HVAC system operation, refrigerant specifications, AC system diagnostics, blower motor, evaporator, condenser, heater core, dual-zone automatic climate control.
Infotainment Navigation:
iDrive system, head unit, navigation system, radio, speakers, Bluetooth connectivity, USB interface, satellite radio.
Driver Assistance:
Park Distance Control (PDC), rearview camera, Surround View, Parking Assistant, Lane Departure Warning, Collision Warning, Adaptive Cruise Control (ACC).
Safety Systems:
Airbag system diagnostics and replacement, seat belt pretensioners, crash sensor locations, SRS module reset.
Procedures Included
Routine Maintenance:
Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, brake fluid flush, coolant flush.
Detailed step-by-step procedures for replacing major and minor components across all vehicle systems.
Diagnostic Procedures:
Procedures for using diagnostic tools (e.g., ISTA), sensor testing, actuator testing, programming and coding of control units.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems, color-coded and with component identification.
Specifications Tolerances:
Tightening torques for all fasteners, critical measurements, wear limits for components.
Technical Depth
Depth:
Factory-level diagnostic and repair procedures, covering everything from basic maintenance to complete engine and transmission overhauls. Includes electronic system diagnostics and component programming.
📊 Manual Specifications
File Format
Type:
PDF
Searchability:
Fully searchable text
Print Quality
Resolution:
High resolution for clear viewing of diagrams and text
Binding Type
Binding:
N/A (Digital format)
Paper Type
Type:
N/A (Digital format)
⚙️ Engine Specifications
Primary Engine
Engine Code Examples:
N20 (e.g., 320i, 328i), N55 (e.g., 335i), B48 (later models, but N20 prevalent in 2015), B58 (later models), B38 (3-cylinder - less common in F30 2015)
Active Driving Assistant (Forward Collision Warning, Lane Departure Warning), Adaptive Cruise Control with Stop & Go, Blind Spot Detection, Side and Top View Cameras.
Passive Features
Standard Passive Safety:
Front airbags, front-side airbags, knee airbags, front and rear head protection system (air curtains), front seatbelt pretensioners.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system.
💡 Technology Features
Infotainment
System Name:
iDrive (NBT or CIC based)
Features:
High-resolution display, voice control, Bluetooth audio streaming, USB connectivity, optional navigation Professional, enhanced Bluetooth with smartphone integration.
Driver Assistance
Availability:
Wide range of optional driver assistance systems, enhancing safety and convenience.
Parking Aids:
Park Distance Control (PDC) with visual aids, rearview camera, optional Parking Assistant and Surround View.
Connectivity
Mobile Integration:
Enhanced Bluetooth with USB interface, BMW ConnectedDrive services (e.g., real-time traffic information, concierge services).
Display Technology:
Full-color LCD instrument cluster with driver information system (DIS), optional Head-Up Display (HUD).
🔧 Maintenance
Service Intervals
Oil Change Interval:
Condition Based Service (CBS) system typically indicates oil change every 10,000-15,000 miles or annually, whichever comes first.
Brake Fluid Change:
Every 2 years, regardless of mileage.
Spark Plug Replacement:
Typically around 60,000 miles for gasoline engines (check specific engine code).
Air Filter Replacement:
Condition Based Service (CBS) or every 30,000 miles.
Cabin Filter Replacement:
Condition Based Service (CBS) or every 15,000-30,000 miles.
Transmission Fluid Change Auto:
BMW officially stated 'lifetime' fluid for many transmissions; however, independent specialists recommend change every 60,000-100,000 miles for longevity.
Fluid Specifications
Engine Oil Type N20:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) synthetic oil, typically SAE 0W-30 or 0W-40.
Engine Oil Type N55:
BMW Longlife-01 (LL-01) synthetic oil, typically SAE 0W-40.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based)
Brake Fluid Type:
DOT 4 Low Viscosity (LV) or DOT 4 +.
Automatic Transmission Fluid:
Specific ZF fluid (e.g., ZF Lifeguard 8) – critical to use correct type.
Known Issues
N20 Engine Timing Chain:
Early N20 engines had issues with timing chain tensioner wear, leading to potential chain stretching and timing errors. Later production runs addressed this.
Electric Power Steering Pump:
Some EPS pumps can fail, leading to loss of power steering assist.
Water Pump Thermostat Housing:
Plastic thermostat housings and electric water pumps can develop leaks over time.
Oil Filter Housing Gasket Leaks:
Common for oil filter housing gasket to degrade and leak oil.
Battery Management System:
Requires proper registration of new batteries to the vehicle's IBS (Intelligent Battery Sensor) to prevent charging issues.
📚 Vehicle History
Brand Heritage
Brand Focus:
BMW has a long-standing heritage in producing driver-focused, sporty luxury vehicles with advanced engineering.
Model Evolution
3 Series Legacy:
The 3 Series is BMW's best-selling model and has been the benchmark for compact executive cars for decades, known for its 'Ultimate Driving Machine' philosophy.
F30 Generation Introduction:
The F30 generation replaced the E90 and introduced new chassis dynamics, improved fuel efficiency via turbocharging and electrification (e.g., ActiveHybrid 3, though less common), and a redesigned interior with the evolved iDrive system.
F31 Touring Introduction:
The F31 Touring (wagon) expanded the 3 Series lineup, offering increased practicality and cargo space while retaining the core driving characteristics.
F34 Gran Turismo Introduction:
The F34 Gran Turismo offered a more coupe-like profile with increased interior space and a raised seating position, blending sportiness with SUV-like versatility.
Production
Production Locations:
Primary production in Munich, Germany; also significant production in Dingolfing, Germany, and Rosslyn, South Africa.
Model Year 2015 Updates:
For 2015, models often received minor updates, including potential powertrain enhancements and new standard/optional features. The 328i was replaced by the 330i for later model years with a slightly more powerful N20/B48 variant.
🏆 Awards & Recognition
Recognitions
Ward Best 10 Engines:
The N20 2.0L turbo four-cylinder engine received multiple 'Ward's 10 Best Engines' awards for its blend of performance and efficiency.
Consumer Reports Ratings:
Generally receives good ratings for predicted reliability and owner satisfaction, though specific model years and engine variants can vary.
Car And Driver Best 10 Cars:
The 3 Series has frequently been included on Car and Driver's '10Best Cars' list for its exceptional driving dynamics and overall value.
Wenn du dich für eine Auswahl entscheidest, wird die Seite komplett aktualisiert.