BMW M3 2007-2013 Emissions & Sensors Specifications
BMW M3 2007-2013

BMW M3 2007-2013 Emissions & Sensors Specifications

Detailed technical specifications for the emissions sensors system in the 2007-2013 BMW M3, including O2 sensors, NOx sensors, and exhaust gas temperature sensors. Learn about their integration with the DME system and diagnostic procedures.

Updated

Overview Specifications

Comprehensive description of the emissions_sensors specifications for the 2007-2013 BMW M3, including key features, measurements, and technical details. This section covers the design, functionality, and technical specifications of the emissions sensors, ensuring optimal performance and compliance with emissions standards.

How to Use

Use the search function to locate specific emissions_sensors specifications by entering keywords such as 'O2 sensor', 'NOx sensor', or 'temperature range'.

Navigate through the emissions_sensors documentation by clicking on the section headers or using the table of contents to jump to specific topics.

Key Specifications

O2 Sensor Operating Temperature

-40°C to 900°C

NOx Sensor Measurement Range

0 ppm to 1000 ppm

EGT Sensor Response Time

< 50ms

Catalytic Converter Temperature Range

-40°C to 950°C

O2 Sensor Replacement Interval

100,000 miles

Available Specifications

Oxygen (O2) Sensors

Details on the oxygen sensors used in the 2007-2013 BMW M3, including their role in monitoring exhaust gases and ensuring optimal fuel-air mixture.

Front O2 Sensor Specifications
  • Location: Installed in the exhaust manifold
  • Operating temperature range: -40°C to 900°C
  • Output signal: 0.1V to 0.9V (lean to rich mixture)
  • Response time: < 100ms
  • Replacement interval: 100,000 miles or as needed
Rear O2 Sensor Specifications
  • Location: Installed downstream of the catalytic converter
  • Operating temperature range: -40°C to 800°C
  • Output signal: 0.1V to 0.9V (lean to rich mixture)
  • Response time: < 120ms
  • Replacement interval: 100,000 miles or as needed

Note: Rear O2 sensors are primarily used for monitoring catalytic converter efficiency.

Nitrogen Oxide (NOx) Sensors

Technical details on the NOx sensors, which monitor nitrogen oxide levels in the exhaust to ensure compliance with emissions regulations.

NOx Sensor Specifications
  • Location: Installed in the exhaust system after the catalytic converter
  • Operating temperature range: -40°C to 850°C
  • Measurement range: 0 ppm to 1000 ppm NOx
  • Accuracy: ±5% of reading
  • Replacement interval: 150,000 miles or as needed
NOx Sensor Calibration
  • Calibration required after sensor replacement
  • Calibration procedure: Performed via BMW diagnostic software
  • Calibration time: Approximately 10 minutes
  • Calibration accuracy: ±2% of reading

Note: Improper calibration can lead to incorrect NOx readings and trigger fault codes.

Temperature Sensors

Information on the temperature sensors used to monitor exhaust gas temperatures, ensuring optimal performance and preventing overheating.

Exhaust Gas Temperature (EGT) Sensor Specifications
  • Location: Installed in the exhaust manifold
  • Operating temperature range: -40°C to 1000°C
  • Output signal: 0V to 5V (linear to temperature)
  • Response time: < 50ms
  • Replacement interval: 100,000 miles or as needed
Catalytic Converter Temperature Sensor
  • Location: Installed on the catalytic converter
  • Operating temperature range: -40°C to 950°C
  • Output signal: 0V to 5V (linear to temperature)
  • Response time: < 60ms
  • Replacement interval: 100,000 miles or as needed

Note: Critical for preventing catalytic converter damage due to overheating.

Diagnostics and Fault Codes

Details on the diagnostic capabilities of the emissions sensors and common fault codes related to their operation.

Common Fault Codes
  • P0130: O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
  • P0141: O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
  • P2201: NOx Sensor Circuit Range/Performance (Bank 1)
  • P0420: Catalyst System Efficiency Below Threshold
Diagnostic Procedures
  • Use BMW diagnostic software for fault code reading
  • Perform live data monitoring to verify sensor operation
  • Check wiring and connectors for damage or corrosion
  • Replace faulty sensors as needed

Note: Always clear fault codes after repairs and verify proper sensor operation.

