BMW 550i 2011-2016 Emissions & Sensors Specifications
Detailed technical guide covering emissions sensor specifications for the 2011-2016 BMW 550i. Includes sensor types, locations, and diagnostic information.
Emissions Sensors Specifications Specifications
This document provides a comprehensive overview of the emissions sensors specifications for the 2011-2016 BMW 550i. It includes detailed technical information, installation guidelines, and maintenance recommendations. Use this guide to understand the functionality and requirements of the emissions sensors in your vehicle. Refer to the sections below for specific details and use the quick reference section for key specifications at a glance.
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To search for specific information, use the search functionality by entering keywords such as 'oxygen sensor', 'MAF sensor', or 'exhaust gas temperature sensor'. This will help you quickly locate relevant sections and details.
Navigate through the sections by scrolling or using the table of contents. Each major section includes subsections with detailed technical points. Use the quick reference section for a concise overview of key specifications.
Key Specifications
Oxygen Sensor Voltage Range
0.1V - 0.9V
MAF Sensor Airflow Range
0 - 1000 kg/h
Oxygen Sensor Response Time
<100ms
MAF Sensor Operating Temperature
-40°C - 125°C
Recommended Replacement Interval
Every 100,000 miles
Available Specifications
Emissions Sensor Overview
This section provides an overview of the emissions sensors installed in the 2011-2016 BMW 550i. It covers the types of sensors, their locations, and their primary functions within the vehicle's emissions control system.
Emissions Sensor Overview
This section provides an overview of the emissions sensors installed in the 2011-2016 BMW 550i. It covers the types of sensors, their locations, and their primary functions within the vehicle's emissions control system.
Oxygen (O2) Sensors
- Measures oxygen levels in the exhaust system
- Provides data to the engine control module (ECM) for fuel mixture adjustment
- Typically located before and after the catalytic converter
- Operates within a voltage range of 0-1V
- Requires periodic cleaning or replacement to maintain accuracy
Mass Airflow (MAF) Sensor
- Monitors the amount of air entering the engine
- Located between the air filter and throttle body
- Sends air volume and temperature data to the ECM
- Operates within a range of 0-5V
- Sensitive to contamination; avoid exposure to cleaners or oils
Technical Specifications
This section details the technical specifications of the emissions sensors, including operating ranges, electrical requirements, and compatibility information.
Technical Specifications
This section details the technical specifications of the emissions sensors, including operating ranges, electrical requirements, and compatibility information.
Oxygen Sensor Specifications
- Voltage range: 0.1V to 0.9V
- Response time: <100ms
- Operating temperature: -40°C to 900°C
- Thread size: M18 x 1.5
- Wiring harness connector: 4-pin
MAF Sensor Specifications
- Airflow range: 0-1000 kg/h
- Power supply: 5V DC
- Signal output: 0-5V
- Operating temperature: -40°C to 125°C
- Connector type: Bosch-type 5-pin
Installation and Maintenance
This section provides guidelines for the installation, calibration, and maintenance of emissions sensors in the 2011-2016 BMW 550i.
Installation and Maintenance
This section provides guidelines for the installation, calibration, and maintenance of emissions sensors in the 2011-2016 BMW 550i.
Replacement Procedures
- Disconnect the battery before starting any sensor replacement
- Use a torque wrench to secure sensors to the specified torque
- Ensure all electrical connectors are clean and securely connected
- Reset the ECM after sensor replacement using a diagnostic tool
- Test drive the vehicle to confirm proper operation
Maintenance Tips
- Inspect sensors every 30,000 miles for contamination or damage
- Avoid using silicone-based cleaners on MAF sensors
- Replace O2 sensors every 100,000 miles or as needed
- Use only OEM or equivalent replacement parts
- Calibrate sensors according to manufacturer guidelines
Troubleshooting Common Issues
This section outlines common issues related to emissions sensors and provides diagnostic steps and solutions.
Troubleshooting Common Issues
This section outlines common issues related to emissions sensors and provides diagnostic steps and solutions.
