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BMW

BMW 3-series F30 F31 F34 F35 2012 Service and Repair Manual

BMW 3-series F30 F31 F34 F35 2012 Service and Repair Manual

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Vehicle data plateRef 568663
Brand
BMW
Vehicle
Cars
Models covered
3-series, F30, F31, F34, F35, Misc
Years
2012
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
BMW
Model:
3-Series
Generation
Chassis Code:
F30 (Sedan), F31 (Touring/Wagon), F34 (Gran Turismo), F35 (Long Wheelbase Sedan)
Codes
Model Year:
2012
👋 Introduction
Market Position
Segment:
Compact Executive Sedan/Wagon/Gran Turismo
Competitors:
Audi A4, Mercedes-Benz C-Class, Lexus IS, Cadillac ATS, Infiniti Q50.
Key Features
Driving Dynamics:
Renowned for its balanced chassis, rear-wheel-drive bias (with xDrive AWD available), and engaging driving experience.
Powertrain Options:
Wide range of efficient yet powerful 4-cylinder and 6-cylinder TwinPower Turbo petrol and diesel engines.
Technology:
Introduction of advanced iDrive infotainment, driver assistance systems, and connectivity features.
📋 Manual Details
Coverage Areas
Full Coverage:
Yes, A-Z repairs
Vehicle Specificity:
Vehicle specific, not generic
Page Count
Estimated Pages:
Over 3000 (typical for comprehensive BMW service manuals)
Manual Type
Type:
Service and Repair Manual
Language
Language:
English
Format
Format:
Digital (likely PDF), searchable
📖 Manual Coverage
Systems Covered
Powertrain:
Engine mechanicals, fuel system, ignition, emissions control, cooling, lubrication, exhaust systems for all F30/F31/F34/F35 variants.
Drivetrain:
Manual and automatic transmissions, transfer cases (if applicable), differentials, drive shafts, CV joints, axles.
Chassis:
Suspension (front and rear), steering systems (power steering, electric power steering), braking systems (ABS, DSC, parking brake), wheel and tire specifications.
Electrical:
Full electrical diagrams, battery, charging system, starter, lighting, instrument cluster, comfort electronics, infotainment systems, onboard computers (ECUs).
Body:
Body panels, doors, windows, locks, exterior trim, interior trim, climate control, HVAC, safety restraints (airbags, seatbelts).
Procedures Included
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and top-offs, brake pad/rotor replacement, spark plug replacement, belt replacement.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs), testing procedures for components.
Repair:
Detailed step-by-step repair instructions for virtually all mechanical and electrical components, including engine rebuilds, transmission overhaul, suspension component replacement.
Installation:
Component removal and installation procedures, timing belt/chain alignment, brake bleeding procedures, diagnostic tool usage (e.g., ISTA/D).
Technical Depth
Depth:
Comprehensive, suitable for professional technicians and advanced DIYers. Includes detailed specifications, torque values, diagnostic procedures, and wiring diagrams.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Text-searchable
Print Quality
Quality:
High-resolution, suitable for printing individual pages or sections.
Binding Type
Binding:
N/A (Digital Format)
Paper Type
Paper:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Code Examples:
N20 (2.0L I4 Turbo Petrol), N55 (3.0L I6 Turbo Petrol), N47 (2.0L I4 Turbo Diesel), B47 (2.0L I4 Turbo Diesel - later models, but may be referenced).
Performance
Horsepower Range:
Approximately 180 hp to 300+ hp (depending on specific engine variant).
Torque Range:
Approximately 200 lb-ft to 300 lb-ft (depending on specific engine variant).
Fuel System
Injection Type:
Direct injection (High-Pressure Fuel Injection - HPFI)
Turbocharging:
TwinPower Turbo (single twin-scroll turbocharger for most engines).
🔧 Transmission
Standard
Transmission Type Standard:
6-speed manual (e.g., GS6-37BG for petrol, GS6-45DZ for diesel)
Optional
Transmission Type Optional:
8-speed Steptronic automatic (e.g., ZF 8HP45, ZF 8HP70)
Features
Driving Modes:
Sport, Comfort, Eco Pro modes affecting transmission shift points and throttle response.
AWD Availability:
xDrive all-wheel-drive system available on most models.
📐 Dimensions
Exterior
F30 Sedan Length:
Approx. 181.4 - 182.2 inches (4608 - 4628 mm)
F31 Touring Length:
Approx. 181.4 inches (4608 mm)
F34 Gt Length:
Approx. 190.2 inches (4830 mm)
