BMW 330i 2012-2018 Emissions & Sensors Specifications
Comprehensive technical documentation for the emissions sensors system in the 2012-2018 BMW 330I, including sensor types, specifications, and diagnostic information for the N20 and B48 engines.
Overview Specifications
Comprehensive description of the emissions_sensors specifications for the 2012-2018 BMW 330I, including key features, measurements, and technical details
How to Use
Use the search function to locate specific emissions_sensor specifications by entering keywords such as 'Oxygen Sensor', 'NOx Sensor', or 'Temperature Range'
Navigate through the emissions_sensors documentation by using the table of contents or clicking on section headers for detailed information
Key Specifications
O2 Sensor Voltage Range
0.45V to 0.85V
NOx Sensor Accuracy
±2 ppm
Temperature Sensor Range
0°C to 1000°C
O2 Sensor Lifespan
100,000 miles
Available Specifications
Oxygen Sensors (O2 Sensors)
Detailed description of the oxygen sensors used in the 2012-2018 BMW 330I, including their role in emissions control and technical specifications
Oxygen Sensors (O2 Sensors)
Detailed description of the oxygen sensors used in the 2012-2018 BMW 330I, including their role in emissions control and technical specifications
O2 Sensor Functionality
- Monitors oxygen levels in exhaust gases
- Provides feedback to the ECU for optimal fuel mixture
- Operates within a temperature range of 300°C to 900°C
- Accuracy: ±0.5% oxygen concentration
- Response time: <100 milliseconds
O2 Sensor Specifications
- Material: Zirconium dioxide ceramic
- Voltage range: 0.45V to 0.85V
- Operating lifespan: 100,000 miles
- Mounting location: Exhaust manifold
- Note: Ensure proper calibration during installation
Nitrogen Oxide Sensors (NOx Sensors)
Description of the NOx sensors in the 2012-2018 BMW 330I, focusing on their role in detecting and reducing nitrogen oxide emissions
Nitrogen Oxide Sensors (NOx Sensors)
Description of the NOx sensors in the 2012-2018 BMW 330I, focusing on their role in detecting and reducing nitrogen oxide emissions
NOx Sensor Functionality
- Detects nitrogen oxides in exhaust gases
- Supports emissions compliance with Euro 6 standards
- Operates within a temperature range of 200°C to 500°C
- Accuracy: ±2 ppm NOx concentration
- Response time: <200 milliseconds
NOx Sensor Specifications
- Material: Platinum and ceramic composite
- Voltage range: 0.3V to 1.2V
- Operating lifespan: 80,000 miles
- Mounting location: Post-catalytic converter
- Note: Regular maintenance required for optimal performance
Temperature Sensors
Overview of the temperature sensors used in the emissions system of the 2012-2018 BMW 330I, including their role in monitoring exhaust temperatures
Temperature Sensors
Overview of the temperature sensors used in the emissions system of the 2012-2018 BMW 330I, including their role in monitoring exhaust temperatures
Temperature Sensor Functionality
- Monitors exhaust gas temperature
- Supports ECU in optimizing combustion efficiency
- Operates within a range of 0°C to 1000°C
- Accuracy: ±1°C
- Response time: <50 milliseconds
Temperature Sensor Specifications
- Material: Thermistor-based ceramic
- Voltage range: 0.1V to 5V
- Operating lifespan: 120,000 miles
- Mounting location: Various points in exhaust system
- Note: Ensure proper insulation to prevent false readings
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Oxygen Sensors
- Part Number
-
- 11787558025
- 11787558026
- Location
-
- Pre-catalytic converter
- Post-catalytic converter
- Type
- Zirconia dioxide
- Operating Temperature Range
- -40°C to 900°C
- Response Time
- 0.1 to 0.3 seconds
- Voltage Output Range
- 0.1V to 0.9V
- Tolerance
- ±0.02V
- Cross Reference
-
- DME control unit
- Catalytic converter
Nitrogen Oxide Sensors
- Part Number
- 11747837965
- Location
- Exhaust system
- Type
- Planar dual-cell
- Operating Temperature Range
- -40°C to 950°C
- Response Time
- 0.5 to 1.5 seconds
- Measurement Range
- 0 to 1000 ppm
- Tolerance
- ±5 ppm
- Cross Reference
-
- SCR system
- AdBlue injector
Mass Air Flow Sensor
- Part Number
- 13627563147
- Location
- Intake air duct
- Type
- Hot-film anemometer
- Operating Temperature Range
- -40°C to 120°C
- Measurement Range
- 0 to 500 kg/h
- Tolerance
- ±2% of reading
- Cross Reference
-
- DME control unit
- Air filter
Exhaust Gas Temperature Sensors
- Part Number
-
- 11747837966
- 11747837967
- Location
-
- Pre-catalytic converter
- Post-catalytic converter
- Type
- NTC thermistor
- Operating Temperature Range
- -40°C to 1000°C
- Response Time
- 1 to 3 seconds
- Tolerance
- ±5°C
- Cross Reference
-
- DME control unit
- Catalytic converter
Differential Pressure Sensor
- Part Number
- 11747837968
- Location
- Exhaust system
- Type
- Piezoresistive
- Measurement Range
- 0 to 500 mbar
- Tolerance
- ±1 mbar
- Operating Temperature Range
- -40°C to 150°C
- Cross Reference
-
- DPF system
- DME control unit
Catalytic Converter Efficiency Sensors
- Part Number
- 11747837969
- Location
- Catalytic converter
- Type
- Oxygen storage capacity sensor
