicle Weight Rating:

Varies by model, consult specific vehicle VIN

Trunk Volume:

Approx. 15.0 cu ft (E90), 17.7 cu ft (E91), 12.0 cu ft (E92), 12.4 cu ft (E93, convertible top up)

🛡️ Safety Features

NHTSA Front Crash Test:

5-Star (for applicable E90/E92 models)

IIHS Top Safety Pick:

Good (for applicable E90/E92 models)

Traction Control:

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

Braking:

Anti-lock Braking System (ABS), Dynamic Brake Control (DBC), Electronic Brake Force Distribution (EBD)

Airbags:

Frontal airbags, front side-impact airbags, front and rear head protection system (curtain airbags for E90/E91/E92)

Seatbelts:

3-point inertia-reel seat belts with pre-tensioners and force limiters

💡 Technology Features

Idrive System:

BMW iDrive (CCC generation for most of these years), featuring a central display, controller knob, and navigation (optional).

Audio Options:

Standard CD player, optional Logic7 premium sound system, satellite radio preparation.

Parking Assist:

Optional Park Distance Control (PDC) front and rear.

Cruise Control:

Standard cruise control, optional Active Cruise Control (ACC) on some later models.

Bluetooth:

Optional Bluetooth hands-free connectivity with phone book access (may require specific adapter or updated module).

Usb Aux:

Auxiliary audio input jack standard, USB integration typically added with iDrive upgrades or later production runs.

🔧 Maintenance

Oil Change Interval:

Variable, typically indicated by Condition Based Service (CBS) system, around 10,000-15,000 miles or annually.

Spark Plug Replacement:

Approximately 60,000 miles (refer to manual for exact interval based on VIN and usage)

Brake Fluid Flush:

Every 2 years

Coolant Flush:

Every 4 years or 100,000 miles (initial fill)

Engine Oil Type:

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

Engine Oil Capacity:

Approx. 6.5 quarts (with filter change)

Coolant Type:

BMW Blue Antifreeze/Coolant (G48 or equivalent)

Power Steering Fluid:

BMW Power Steering Fluid or Pentosin CHF 11 S

High Pressure Fuel Pump:

Early N54 engines were prone to high-pressure fuel pump (HPFP) failure, often resulting in rough running, stalling, and specific DTCs.

Turbocharger Wastegate Rattle:

Common issue with the wastegate actuators on the twin turbos, causing a rattling noise on deceleration. Often addressed by replacing the turbo assembly or specific actuators.

Ignition Coils And Spark Plugs:

These components can fail prematurely, leading to misfires and rough running. Regular replacement is often recommended.

Water Pump And Thermostat:

Electric water pumps and thermostats can fail, leading to overheating issues and specific cooling system fault codes.

Valve Cover Gasket:

Can leak oil, requiring replacement to prevent oil from entering intake system or causing fire hazards.

📚 Vehicle History

Heritage:

BMW's long-standing reputation for producing driver-focused, sporty luxury vehicles.

Generation:

Fifth generation of the BMW 3 Series (E90/E91/E92/E93)

Introduction Of N54:

The N54 twin-turbocharged engine debuted in this generation, significantly enhancing performance and becoming a hallmark of the 335 models.

Production Start Year:

2005 (for E90 sedan, 335xi model introduced for 2006)

Production End Year:

2011 (for E90/E91), 2013 (for E92/E93, replaced by F30/F32 generation)

🏆 Awards & Recognition

Ward'S 10 Best Engines:

The N54 engine received multiple 'Ward's 10 Best Engines' awards for its power, efficiency, and refinement.

Performance Awards:

The 335xi models were frequently praised by automotive journalists for their blend of performance, luxury, and all-weather capability.