🏷️ Basic Information

Make:

BMW

Model:

335i xDrive

Model Code:

E90/E91/E92/E93 (specific chassis depends on body style)

Year:

2011

Engine Code:

N55B30

Chassis Codes:

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

👋 Introduction

Positioning:

The 2011 BMW 335i xDrive represented BMW's premium sport sedan and coupe offering, competing directly with the Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, and Infiniti G37x. It was positioned as a performance-oriented luxury vehicle with the added security of all-wheel drive.

Competitors:

Audi A4 3.2 FSI Quattro, Mercedes-Benz C350 4MATIC, Infiniti G37x Sedan/Coupe. The 335i xDrive stood out with its potent twin-scroll turbocharged inline-six, offering superior torque and acceleration compared to most naturally aspirated competitors.

Engine Performance:

The N55B30 engine's 300 hp and 300 lb-ft of torque provided exhilarating performance, further enhanced by the xDrive system's enhanced traction.

Xdrive AWD:

BMW's intelligent all-wheel-drive system optimized for rear-wheel bias, providing excellent handling and stability in various weather conditions.

Chassis Dynamics:

Renowned BMW 50/50 weight distribution and refined suspension tuning for a balanced and engaging driving experience.

📋 Manual Details

Coverage:

Comprehensive repair, service, and diagnostics for all systems of the 2011 BMW 335i xDrive.

Estimated Page Count:

1500-2500+ (Digital software, actual content size may vary)

Type:

Official Service and Repair Manual Software

Language:

English

Format:

Software (Digital/Downloadable)

📖 Manual Coverage

Engine:

N55 3.0L Twin-Scroll Turbocharged Inline-6 engine (maintenance, repair, diagnostics, performance tuning basics).

Drivetrain:

xDrive All-Wheel Drive system (transfer case, differentials, driveline components, servicing).

Transmission:

ZF 6-speed automatic transmission (GA6HP26Z) and optional 7-speed M-DCT dual-clutch transmission (if applicable for specific trims, though less common on standard 335i xDrive E9x). Fluid specifications, service intervals, troubleshooting.

Brakes:

Hydraulic brake system, ABS, DSC (Dynamic Stability Control), brake pad/rotor replacement, fluid flush, component testing.

Suspension:

Front and rear suspension components (struts, shocks, control arms, bushings), alignment specifications, servicing.

Steering:

Electric Power Steering (EPS) system, steering rack, tie rods, power steering fluid (if applicable).

Electrical:

Complete electrical system, wiring diagrams, fuses, relays, battery, alternator, starter, lighting, sensors, ECUs, module diagnostics.

HVAC:

Climate control system, refrigerant charging, blower motor, evaporator, condenser, troubleshooting.

Bodywork:

Body panel removal/installation, door mechanisms, exterior trim, interior trim, sealing, structural components.

Diagnostics:

On-Board Diagnostics (OBD-II) procedures, fault code interpretation, diagnostic tool usage (e.g., ISTA/D, INPA), troubleshooting trees.

Routine Maintenance:

Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, fluid level checks and top-offs.

Component Replacement:

Brake pads and rotors, exhaust components, engine mounts, transmission mounts, suspension components, water pump, thermostat, alternator, starter motor, fuel injectors, ignition coils.

Diagnostics And Troubleshooting:

Step-by-step guides for diagnosing common and complex issues, identifying root causes, using diagnostic tools.

System Calibration:

Steering angle sensor calibration, DSC sensor calibration, adaptive headlight calibration.

Software Updates:

Procedures for engine control unit (ECU) and other module software updates (requires appropriate BMW diagnostic hardware/software).

Depth:

Detailed mechanical and electrical repair procedures, including disassembly, reassembly, torque specifications, special tool requirements, and diagnostic flowcharts.

📊 Manual Specifications

Compatibility:

Compatible with Windows operating systems. Specific version requirements may apply.

Quality:

Digital format allows for high-resolution diagrams, schematics, and text. Printable pages for workshop use.

Type:

N/A (Digital Software)

Type:

N/A (Digital Software)

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, Twin-Scroll Turbocharged, Double VANOS, Valvetronic

Displacement:

2979 cc (3.0 Liters)

Bore X Stroke:

84.0 mm x 90.0 mm

Compression Ratio:

10.2:1

Horsepower:

300 hp @ 5800 rpm

Torque:

300 lb-ft @ 1200 rpm

Redline:

7000 rpm

Fuel Delivery:

Direct Injection (High-Pressure Fuel Injection)

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher recommended)

Engine Oil Capacity:

6.9 US quarts (6.5 Liters) with filter change

Coolant Capacity:

Approximately 7.9 US quarts (7.5 Liters)

🔧 Transmission

Transmission Type:

ZF 6-speed automatic (GA6HP26Z)

Transmission Fluid Type:

BMW ATF 71141 or equivalent (e.g., Pentosin ATF1)

Automatic Features:

Steptronic manual shift mode, adaptive transmission control.