- Operating Temperature Range
- -40°C to 800°C
- Response Time
- 0.2 to 0.5 seconds
- Tolerance
- ±3%
- Cross Reference
-
- DME control unit
- Oxygen sensors
Evaporative Emissions Sensor
- Part Number
- 11747837970
- Location
- Fuel tank
- Type
- Pressure sensor
- Measurement Range
- -50 to +50 mbar
- Tolerance
- ±0.5 mbar
- Operating Temperature Range
- -40°C to 120°C
- Cross Reference
-
- Fuel tank vent valve
- DME control unit
Particulate Matter Sensor
- Part Number
- 11747837971
- Location
- Exhaust system
- Type
- Laser-based
- Measurement Range
- 0 to 10 mg/m³
- Tolerance
- ±0.1 mg/m³
- Operating Temperature Range
- -40°C to 200°C
- Cross Reference
-
- DPF system
- DME control unit
Lambda Sensor Heater
- Part Number
- 11747837972
- Location
- Oxygen sensor
- Type
- Ceramic heating element
- Operating Voltage
- 12V
- Power Consumption
- 12W
- Heating Time
- 10 to 30 seconds
- Cross Reference
-
- Oxygen sensor
- DME control unit
Diagnostic Specifications
- Fault Codes
-
- P0130
- P0135
- P0141
- P0420
- P0430
- Diagnostic Tool
- BMW ISTA/D
- Test Conditions
-
- Engine running
- Normal operating temperature
- Test Procedures
-
- Check sensor voltage output
- Verify heater circuit resistance
- Inspect wiring and connectors
- Cross Reference
-
- DME control unit
- OBD-II port
Service Information Service
Detailed service requirements and schedules for emissions sensors
- Inspect oxygen sensors for contamination
- Check wiring and connectors for damage
- Verify sensor response time
Replace sensors if response time exceeds tolerance
- Replace oxygen sensors
- Inspect catalytic converter efficiency sensors
- Check exhaust gas temperature sensors
Use OEM parts for replacement
- Replace nitrogen oxide sensors
- Inspect particulate matter sensor
- Check evaporative emissions sensor
Perform diagnostic scan after replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the oxygen sensor in the 2012-2018 BMW 330i?
What is the function of the oxygen sensor in the 2012-2018 BMW 330i?
The oxygen sensor (O2 sensor) monitors the oxygen content in the exhaust gases. It provides real-time feedback to the engine control unit (ECU) to optimize the air-fuel mixture for efficient combustion, reducing emissions and improving fuel economy. The sensor operates at a voltage range of 0.1V (lean mixture) to 0.9V (rich mixture).
Q2 How often should the emissions sensors be replaced in a BMW 330i?
How often should the emissions sensors be replaced in a BMW 330i?
BMW recommends inspecting the emissions sensors every 60,000 miles. Replacement intervals vary based on driving conditions, but most sensors last between 60,000 to 100,000 miles. Faulty sensors may trigger the Check Engine Light (CEL) and should be replaced immediately to avoid increased emissions and reduced performance.
Q3 What are the symptoms of a failing NOx sensor in the BMW 330i?
What are the symptoms of a failing NOx sensor in the BMW 330i?
A failing NOx sensor may cause symptoms such as reduced engine performance, increased fuel consumption, and the illumination of the Check Engine Light. The NOx sensor measures nitrogen oxide levels in the exhaust system, and failure can lead to non-compliance with emissions standards. Diagnostic trouble codes (DTCs) such as P229F or P2201 may be logged.
Q4 Can I replace the emissions sensors myself, or should I consult a professional?
Can I replace the emissions sensors myself, or should I consult a professional?
While it is possible to replace emissions sensors yourself, it is recommended to consult a professional technician. Proper installation requires specialized tools, such as an OBD-II scanner for diagnostics and a torque wrench for precise tightening. Incorrect installation can lead to sensor damage or improper readings, affecting engine performance and emissions.
Q5 What is the difference between upstream and downstream oxygen sensors in the BMW 330i?
What is the difference between upstream and downstream oxygen sensors in the BMW 330i?
The upstream oxygen sensor (pre-catalytic converter) monitors the air-fuel ratio before exhaust gases enter the catalytic converter. The downstream oxygen sensor (post-catalytic converter) measures the efficiency of the catalytic converter by analyzing the exhaust gases after treatment. Both sensors are critical for maintaining optimal emissions control.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW Emissions System Overview
Coming SoonA detailed guide to the emissions control system in the 2012-2018 BMW 330i, including sensor locations and functions.
Oxygen Sensor Replacement Guide
Coming SoonStep-by-step instructions for replacing the oxygen sensors in the BMW 330i, including torque specifications and safety precautions.
Diagnosing Emissions Sensor Faults
Coming SoonLearn how to diagnose common emissions sensor issues using an OBD-II scanner and interpret diagnostic trouble codes (DTCs).
NOx Sensor Maintenance Tips
Coming SoonBest practices for maintaining and extending the lifespan of the NOx sensor in your BMW 330i.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.