🏷️ Basic Information

Make:

BMW

Model:

330xi

Model Code:

E90 (sedan), E91 (wagon)

Production Years Covered:

2006, 2007, 2008, 2009, 2010

Chassis Code:

E90/E91

👋 Introduction

Vehicle Segment:

Compact Executive Sedan/Wagon

Target Audience:

Drivers seeking a blend of performance, luxury, and all-weather capability.

Primary Competitors:

Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS 250 AWD, Infiniti G35x.

All Wheel Drive:

Standard xDrive all-wheel-drive system for enhanced traction and stability.

Driving Dynamics:

Renowned BMW driving dynamics and handling characteristics.

Luxury Appointments:

Premium interior materials, build quality, and available luxury features.

📋 Manual Details

Manual Type:

Service and Repair Manual

Language:

English

Format:

PDF

Estimated Page Count:

Extensive (typically 1000+ pages for comprehensive manuals of this era)

📖 Manual Coverage

Engine Mechanical:

Complete disassembly, assembly, diagnosis, and repair of engine components (block, pistons, rods, crankshaft, cylinder head, valve train, timing system).

Engine Management:

Fuel injection, ignition system, emissions control, sensor diagnosis, ECU troubleshooting, DME operation.

Transmission Manual:

Disassembly, assembly, repair, and diagnosis of the manual transmission (if applicable to specific trims/models not detailed in product name).

Transmission Automatic:

Diagnosis, repair, and fluid servicing of the automatic transmission (e.g., Steptronic).

Drivetrain:

BMW xDrive all-wheel drive system, differentials (front and rear), driveshafts, CV joints, wheel bearings.

Suspension:

Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs, anti-roll bars, steering linkage.

Brakes:

Brake system components (calipers, rotors, pads), ABS, DSC (Dynamic Stability Control), brake fluid flush, parking brake.

Steering:

Power steering system, steering column, steering rack, tie rods, alignment specifications.

Electrical System:

Battery, charging system, starter, lighting, wipers, horns, power windows, power locks, comfort access systems.

Body And Frame:

Body panel removal and installation, doors, hood, trunk, bumpers, glass, seals, corrosion prevention.

HVAC:

Heating, ventilation, and air conditioning system diagnosis and repair, refrigerant servicing, climate control module.

Interior:

Seat removal and repair, dashboard, trim panels, instrument cluster, airbags, seat belts.

Diagnostics:

OBD-II diagnostic procedures, trouble codes (DTCs), diagnostic scan tool usage, circuit testing.

Preventive Maintenance:

Scheduled maintenance tasks, fluid changes, filter replacements, inspections.

Troubleshooting Guides:

Systematic troubleshooting procedures for common and uncommon problems.

Repair Procedures:

Step-by-step repair instructions for all major vehicle systems.

Component Replacement:

Detailed instructions for replacing individual components like sensors, actuators, and modules.

Wiring Diagrams:

Comprehensive electrical wiring schematics for all vehicle systems.

Torque Specifications:

Exact torque values for all fasteners and critical components.

Depth Of Coverage:

Comprehensive, suitable for professional technicians and advanced DIY enthusiasts.

Diagnostic Capabilities:

Detailed diagnostic trees and fault code explanations.

Rebuild Procedures:

Includes procedures for internal engine and transmission component rebuilding.

📊 Manual Specifications

Digital Format:

PDF

Searchability:

Likely text-searchable PDF for easy navigation.

Image Resolution:

High-resolution graphics and diagrams.

Digital Binding:

N/A (Digital PDF)

Digital Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code:

N52B30

Engine Type:

3.0L Inline 6-cylinder (I6), Naturally Aspirated

Displacement:

2996 cc (3.0 Liters)

Horsepower:

255 hp @ 6600 rpm

Torque:

217 lb-ft @ 2750 rpm

Redline:

7000 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI), Valvetronic, Double VANOS

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Emission Controls:

Catalytic converter, oxygen sensors, crankcase ventilation system (CCV).

🔧 Transmission

Transmission Type:

6-speed Manual Transmission (for some trims/markets)

Transmission Type:

6-speed Steptronic Automatic Transmission with Manual Shift Mode

AWD System:

BMW xDrive Permanent All-Wheel Drive

Automatic Transmission Features:

Adaptive transmission control, sport mode.