Transmission Type:

7-speed M Double Clutch Transmission (M-DCT) - Less common on standard 2011 335i xDrive E9x, more prevalent on M3 models, but should be verified by specific chassis code.

📐 Dimensions

Wheelbase:

108.7 inches (2761 mm) for Sedan/Coupe, 110.1 inches (2797 mm) for Wagon

Length:

181.8 - 182.5 inches (4618 - 4636 mm) depending on body style

Width:

69.8 inches (1773 mm) to 70.2 inches (1783 mm)

Height:

55.4 inches (1407 mm) for Coupe, 56.3 inches (1430 mm) for Sedan, 57.2 inches (1453 mm) for Wagon

Curb Weight:

Approximately 3700 - 3900 lbs (1680 - 1770 kg) depending on body style and options

Trunk Volume:

12.0 cubic feet (340 Liters) for Sedan, 13.4 cubic feet (380 Liters) for Wagon (with seats up)

🛡️ Safety Features

NHTSA Front Impact:

5-Star (for applicable body styles)

IIHS Top Safety Pick:

Yes (for applicable body styles)

Traction Control:

Dynamic Traction Control (DTC), Dynamic Stability Control (DSC), ABS with Brake Assist.

All Wheel Drive:

BMW xDrive intelligent all-wheel drive system.

Airbags:

Front airbags, side-impact airbags, front and rear head protection system (curtain airbags).

Seatbelts:

Three-point inertia-reel seatbelts with pre-tensioners and force limiters.

💡 Technology Features

System Name:

iDrive (CCC or CIC controller depending on options)

Features:

Navigation system, radio (AM/FM/Satellite), CD/DVD player, Bluetooth connectivity, optional USB/Auxiliary input.

Features:

Dynamic Cruise Control, optional Parking Distance Control (PDC), optional Xenon Adaptive Headlights, rain-sensing wipers.

Connectivity Options:

BMW Assist with Bluetooth wireless interface, optional TeleService.

🔧 Maintenance

Oil Change Interval:

Condition-Based Service (CBS) system, typically around 10,000 - 15,000 miles or 12 months, depending on driving conditions.

Brake Fluid Flush Interval:

Every 2 years regardless of mileage.

Spark Plug Replacement Interval:

Typically around 60,000 miles for N55 engine, but refer to CBS for exact timing.

Coolant Flush Interval:

First replacement around 100,000 miles, then every 50,000-60,000 miles thereafter, or as indicated by CBS.

Engine Oil Specification:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) SAE 5W-30 synthetic oil.

Power Steering Fluid:

Pentosin CHF 11S or equivalent (if applicable, check specific model configuration for electric vs. hydraulic).

Coolant Specification:

BMW Blue Antifreeze/Coolant (Ethylene Glycol based) mixed 50/50 with distilled water.

Common Faults:

High-pressure fuel pump (HPFP) failures (early N55s), ignition coil failures, water pump failures, vacuum leaks, oil pan gasket leaks, VANOS solenoid issues, turbocharger wastegate rattle/issues.

Recommendations:

Regularly inspect for oil leaks, clean the MAF sensor, consider preventative replacement of water pump and thermostat around 80,000-100,000 miles, ensure proper ventilation to avoid crankcase pressure issues.

📚 Vehicle History

Bmw Legacy:

BMW has a long-standing reputation for building performance-oriented luxury vehicles with exceptional driving dynamics and engineering prowess since its inception in 1916.

3 Series Lineage:

The 3 Series has been BMW's core model line since the 1970s, evolving through multiple generations (E21, E30, E36, E46, E90/E91/E92/E93, F30/F31/F34/F35). The E90 generation (2006-2011) marked a significant technological advancement with features like direct injection and electric power steering.

E90 Generation Years:

2006-2011 (facelifted in 2008 for North America)

Manufacturing Locations:

Primarily manufactured in Germany (e.g., Dingolfing, Munich) and also at BMW plants in South Africa and Regensburg.

🏆 Awards & Recognition

Ward S Auto:

The N54 and N55 engines have received multiple Ward's 10 Best Engines awards in previous years for their performance and technology.

Consumer Reports:

Generally rated highly for performance and driving dynamics, with mixed reviews on reliability for specific components of the turbocharged engine and electronics.

Epa Fuel Economy:

Approx. 17 MPG City / 25 MPG Highway (Automatic transmission, Sedan). Figures vary by body style and transmission.