BMW 535i 2011-2016 Emissions & Sensors Specifications
Comprehensive guide to the emissions sensors system in the 2011-2016 BMW 535i, including detailed specifications, diagnostic information, and maintenance tips for O2 sensors, NOx sensors, and exhaust gas temperature sensors.
Overview Specifications
Comprehensive description of the emissions_sensors specifications for the 2011-2016 BMW 535I, including key features, measurements, and technical details
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Key Specifications
O2 Sensor Heater Resistance
6-8 ohms
NOx Sensor Measurement Range
0-2000 ppm
Exhaust Gas Temperature Range
-40°C to 1000°C
MAF Sensor Measurement Range
0-500 kg/h
Catalytic Converter Temperature Range
-40°C to 950°C
Available Specifications
Oxygen (O2) Sensors
Details about the oxygen sensors used in the 2011-2016 BMW 535I, including their role in monitoring exhaust gas oxygen levels and ensuring optimal fuel-air mixture.
Oxygen (O2) Sensors
Details about the oxygen sensors used in the 2011-2016 BMW 535I, including their role in monitoring exhaust gas oxygen levels and ensuring optimal fuel-air mixture.
Front O2 Sensor Specifications
- Location: Pre-catalytic converter
- Operating temperature range: -40°C to 900°C
- Output signal: 0.1V to 0.9V
- Response time: <100ms
- Heater resistance: 6-8 ohms
Rear O2 Sensor Specifications
- Location: Post-catalytic converter
- Operating temperature range: -40°C to 850°C
- Output signal: 0.1V to 0.9V
- Response time: <120ms
- Heater resistance: 6-8 ohms
Note: The rear O2 sensor is primarily used to monitor catalytic converter efficiency.
Nitrogen Oxide (NOx) Sensors
Technical details about the NOx sensors in the 2011-2016 BMW 535I, which measure nitrogen oxide levels in the exhaust to comply with emissions regulations.
Nitrogen Oxide (NOx) Sensors
Technical details about the NOx sensors in the 2011-2016 BMW 535I, 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 950°C
- Measurement range: 0-2000 ppm
- Accuracy: ±5% of reading
- Heater power consumption: 12W
NOx Sensor Diagnostics
- Fault detection: Integrated self-diagnostic system
- Error codes: Stored in the ECU for retrieval
- Replacement interval: Typically 100,000 miles
- Calibration: Automatic during operation
Note: NOx sensors are critical for meeting Euro 6 emissions standards.
Temperature Sensors
Information about the temperature sensors used in the emissions system of the 2011-2016 BMW 535I, including their role in monitoring exhaust gas and catalytic converter temperatures.
Temperature Sensors
Information about the temperature sensors used in the emissions system of the 2011-2016 BMW 535I, including their role in monitoring exhaust gas and catalytic converter temperatures.
Exhaust Gas Temperature Sensor
- Location: Upstream of the catalytic converter
- Operating range: -40°C to 1000°C
- Output signal: 0.5V to 4.5V
- Accuracy: ±2°C
- Response time: <200ms
Catalytic Converter Temperature Sensor
- Location: Integrated into the catalytic converter
- Operating range: -40°C to 950°C
- Output signal: 0.5V to 4.5V
- Accuracy: ±2°C
- Response time: <200ms
Note: These sensors help prevent overheating and damage to the catalytic converter.
Mass Air Flow (MAF) Sensor
Details about the MAF sensor in the 2011-2016 BMW 535I, which measures the volume and density of air entering the engine for optimal combustion.
Mass Air Flow (MAF) Sensor
Details about the MAF sensor in the 2011-2016 BMW 535I, which measures the volume and density of air entering the engine for optimal combustion.
MAF Sensor Specifications
- Location: Between the air filter and throttle body
- Operating temperature range: -40°C to 120°C
- Output signal: 0-5V
- Measurement range: 0-500 kg/h
- Accuracy: ±2% of reading
MAF Sensor Diagnostics
- Fault detection: Integrated self-diagnostic system
- Error codes: Stored in the ECU for retrieval
- Cleaning interval: Every 30,000 miles
- Replacement interval: Typically 100,000 miles
Note: A faulty MAF sensor can lead to poor fuel economy and increased emissions.
