🏷️ Basic Information

Make:

BMW

Model:

3 Series

Variant:

323i

Body Style:

Sedan

Year:

2011

Chassis Code:

E90

👋 Introduction

Segment:

Compact Executive Sedan

Brand Philosophy:

The 3 Series represents BMW's core philosophy of 'Sheer Driving Pleasure' in a more accessible package.

Key Competitors:

Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G37.

Driving Dynamics:

Renowned for balanced chassis, rear-wheel drive bias (standard), and responsive steering.

Engine Smoothness:

N52 inline-six engine known for its smooth power delivery and refined operation.

Build Quality:

Typical BMW high standards for interior materials and assembly.

Design Language:

Elegant and understated styling, characteristic of BMW's design evolution.

📋 Manual Details

Systems Covered Overview:

Comprehensive coverage of all owner-operated systems and functions for the 2011 BMW 323i Sedan.

Estimated Page Count:

350-450

Type:

Owner's Manual

Language:

English

Format:

Digital PDF

📖 Manual Coverage

Engine Management:

Operation, warnings, and basic information on the N52B25 engine.

Instrument Cluster:

Detailed explanation of all gauges, warning lights, and indicators.

Entertainment Systems:

Operation of the iDrive system, radio, CD player, and optional features.

Climate Control:

Operation of manual and automatic climate control systems, including A/C and heating.

Lighting:

Operation of headlights, taillights, interior lights, fog lights, and adaptive headlights.

Safety Systems:

Explanation of airbags, seatbelts, child seat installation, ABS, DSC, and run-flat tires.

Windows Doors Locks:

Operation of power windows, central locking, and remote key functions.

Mirrors Seats:

Adjustment and operation of mirrors, power seats, and lumbar support.

Infotainment Connectivity:

Basic usage of Bluetooth, USB audio, and auxiliary inputs.

Driving Information:

Information on trip computer, fuel economy, and driving modes.

Tire Pressure Monitoring:

Understanding the RDC system and its warnings.

Sunroof Convertible Top:

Operation and care of the power sunroof (if equipped).

Wipers Washers:

Operation of front and rear wipers, and headlight washers.

Wheels Tires:

Information on tire types, pressure recommendations, and wheel specifications.

Routine Checks:

Guidance on checking fluid levels (oil, coolant, brake fluid, washer fluid).

Tire Changing:

Instructions for using the jack and changing a flat tire (including run-flat specific guidance).

Jump Starting:

Correct procedures for jump-starting a vehicle with a dead battery.

Refueling:

Information on fuel type, capless refueling system, and fuel economy tips.

Fuse Replacement:

Location and identification of fuse boxes and common fuse replacement.

Wiper Blade Replacement:

Instructions for replacing windshield wiper blades.

Battery Maintenance:

Basic battery care and information.

Troubleshooting Warnings:

Explanation of common warning messages and indicators.

Depth:

Owner-level operations, basic maintenance guidance, and system explanations. Does not include in-depth diagnostic procedures or repair instructions typical of a service manual.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text for easy information retrieval.

Printability:

Printable pages for offline reference.

Quality:

High-resolution digital reproduction of original factory content.

Binding:

N/A (Digital format)

Paper:

N/A (Digital format)

⚙️ Engine Specifications

Engine Code:

N52B25

Configuration:

Inline 6-cylinder, Naturally Aspirated

Displacement:

2.5 Liters (2497 cc)

Bore X Stroke:

82 mm x 78.5 mm

Compression Ratio:

12.0:1

Horsepower:

215 hp @ 6500 rpm

Torque:

214 lb-ft @ 2750 rpm

Redline:

7000 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) with Valvetronic and Double VANOS

Recommended Fuel:

Premium Unleaded (91 octane or higher)

🔧 Transmission

Type:

6-Speed Manual (Getrag GS6-37BZ)

Type:

6-Speed Automatic (ZF 6HP19TU)

Automatic Features:

Steptronic with paddle shifters (optional on automatic models).

