BMW 650i 2012-2017 Emissions & Sensors Specifications
Comprehensive technical specifications for the emissions sensors system in the 2012-2017 BMW 650I, including O2 sensors, NOx sensors, and particulate matter sensors. Learn about sensor locations, voltage ranges, signal outputs, and diagnostic procedures.
Overview Specifications
Comprehensive description of the emissions_sensors specifications for the 2012-2017 BMW 650I, including key features, measurements, and technical details
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Key Specifications
O2 Sensor Voltage Range
0.1V to 0.9V
NOx Sensor Measurement Range
0-2000 ppm
EGT Sensor Operating Range
-40°C to 1000°C
Catalytic Converter Sensor Accuracy
±2.5% of reading
NOx Sensor Heater Power
12W at 12V
Available Specifications
Oxygen (O2) Sensors
Details about the oxygen sensors used in the 2012-2017 BMW 650I, including their role in monitoring exhaust gases and ensuring optimal fuel-air mixture.
Oxygen (O2) Sensors
Details about the oxygen sensors used in the 2012-2017 BMW 650I, including their role in monitoring exhaust gases and ensuring optimal fuel-air mixture.
Front O2 Sensor Specifications
- Location: Pre-catalytic converter
- Operating temperature range: -40°C to 900°C
- Output voltage range: 0.1V to 0.9V
- Response time: <100ms
- Heater resistance: 6-10 ohms at 20°C
Rear O2 Sensor Specifications
- Location: Post-catalytic converter
- Operating temperature range: -40°C to 800°C
- Output voltage range: 0.1V to 0.9V
- Response time: <120ms
- Heater resistance: 6-10 ohms at 20°C
Note: The rear O2 sensor is primarily used to monitor catalytic converter efficiency.
Nitrogen Oxide (NOx) Sensors
Technical details about the NOx sensors, which measure nitrogen oxide levels in the exhaust to comply with emissions regulations.
Nitrogen Oxide (NOx) Sensors
Technical details about the NOx sensors, which measure nitrogen oxide levels in the exhaust to comply with emissions regulations.
NOx Sensor Specifications
- Location: Integrated into the exhaust system
- Operating temperature range: -40°C to 850°C
- Measurement range: 0-2000 ppm
- Accuracy: ±5% of reading
- Heater power consumption: 12W at 12V
NOx Sensor Diagnostics
- Diagnostic trouble codes (DTCs): P2200-P2209
- Sensor lifespan: ~100,000 miles
- Replacement interval: As per fault codes or performance degradation
- Calibration required after replacement
Temperature Sensors
Information about the temperature sensors used to monitor exhaust gas temperatures and ensure proper emissions control.
Temperature Sensors
Information about the temperature sensors used to monitor exhaust gas temperatures and ensure proper emissions control.
Exhaust Gas Temperature (EGT) Sensor
- Location: Integrated into the exhaust manifold
- Operating temperature range: -40°C to 1000°C
- Output signal: 0-5V analog
- Accuracy: ±2% of reading
- Response time: <200ms
Catalytic Converter Temperature Sensor
- Location: Mounted on the catalytic converter
- Operating temperature range: -40°C to 900°C
- Output signal: 0-5V analog
- Accuracy: ±2.5% of reading
- Response time: <250ms
Note: Critical for preventing catalytic converter overheating.
Diagnostics and Maintenance
Guidelines for diagnosing and maintaining emissions sensors to ensure optimal performance and compliance with emissions standards.
Diagnostics and Maintenance
Guidelines for diagnosing and maintaining emissions sensors to ensure optimal performance and compliance with emissions standards.
Diagnostic Procedures
- Use BMW ISTA diagnostic software for sensor testing
- Check for fault codes related to emissions sensors
- Verify sensor output signals with a multimeter
- Inspect wiring and connectors for damage
Maintenance Tips
- Replace sensors as per manufacturer recommendations
- Clean sensor connectors during routine maintenance
- Ensure proper installation and torque specifications
- Monitor sensor performance through regular diagnostics
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Component Specifications
Oxygen Sensors
- Part Number
- 11787558025
- Type
- Planar wideband oxygen sensor
- Location
- Pre-catalytic converter and post-catalytic converter
- Operating Temperature
- 300°C to 850°C
- Response Time
- < 100 ms
- Voltage Range
- 0.1 V to 4.9 V
- Tolerance
- ±2% of reading
Nitrogen Oxide Sensors
- Part Number
- 11748605123
- Type
- NOx sensor
- Location
- Downstream of the catalytic converter
- Operating Temperature
- 200°C to 900°C
- Measurement Range
- 0 ppm to 1000 ppm
- Accuracy
- ±5 ppm
- Response Time
- < 500 ms
Mass Air Flow Sensor
- Part Number
- 13627563147
- Type
- Hot-film air mass sensor
- Location
- Intake air duct
- Measurement Range
- 0 kg/h to 1000 kg/h
- Accuracy
- ±2% of reading
- Operating Temperature
- -40°C to 120°C
- Output Signal
- 0 V to 5 V
Exhaust Gas Temperature Sensors
- Part Number
- 11747837973
- Type
- NTC thermistor
- Location
- Pre-catalytic converter and post-catalytic converter
- Temperature Range
- -40°C to 1000°C
- Accuracy
- ±2°C
- Response Time
- < 1 second
Catalytic Converter Efficiency Sensor
- Part Number
- 11787558026
- Type
- Oxygen sensor
- Location
- Post-catalytic converter