📐 Dimensions

Length:

Sedan (E90): 181.8 inches (4618 mm); Wagon (E91): 184.6 inches (4689 mm)

Width:

Sedan/Wagon: 69.9 inches (1777 mm)

Height:

Sedan: 56.7 inches (1440 mm); Wagon: 57.4 inches (1458 mm)

Wheelbase:

Sedan: 108.7 inches (2760 mm); Wagon: 108.7 inches (2760 mm)

Curb Weight:

Approx. 3650 - 3800 lbs (1656 - 1724 kg), depending on body style and options.

Trunk Capacity:

Sedan: 12.0 cu ft (338 L); Wagon: 17.7 cu ft (500 L) / 51.5 cu ft (1458 L) with rear seats folded.

🛡️ Safety Features

NHTSA Front Impact:

5-Star (Driver and Passenger)

NHTSA Side Impact:

5-Star (Front and Rear Occupants)

IIHS Roof Strength:

Good

Stability Control:

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

Braking Assist:

Anti-lock Braking System (ABS), Brake Assist.

Airbags:

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

Seat Belts:

3-point seat belts with pretensioners and force limiters.

💡 Technology Features

I Drive System:

BMW iDrive controller with central display for navigation, climate control, audio, and vehicle settings.

Audio Options:

Standard BMW Professional Radio, optional Logic7 sound system, CD player, Satellite Radio.

Parking Sensors:

Optional front and rear Park Distance Control (PDC).

Adaptive Headlights:

Optional Xenon Adaptive Headlights with angel eyes.

Bluetooth:

Optional Bluetooth hands-free connectivity and music streaming.

Usb Aux:

Optional USB/Auxiliary input for audio devices.

🔧 Maintenance

Oil Change Interval:

Condition-based service (CBS) typically recommends every 10,000-15,000 miles or annually, whichever comes first. Refer to manual for exact CBS reset procedure.

Brake Fluid Flush:

Typically every 2 years, regardless of mileage.

Engine Air Filter:

As needed, typically around 30,000-50,000 miles or when indicated by CBS.

Cabin Air Filter:

As needed, typically annually or every 15,000-20,000 miles.

Spark Plugs:

Typically at 60,000-100,000 miles for the N52 engine (refer to manual for specific type and interval).

Engine Oil:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) compliant synthetic oil, typically 5W-30 or 0W-30. Consult manual for precise specification.

Coolant:

BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) mixed 50/50 with distilled water.

Brake Fluid:

DOT 4 High Performance Brake Fluid.

Transmission Fluid Automatic:

BMW ATF LT-5 or equivalent (e.g., ZF Lifeguardfluid 6). Refer to manual for correct fluid and filter kit.

Differential Fluid:

BMW Hypoid Gear Oil (G2) or equivalent, typically SAE 75W-90 or 75W-140. Refer to manual for specific front and rear axle fluid.

Crankcase Ventilation System:

Failure of the CCV system and its hoses can lead to oil leaks, rough idle, and increased oil consumption.

Water Pump:

Plastic impeller water pumps are prone to failure, often requiring replacement with an all-metal impeller version.

Ignition Coils:

Coil packs can fail, leading to misfires and rough running.

Oil Pan Gasket Leaks:

The oil pan gasket and rear main seal can develop leaks over time.

Power Steering Pump:

Occasional leaks or failure of the power steering pump and lines.

📚 Vehicle History

Brand Identity:

BMW (Bayerische Motoren Werke AG) is known for its 'Ultimate Driving Machine' slogan, emphasizing sporty performance and luxury.

E90 Generation:

The E90 generation (introduced 2005 for 2006 model year) represented a significant redesign over the E46 generation, featuring sharper styling, improved technology, and the introduction of the xDrive AWD system for many models.

Manufacturing Location:

Primarily manufactured in Germany, with some production in other global facilities.

🏆 Awards & Recognition

Car And Driver 10 Best:

BMW 3 Series models, including the E90 generation, frequently appeared on Car and Driver's 10Best lists for their segment-leading dynamics and engineering.

Consumer Reports Reliability:

Varied reliability ratings throughout the generation. Manuals are crucial for addressing common wear items proactively.