Component Specifications

Oxygen Sensors

Type
Wideband zirconia oxygen sensor
Location
  • Pre-catalytic converter
  • Post-catalytic converter
Part Numbers
Pre Cat: 11787558025
Post Cat: 11787558026
Operating Temperature
300°C to 850°C
Response Time
Less than 100 ms
Voltage Range
0.1V to 1.0V
Tolerance
±2% of reading

Nitrogen Oxide Sensors

Type
NOx sensor
Location
Downstream of catalytic converter
Part Number
11787558027
Operating Temperature
200°C to 900°C
Measurement Range
0 ppm to 1000 ppm
Accuracy
±5 ppm
Response Time
Less than 500 ms

Mass Air Flow Sensor

Type
Hot-film air mass sensor
Part Number
13627558028
Measurement Range
0 kg/h to 600 kg/h
Accuracy
±2% of reading
Operating Temperature
-40°C to 120°C
Output Signal
0V to 5V

Exhaust Gas Temperature Sensors

Type
Thermocouple-based sensor
Location
  • Pre-catalytic converter
  • Post-catalytic converter
Part Numbers
Pre Cat: 11787558029
Post Cat: 11787558030
Measurement Range
-40°C to 1000°C
Accuracy
±5°C
Response Time
Less than 1 second

Catalytic Converter Efficiency Sensors

Type
Oxygen storage capacity sensor
Location
Integrated within catalytic converter
Part Number
11787558031
Operating Temperature
300°C to 800°C
Measurement Range
0% to 100% efficiency
Accuracy
±3%
Response Time
Less than 200 ms

Evaporative Emissions System Sensor

Type
Fuel tank pressure sensor
Part Number
11787558032
Measurement Range
-10 kPa to +10 kPa
Accuracy
±0.5 kPa
Operating Temperature
-40°C to 85°C
Output Signal
0.5V to 4.5V

Engine Coolant Temperature Sensor

Type
NTC thermistor
Part Number
13627558033
Measurement Range
-40°C to 140°C
Accuracy
±2°C
Response Time
Less than 10 seconds
Output Signal
0V to 5V

intake Air Temperature Sensor

Type
NTC thermistor
Part Number
13627558034
Measurement Range
-40°C to 120°C
Accuracy
±2°C
Response Time
Less than 5 seconds
Output Signal
0V to 5V

Throttle Position Sensor

Type
Potentiometer-based sensor
Part Number
13627558035
Measurement Range
0% to 100% throttle opening
Accuracy
±1%
Operating Temperature
-40°C to 120°C
Output Signal
0.5V to 4.5V

Diagnostic Specifications

Fault Codes
P0130: O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
P0135: O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0141: O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0420: Catalyst System Efficiency Below Threshold
P0430: Catalyst System Efficiency Below Threshold (Bank 2)
Diagnostic Tools
  • BMW ISTA
  • OBD-II scanner
Diagnostic Procedures
  • Check sensor voltage and resistance
  • Inspect wiring and connectors
  • Perform live data analysis

Service Information Service

Detailed service requirements and schedules for emissions sensors

Every 30,000 miles
24 months
  • Inspect oxygen sensors for contamination
  • Check wiring and connectors for damage
  • Verify sensor output signals

Replace sensors if output is out of specification

Every 60,000 miles
48 months
  • Replace oxygen sensors
  • Inspect catalytic converter efficiency
  • Check NOx sensor functionality

Follow BMW-recommended replacement intervals

Every 100,000 miles
84 months
  • Replace NOx sensor
  • Inspect exhaust gas temperature sensors
  • Check evaporative emissions system sensor

Perform full emissions system diagnostic

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the function of the oxygen sensor in the 2007-2013 BMW M3 emissions system?

The oxygen sensor, also known as the 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 and reduced emissions. The M3 uses a wideband zirconia sensor with a response time of less than 100 milliseconds.

Q2

How often should the emissions sensors be replaced on a 2007-2013 BMW M3?

BMW recommends inspecting the emissions sensors every 30,000 miles and replacing them if they show signs of failure or degradation. The typical lifespan of an O2 sensor is 60,000 to 90,000 miles, but this can vary based on driving conditions and fuel quality.

Q3

What are the symptoms of a failing NOx sensor in the BMW M3?

A failing NOx sensor may trigger the Check Engine Light (CEL) and cause error codes such as P229F or P2201. Symptoms include reduced engine performance, increased fuel consumption, and higher emissions. The NOx sensor operates at temperatures up to 800°C and is critical for meeting Euro 5 emissions standards.

Q4

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 O2 sensor socket, and knowledge of the ECU calibration process. Incorrect installation can lead to engine damage or void the vehicle's warranty.

Q5

What is the voltage range for a properly functioning O2 sensor in the BMW M3?

A properly functioning O2 sensor should produce a voltage between 0.1V (lean mixture) and 0.9V (rich mixture). The sensor should switch between these values rapidly during normal operation. A steady voltage outside this range indicates a faulty sensor.

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 M3 Emissions System Technical Guide

Coming Soon

A detailed guide covering the emissions system components, including sensors, ECU integration, and troubleshooting procedures.

O2 Sensor Replacement Procedure

Coming Soon

Step-by-step instructions for replacing the oxygen sensor on a 2007-2013 BMW M3, including torque specifications and safety precautions.

NOx Sensor Diagnostics and Repair

Coming Soon

Learn how to diagnose and repair NOx sensor issues, including common error codes and calibration tips.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine emissions sensors and related components for your M3.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

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
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 BMW Specs. All rights reserved.