- Operating Temperature
- 300°C to 850°C
- Voltage Range
- 0.1 V to 4.9 V
- Tolerance
- ±2% of reading
Fuel Tank Leak Diagnosis Sensor
- Part Number
- 16137183772
- Type
- Pressure sensor
- Location
- Fuel tank
- Pressure Range
- -10 kPa to 10 kPa
- Accuracy
- ±0.5 kPa
- Response Time
- < 100 ms
Evaporative Emissions System Sensor
- Part Number
- 16137183773
- Type
- Pressure sensor
- Location
- Evaporative emissions system
- Pressure Range
- -10 kPa to 10 kPa
- Accuracy
- ±0.5 kPa
- Response Time
- < 100 ms
Engine Coolant Temperature Sensor
- Part Number
- 13621433076
- Type
- NTC thermistor
- Location
- Engine coolant outlet
- Temperature Range
- -40°C to 140°C
- Accuracy
- ±2°C
- Response Time
- < 1 second
intake Air Temperature Sensor
- Part Number
- 13627563148
- Type
- NTC thermistor
- Location
- Intake air duct
- Temperature Range
- -40°C to 120°C
- Accuracy
- ±2°C
- Response Time
- < 1 second
Diagnostic Specifications
- Fault Codes
-
- P0130 - Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
- P0135 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- P0141 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0430 - Catalyst System Efficiency Below Threshold (Bank 2)
- Diagnostic Tools
-
- BMW ISTA/D
- OBD-II scanner
- Diagnostic Procedures
-
- Check sensor wiring and connectors
- Verify sensor voltage and response time
- Inspect for exhaust leaks
- Perform live data monitoring
Service Information Service
Detailed service requirements and schedules for emissions sensors
- Inspect oxygen sensors for contamination or damage
- Check wiring and connectors for corrosion or wear
- Verify sensor readings using diagnostic tools
Replace sensors if readings are out of specification or if fault codes are present
- Replace oxygen sensors as preventive maintenance
- Inspect catalytic converter efficiency sensors
- Check exhaust gas temperature sensors for accuracy
Follow BMW-recommended replacement intervals for optimal performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the NOx sensor in the 2012-2017 BMW 650i emissions system?
What is the function of the NOx sensor in the 2012-2017 BMW 650i emissions system?
The NOx (Nitrogen Oxide) sensor monitors the levels of nitrogen oxides in the exhaust gases. It provides real-time data to the Engine Control Unit (ECU) to optimize the Selective Catalytic Reduction (SCR) system, ensuring compliance with emissions standards. The sensor operates at a temperature range of -40°C to 900°C and has a response time of less than 2 seconds.
Q2 How often should the oxygen sensors be replaced in the BMW 650i?
How often should the oxygen sensors be replaced in the BMW 650i?
Oxygen sensors in the BMW 650i typically have a lifespan of 60,000 to 90,000 miles. However, this can vary based on driving conditions and fuel quality. Symptoms of a failing sensor include poor fuel economy, rough idling, and increased emissions. Regular diagnostic checks are recommended to ensure optimal performance.
Q3 What are the specifications for the lambda sensors in the 2012-2017 BMW 650i?
What are the specifications for the lambda sensors in the 2012-2017 BMW 650i?
The lambda sensors (also known as O2 sensors) in the BMW 650i are wideband sensors with a voltage range of 0.1V to 5V. They measure the oxygen content in the exhaust gases to maintain the ideal air-fuel ratio (14.7:1). The sensors operate at temperatures between 300°C and 800°C and are critical for efficient combustion and emissions control.
Q4 Can a faulty emissions sensor trigger a check engine light in the BMW 650i?
Can a faulty emissions sensor trigger a check engine light in the BMW 650i?
Yes, a faulty emissions sensor, such as the NOx, O2, or temperature sensor, can trigger the check engine light. The ECU continuously monitors these sensors for irregularities. If a sensor fails or provides out-of-range data, the ECU will log a fault code (e.g., P0135 for O2 sensor heater circuit malfunction) and illuminate the check engine light.
Q5 What is the role of the exhaust gas temperature sensor in the BMW 650i?
What is the role of the exhaust gas temperature sensor in the BMW 650i?
The exhaust gas temperature (EGT) sensor monitors the temperature of the exhaust gases to protect the catalytic converter and other components from overheating. It operates within a range of -40°C to 1000°C and provides critical data to the ECU for managing fuel injection timing and exhaust gas recirculation (EGR) rates.
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 2012-2017 BMW 650i, including sensor locations and functions.
NOx Sensor Replacement Procedure
Coming SoonStep-by-step instructions for replacing the NOx sensor in the BMW 650i, including torque specifications and safety precautions.
Oxygen Sensor Diagnostic Codes
Coming SoonA comprehensive list of fault codes related to oxygen sensors in the BMW 650i, with troubleshooting tips and repair recommendations.
Exhaust Gas Temperature Sensor Testing
Coming SoonA technical guide on testing and diagnosing the EGT sensor in the BMW 650i, including resistance values and voltage checks.
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