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Component Specifications
Oxygen Sensors
- Part Number
- 11787558025
- Location
- Pre-catalytic converter and post-catalytic converter
- Type
- Zirconia oxygen sensor
- Operating Temperature
- 300°C to 850°C
- Voltage Range
- 0.1V to 0.9V
- Response Time
- Less than 100ms
- Tolerance
- ±0.05V at stoichiometric air-fuel ratio
Nitrogen Oxide Sensors
- Part Number
- 11747833874
- Location
- Integrated into the exhaust system
- Type
- NOx sensor with integrated control unit
- Operating Temperature
- -40°C to 900°C
- Measurement Range
- 0 ppm to 1000 ppm
- Accuracy
- ±5 ppm
- Response Time
- Less than 2 seconds
Mass Air Flow Sensor
- Part Number
- 13627563147
- Location
- Between air filter and throttle body
- Type
- Hot-film air mass sensor
- Measurement Range
- 0 kg/h to 1000 kg/h
- Accuracy
- ±2% of reading
- Operating Temperature
- -40°C to 120°C
- Output Signal
- 0V to 5V
Exhaust Gas Temperature Sensors
- Part Number
- 11747833875
- Location
- Pre-catalytic converter and post-catalytic converter
- Type
- NTC thermistor
- Measurement Range
- -40°C to 1000°C
- Accuracy
- ±5°C
- Response Time
- Less than 10 seconds
Catalytic Converter Efficiency Sensors
- Part Number
- 11787558026
- Location
- Post-catalytic converter
- Type
- Dual oxygen sensor
- Operating Temperature
- 300°C to 850°C
- Voltage Range
- 0.1V to 0.9V
- Response Time
- Less than 100ms
- Tolerance
- ±0.05V at stoichiometric air-fuel ratio
Evaporative Emissions System Sensor
- Part Number
- 13907541793
- Location
- Fuel tank and charcoal canister
- Type
- Pressure sensor
- Measurement Range
- -10 kPa to +10 kPa
- Accuracy
- ±0.1 kPa
- Response Time
- Less than 50ms
Differential Pressure Sensor
- Part Number
- 11747833876
- Location
- Exhaust gas recirculation (EGR) system
- Type
- Piezoresistive sensor
- Measurement Range
- 0 kPa to 500 kPa
- Accuracy
- ±1 kPa
- Response Time
- Less than 20ms
Engine Control Unit Communication
- Protocol
- CAN bus
- Baud Rate
- 500 kbps
- Signal Type
- Digital
- Update Rate
- 10ms
- Error Detection
- CRC checksum
Diagnostic Specifications
- Fault Codes
-
- P0130 - Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
- P0135 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0430 - Catalyst System Efficiency Below Threshold (Bank 2)
- P2201 - NOx Sensor Circuit Range/Performance (Bank 1)
- Diagnostic Tools
-
- BMW ISTA/D
- OBD-II scanner
- Diagnostic Procedures
-
- Check sensor wiring and connectors
- Verify sensor output voltage
- Inspect for exhaust leaks
- Perform live data monitoring
Maintenance Specifications
- inspection Interval
- Every 30,000 miles or 24 months
- Replacement interval
- Every 100,000 miles or 10 years
- Cleaning Procedure
- Not recommended, replace if faulty
- Calibration Requirements
- Self-calibrating, no manual calibration needed
Service Information Service
Detailed service requirements and schedules for emissions sensors
- Inspect oxygen sensors for contamination
- Check NOx sensor connections
- Verify exhaust gas temperature sensor readings
Ensure all sensors are functioning within specified tolerances
- Replace oxygen sensors
- Replace NOx sensors if necessary
- Inspect catalytic converter efficiency sensors
Replace sensors even if no faults are detected to ensure optimal performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the function of the oxygen sensor in the 2011-2016 BMW 535i?
What is the function of the oxygen sensor in the 2011-2016 BMW 535i?
The oxygen sensor, also known as the O2 sensor, monitors the oxygen levels in the exhaust gases. It provides real-time data to the Engine Control Unit (ECU) to optimize the air-fuel mixture for efficient combustion, ensuring compliance with emissions standards.
Q2 How often should the emissions sensors be replaced in a BMW 535i?
How often should the emissions sensors be replaced in a BMW 535i?
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. Always refer to the vehicle's service manual for specific guidance.
Q3 What are the symptoms of a failing NOx sensor in the BMW 535i?
What are the symptoms of a failing NOx sensor in the BMW 535i?
A failing NOx sensor may trigger the Check Engine Light, cause reduced engine performance, increased fuel consumption, or fail an emissions test. Diagnostic trouble codes (DTCs) such as P229F or P2201 may also be stored in the ECU.
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, knowledge of BMW-specific procedures, and access to diagnostic software to reset the ECU.
Q5 What is the voltage range for a properly functioning oxygen sensor in the BMW 535i?
What is the voltage range for a properly functioning oxygen sensor in the BMW 535i?
A properly functioning oxygen sensor should produce a voltage signal between 0.1V (lean mixture) and 0.9V (rich mixture). The sensor should switch between these values rapidly under normal operating conditions.
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 Sensor Replacement Guide
Coming SoonStep-by-step instructions for replacing emissions sensors in the 2011-2016 BMW 535i, including torque specifications and safety precautions.
Diagnosing Emissions Sensor Faults
Coming SoonA detailed guide on diagnosing common emissions sensor issues using BMW-specific diagnostic tools and software.
BMW Genuine Parts Catalog
Coming SoonAccess the official BMW parts catalog to find genuine emissions sensors and related components for the 2011-2016 BMW 535i.
Emissions System Overview
Coming SoonAn overview of the emissions control system in the 2011-2016 BMW 535i, including the role of each sensor and component.
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