📐 Dimensions

Length:

181.4 inches (4608 mm)

Width:

69.9 inches (1775 mm)

Height:

56.7 inches (1441 mm)

Wheelbase:

108.7 inches (2760 mm)

Front Track:

59.4 inches (1509 mm)

Rear Track:

60.4 inches (1534 mm)

Trunk Volume:

12.0 cu ft (339 Liters)

Curb Weight Manual:

3461 lbs (1570 kg)

Curb Weight Automatic:

3516 lbs (1595 kg)

🛡️ Safety Features

NHTSA Front Impact:

5 Stars

NHTSA Side Impact:

5 Stars

NHTSA Rollover:

4 Stars

IIHS Top Safety Pick:

Yes

Traction Control:

Dynamic Stability Control (DSC)

Braking System:

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

Tire Monitoring:

Tire Pressure Monitoring (RDC)

Airbags:

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

Seatbelts:

3-point inertia-reel seatbelts with pretensioners and force limiters.

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system.

Run Flat Tires:

Standard fitment, allowing limited travel after a puncture.

💡 Technology Features

System Name:

BMW iDrive (CCC or CIC, depending on options)

Display Size:

Typically 6.5-inch or 8.8-inch center display.

Connectivity Options:

Bluetooth hands-free, USB audio interface, auxiliary audio input.

Navigation:

Optional professional navigation system.

Parking Aid:

Optional Park Distance Control (PDC) with front and rear sensors.

Cruise Control:

Standard cruise control, optional Active Cruise Control (ACC) with Stop & Go.

Lighting Features:

Optional Xenon Adaptive Headlights.

Usb Port Location:

Center console or glove box.

🔧 Maintenance

Oil Change Interval:

Condition Based Service (CBS) system monitors oil life, typically around 10,000-15,000 miles or annually, whichever comes first.

Brake Fluid Change:

Every 2 years, regardless of mileage (CBS alert).

Engine Air Filter:

Replace as indicated by CBS, typically around 30,000-50,000 miles.

Cabin Microfilter:

Replace annually or as indicated by CBS.

Spark Plugs:

Replace around 60,000 miles (check specific CBS recommendations).

Coolant Change:

BMW recommends coolant for life, but a flush and replacement every 5 years is advisable.

Engine Oil:

SAE 5W-30 or 0W-30 Synthetic, meeting BMW LL-01 or LL-04 specifications. Capacity: Approx. 6.5 quarts (6.2 liters).

Coolant:

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

Brake Fluid:

DOT 4 Low Viscosity (LV) or higher (e.g., DOT 4 Plus).

Transmission Fluid Manual:

SAE 75W-90 Synthetic Gear Oil, meeting BMW specification.

Transmission Fluid Automatic:

ZF Lifeguardfluid 6 (or equivalent meeting Shell M-1375.4 specification).

Common Wear Items:

Eccentric shaft sensor (eccentricity sensor), ignition coils, VANOS solenoids, oil pan gasket leaks, valve cover gasket leaks.

Cooling System:

Water pump and thermostat failure can occur due to plastic components.

Pcv System:

Crankcase ventilation (PCV) valve and hoses can clog or rupture, leading to rough idle and oil leaks.

📚 Vehicle History

Heritage Summary:

BMW AG, founded in 1916, is a German luxury vehicle, motorcycle, and engine manufacturer with a strong reputation for performance, engineering, and driving dynamics.

3 Series Heritage:

The 3 Series has been BMW's compact executive car offering since its introduction in 1975, consistently setting benchmarks for handling and driver engagement.

E90 Generation:

The E90 generation (2006-2013) marked a significant technological advancement, featuring improved safety, efficiency, and the introduction of iDrive.

Manufacturing Location:

Primarily produced at BMW's Dingolfing plant in Germany, with additional assembly in various international locations.

Model Life Cycle:

The E90 sedan was part of the larger E90/E91/E92/E93 generation, produced from 2005 to 2013.

🏆 Awards & Recognition

Previous Model Year Awards:

While specific awards for the 2011 323i are not individually listed, the E90 3 Series generation consistently received accolades for its driving dynamics, safety, and overall quality from automotive publications like Car and Driver, MotorTrend, and Edmunds.

Segment Awards:

The BMW 3 Series has frequently been named to '10Best' lists and 'Car of the Year' awards in its segment throughout its history.