Weights
Curb Weight Range:
Approx. 3300 - 3800 lbs (1497 - 1724 kg)
Gross Vehicle Weight Rating:
Varies by model and configuration, typically 4500-5000 lbs.
🛡️ Safety Features
Ratings
NHTSA Rating:
Generally received high ratings, often 5-star overall safety rating in relevant markets for the F30 generation.
IIHS Rating:
Top Safety Pick or Top Safety Pick+ designation for the F30 generation.
Active Features
Stability Control:
Dynamic Stability Control (DSC) including Automatic Stability Control (ASC), Traction Control (ASC+T), Cornering Brake Control (CBC).
Braking Assist:
Anti-lock Braking System (ABS), Brake Assist (BA), Dynamic Traction Control (DTC).
Passive Features
Airbags:
Front airbags, side airbags, knee airbags (driver), head curtain airbags (front and rear passengers).
Seatbelts:
Three-point inertia-reel seatbelts with pretensioners and force limiters.
💡 Technology Features
Infotainment
System Name:
iDrive (e.g., CIC or NBT Professional Navigation systems)
Features:
Navigation, Bluetooth connectivity, USB audio interface, SiriusXM Satellite Radio, optional Harman Kardon surround sound.
Driver Assistance
Systems Available:
Optional features include Adaptive Cruise Control (ACC), Lane Departure Warning (LDW), Blind Spot Detection, Parking Assistant, Surround View cameras.
Connectivity
Connectivity Suite:
BMW ConnectedDrive services, offering remote access via smartphone app, internet access, and real-time traffic information.
🔧 Maintenance
Service Intervals
Oil Service:
Condition Based Service (CBS) typically indicates oil changes around every 10,000 - 15,000 miles or 12-24 months, depending on driving conditions.
Brake Fluid:
Every 2 years, regardless of mileage.
Spark Plugs:
Around 60,000 miles for petrol engines (e.g., N20, N55), though CBS may adjust this.
Cabin Air Filter:
Typically every 12,000 - 15,000 miles or annually.
Fluid Specifications
Engine Oil:
BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) for diesel engines, typically SAE 0W-30 or 5W-30 synthetic. Specific viscosity depends on engine and climate.
Coolant:
BMW Blue (G48) antifreeze/coolant, mixed 50/50 with distilled water.
Transmission Fluid Auto:
Specific ATF fluid depending on ZF transmission model. Often requires specialized equipment for servicing.
Brake Fluid:
DOT 4 (BMW recommends Brake Fluid P/N 82111468027 or equivalent).
Known Issues
N20 Engine Timing Chain:
Early N20 engines (up to ~2015 production) had some reports of timing chain guide wear or failure, leading to rattling noises and potential timing issues. A revised timing chain tensioner and guides were implemented.
Electric Power Steering Pump:
Some models may experience issues with the EPS pump, leading to steering assist problems.
Oil Filter Housing Gasket:
Leaking oil filter housing gaskets can lead to oil consumption and leaks.
Water Pump Thermostat Housing:
Plastic water pump and thermostat housings can develop cracks and leaks over time.
📚 Vehicle History
Brand Heritage
Bmw Legacy:
BMW has a long-standing reputation for producing driver-focused, sporty, and well-engineered vehicles, particularly within the premium compact executive segment.
Model Evolution
F30 Introduction:
The F30 generation, launched in 2011 for the 2012 model year, replaced the E90 generation. It marked a significant evolution in design, technology, and powertrain efficiency.
Body Style Expansion:
The F31 Touring (wagon) and F34 Gran Turismo were introduced as variants, offering greater practicality and a different design aesthetic compared to the traditional sedan.
Production
Production Locations:
Primarily manufactured at BMW's Dingolfing plant in Germany, with other facilities globally.
🏆 Awards & Recognition
Recognitions
Ward Auto Ten Best Engines:
The BMW 3-Series often featured engines recognized on Ward's 10 Best Engines list during this generation, particularly the 3.0L inline-six (N55).
Motor Trend Car Of The Year:
While not winning the main award in 2012, the 3-Series was a strong contender, highlighting its market relevance and capability.
Ratings
Consumer Reports:
Consistently rated well for predicted reliability and owner satisfaction by publications like Consumer Reports during this period.

Delivery & file format

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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