Market Position:
The 2011 BMW 3 Series (E90/E91/E92/E93) represents the penultimate iteration of BMW's highly acclaimed compact executive sedan, coupe, convertible, and wagon. It's positioned as a premium, driver-focused vehicle, competing directly with models like the Mercedes-Benz C-Class, Audi A4, and Lexus IS.
Competitive Analysis:
The 328i, specifically, offers a blend of potent naturally aspirated six-cylinder performance and BMW's renowned driving dynamics. This manual is crucial for owners and independent repair shops looking to maintain or repair these sophisticated vehicles, often at a lower cost than dealership service.
Key Features:
This software manual provides official, dealership-level repair information, ensuring accuracy and completeness for all service and repair tasks. Its digital format allows for quick searching and easy access to specific procedures.
Coverage Areas:
Complete mechanical and electrical systems, bodywork, interior, maintenance, diagnostics, troubleshooting, repair procedures, wiring diagrams.
Page Count:
Extensive (specific count not provided, typical for comprehensive software manuals)
Manual Type:
Service and Repair Manual Software
Format:
Digital Software (likely PDF or proprietary executable with search functionality)
Engine:
Engine mechanicals (N51/N52 3.0L inline-6), lubrication system, cooling system, fuel system (injection, pump, lines), ignition system, exhaust system, emissions control.
Transmission:
Manual and Automatic transmission repair, clutch, torque converter, transmission control module (TCM), fluid specifications, and servicing.
Drivetrain:
Driveshaft, differential, axles, wheel bearings, power steering system, transfer case (if applicable).
Brakes:
Brake system components (discs, pads, calipers, lines), ABS, DSC (Dynamic Stability Control), parking brake, hydraulic system, bleeding procedures.
Suspension:
Front and rear suspension systems (struts, shocks, springs, control arms, bushings), steering system, wheel alignment specifications.
Electrical:
Complete electrical system, battery, charging system (alternator, regulator), starter motor, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams for all circuits.
Bodywork:
Exterior body panels, doors, hood, trunk, bumpers, glass, mirrors, chassis repair, rust prevention, paint codes.
Interior:
Interior trim, dashboard, seats, upholstery, climate control system (HVAC), airbags, safety restraints, audio system, navigation system.
Diagnostics:
On-Board Diagnostics (OBD-II), diagnostic trouble codes (DTCs), scan tool usage, sensor diagnostics, module communication.
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, fluid checks and changes, brake pad/rotor replacement, battery maintenance.
Repair:
Engine overhaul, transmission rebuild, suspension component replacement, brake system repair, electrical component troubleshooting and replacement, body panel repair and replacement, interior trim repair.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts, fault code analysis.
Installation:
Installation procedures for common aftermarket parts or replacement components (e.g., sensors, modules).
Technical Depth:
Comprehensive, covering basic DIY maintenance to advanced mechanical and electrical diagnostics and repairs. Includes detailed torque specifications, clearance measurements, and component testing procedures.
Engine:
3.0L (2996cc) Naturally Aspirated Inline-6
Engine Code Note:
N51B30 for 328i Sedan/Wagon (often with Valvetronic/DISA), N52B30 for 328i Coupe/Convertible (also with Valvetronic/DISA).
Horsepower:
Approximately 230 hp @ 6500 rpm
Torque:
Approximately 200 lb-ft @ 2750 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with Direct Ignition System (DISA - Differential Air Intake System on some variants for variable intake manifold runner control).
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio:
12.0:1
Oil Type:
SAE 0W-30 Synthetic (BMW Longlife-01 or BMW Longlife-04 specifications recommended)
Oil Capacity:
Approximately 6.5 quarts (6.2 liters) with filter change
Spark Plug Type:
NGK SILZKR7B11 (Laser Iridium)
Spark Plug Gap:
0.031 inches (0.8 mm)
Transmission Type Sedan Wagon:
6-Speed Manual Transmission (GS6-37BZ)
Transmission Type Coupe Convertible:
6-Speed Manual Transmission (GS6-37BZ)
Transmission Type Sedan Wagon:
6-Speed Automatic Transmission with Steptronic (GA6HP19Z)
Transmission Type Coupe Convertible:
6-Speed Automatic Transmission with Steptronic (GA6HP19Z)
Transmission Fluid Type:
Automatic: ATF N 275 or equivalent; Manual: SAE 75W-90 Synthetic Gear Oil (check specific BMW specifications)
Transmission Fluid Capacity Automatic:
Approximately 9 quarts (8.5 liters) - requires precise fill procedure
Transmission Fluid Capacity Manual:
Approximately 1.7 quarts (1.6 liters)
Infotainment System:
BMW iDrive system (CCC or CIC professional navigation systems were optional), including radio, CD player, optional navigation, and Bluetooth connectivity.
Driver Assistance Features:
Optional features included adaptive headlights, front and rear parking sensors (PDC), rearview camera, and advanced cruise control.
Connectivity Options:
Bluetooth hands-free calling, USB audio interface, and auxiliary audio input. Higher trims offered satellite radio and enhanced multimedia integration.
Oil Change Interval:
Variable, typically indicated by the Condition Based Service (CBS) system, generally between 7,500 and 15,000 miles (12,000 - 24,000 km) or 12-24 months, whichever comes first. Always refer to CBS prompts.
Brake Fluid Change:
Every 2 years (regardless of mileage), recommended by BMW for optimal ABS and DSC performance.
Air Filter Replacement:
Recommended every 30,000 miles (48,000 km) or as per CBS, depending on driving conditions.
Cabin Filter Replacement:
Recommended every 15,000-20,000 miles (24,000-32,000 km) or annually.
Spark Plug Replacement:
Approximately every 100,000 miles (160,000 km) for the OEM laser iridium plugs.
Coolant Type:
BMW Blue Coolant (G48 ethylene glycol-based) or equivalent approved coolant, mixed 50/50 with distilled water.
Power Steering Fluid:
Pentosin CHF 11S or equivalent; check owner's manual or manual for specific part number.
Brake Fluid Specification:
DOT 4 (BMW DOT 4 HP or equivalent)
Engine Oil Leaks:
Common leaks from valve cover gasket, oil filter housing gasket, and oil pan gasket due to age and material degradation.
Cooling System:
Plastic coolant expansion tanks can become brittle and crack. Water pump failure (often electric with plastic impeller) is also noted.
Ignition System:
Coil-on-plug ignition coils can fail, leading to misfires. Spark plugs should be replaced at recommended intervals.
Pcv System:
The Positive Crankcase Ventilation (PCV) valve or breather system integrated into the valve cover can clog or fail, leading to rough idle, oil leaks, or increased oil consumption.
Suspension Components:
Worn control arm bushings and tie rod ends can cause steering looseness and premature tire wear. Shock absorbers and struts may also require replacement.
Electric Water Pump:
The N51/N52 engines utilize an electric water pump, which can fail, leading to overheating. These are typically replaced as a complete unit.
Brand Heritage:
BMW (Bayerische Motoren Werke AG) has a long and storied history dating back to 1916, renowned for producing premium vehicles with a focus on driving pleasure and engineering excellence. The '3 Series' designation has been a cornerstone of BMW's lineup for decades, consistently defining the compact executive sports sedan segment.
Model Evolution E90:
The E90 generation, launched in 2005 (as a 2006 model), replaced the E46. The 2011 model year is part of the later facelifted (LCI) version of the E90 generation, which introduced updated styling, improved interior features, and engine enhancements. The 328i replaced the 325i from previous years, offering a more potent engine.
Production Period:
The E90 generation was produced from 2005 to 2011 (sedan), 2005 to 2012 (wagon), 2006 to 2013 (coupe), and 2007 to 2013 (convertible). The 328i variant specifically ran for a significant portion of this lifecycle.
Manufacturing Locations:
Primary manufacturing sites included Dingolfing and Munich, Germany, with some assembly also occurring in South Africa and other international locations.