Faulty Oxygen Sensor
- Symptoms: Poor fuel efficiency, rough idle, decreased power
- Troubleshooting steps: Check for DTCs (e.g., P0130, P0171)
- Solutions: Replace the faulty sensor, clear DTCs, and test drive
- Preventative measures: Avoid contamination from oil or exhaust leaks
- Recommended tools: OBD-II scanner, multimeter
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Component Specifications
Overview
- Type
- Oxygen Sensor
- Configuration
- Planar/Thimble Type
- Platform
- N20/N55 Engine
- Material
- Ceramic/Zirconia
- Location
- Exhaust System
- Manufacturer
- Bosch/Continental
Dimensions
- Diameter
- 18 mm (0.71 in)
- Length
- 75 mm (2.95 in)
- Thread Size
- M18 x 1.5
- Operating Temperature
- -40°C to 900°C (-40°F to 1652°F)
- Response Time
- 100 ms (Oxygen Sensor), 200 ms (NOx Sensor)
- Voltage Range
- 0-1 V (Oxygen Sensor), 0-5 V (NOx Sensor)
Materials
- Sensor Housing
- Stainless Steel
- Sensor Element
- Ceramic/Zirconia
- Tip Protection
- Platinum/Rhodium
- Connector
- Heat-Resistant Plastic
- Wiring
- Shielded Cable
Features
- Sensor Types
-
- Oxygen Sensor
- NOx Sensor
- Temperature Sensor
- Fuel Compatibility
-
- Gasoline
- Communication Protocols
-
- CAN (Controller Area Network)
- LIN (Local Interconnect Network)
- Self Diagnostic Capability
-
- Fault Code Generation
- Sensor Plausibility Checks
- Sensor Heating
-
- Internal Heater Element
- Rapid Light-Off Time
- Emissions Reduction Features
-
- Catalyst Monitoring
- Exhaust Gas Recirculation (EGR)
- Selective Catalytic Reduction (SCR)
Safety Features
- Over Temperature Protection
-
- Thermal Cut-Off
- Overheat Shutdown
- Fault Code Generation
-
- DTC (Diagnostic Trouble Code) Support
- Fail Safe Mode
-
- Default Sensor Value
- Engine Protection Strategy
Comfort Features
- Real Time Monitoring
-
- Exhaust Gas Composition
- Catalyst Efficiency
- Adaptive Learning
-
- Sensor Calibration Adjustment
- Fuel Trim Adaptation
- Low Emission Operation
-
- Emissions Reduction
- Fuel Efficiency Optimization
- Driver Feedback
-
- Malfunction Indicator Light (MIL)
- In-Cabin Notifications
Accessories
- installation Kit
-
- Wiring Harness
- Connector Kit
- Mounting Bracket
- Diagnostic Tools
-
- OBD-II Scanner
- Sensor Calibration Tool
- Wiring Diagram
- Replacement Parts
-
- Oxygen Sensor
- NOx Sensor
- Sensor Harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Sensor Inspection
- Wiring Harness Check
- Connector Cleaning
- Fault Code Clearing
- Sensor Calibration
- Maintenance Notes
-
- Avoid Using Silicone-Based Lubricants
- Ensure Proper Tightening Torque
- Use Genuine Replacement Parts
Warranty
- Parts Warranty
- Miles: 50,000Years: 4Coverage: Parts Replacement
- Labor Warranty
- Miles: 50,000Years: 4Coverage: Labor Costs
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Emissions-Related Repairs
- Extended Warranty
- Miles: 100,000Years: 10Coverage: Extended Service Contracts
Production Details
- Manufacturer info
- Name: Bosch/ContinentalLocation: GermanyCertifications: ISO 9001, IATF 16949
- Manufacturing Process
-
- Sensor Element Production
- Housing Assembly
- Calibration and Testing
- Quality Inspection
- Quality Control
- inspection Checklist: Electrical Continuity, Thermal Response, Leak Testing, Output Voltage AccuracyCertification Process: OE (Original Equipment) Certification, Aftermarket Compliance
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Production
- Low Emission Manufacturing
- Production Metrics
- Annual Production: Over 500,000 unitsFailure Rate: Less than 1%Warranty Claim Rate: Less than 2%
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect oxygen sensor and NOx sensor for contamination
- Check wiring harness and connectors for damage
- Clear any fault codes and test sensor operation
- Perform sensor calibration if necessary
Avoid using silicone-based lubricants during installation
- Clean oxygen sensor and NOx sensor elements
- Inspect and replace worn or damaged connectors
- Check sensor mounting brackets for tightness
- Verify exhaust system for leaks
Use genuine replacement parts for sensors and connectors
- Replace oxygen sensors and NOx sensors
- Inspect and clean or replace the wiring harness
- Perform thorough diagnostic testing
- Check catalyst efficiency and exhaust system performance
Major service recommended by manufacturer specifications
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the emissions sensors in the 2011-2016 BMW 550i?
What are the technical specifications of the emissions sensors in the 2011-2016 BMW 550i?
The emissions sensors in the 2011-2016 BMW 550i include oxygen sensors (Lambda sensors) and exhaust gas temperature sensors. These sensors are designed to work with the N63 V8 engine. The oxygen sensors monitor exhaust gas oxygen levels, while the temperature sensors monitor exhaust gas temperatures to ensure optimal engine performance and emissions control. Compatibility is ensured for models with the N63 engine, and sensors are designed to meet BMW specifications for accuracy and durability.
Q2 What are the maintenance requirements for the emissions sensors?
What are the maintenance requirements for the emissions sensors?
Emissions sensors should be inspected every 30,000 to 50,000 miles. Cleaning is not recommended, as sensors are sensitive to contaminants. Instead, replace sensors if faulty or if error codes indicate malfunction. Use only BMW-approved replacement parts to ensure compatibility and performance. Regularly check sensor connectors for corrosion and ensure proper electrical connections.
Q3 How do I install or replace an emissions sensor?
How do I install or replace an emissions sensor?
To replace an emissions sensor, locate the sensor in the exhaust system. Disconnect the electrical connector and remove the sensor using a wrench or socket. Install the new sensor by hand-tightening it first, then tightening to the specified torque. Reconnect the electrical connector and clear any error codes using a BMW diagnostic tool. Ensure all connections are secure and test drive the vehicle to verify proper function.
Q4 How do I troubleshoot a faulty emissions sensor?
How do I troubleshoot a faulty emissions sensor?
If an emissions sensor is faulty, check for error codes using an OBD-II scanner. Common issues include faulty readings, sensor contamination, or electrical connection problems. Inspect the sensor and its connector for damage or corrosion. Test the sensor's resistance and voltage output using a multimeter. Replace the sensor if it fails testing or shows signs of physical damage. Always use genuine BMW parts for replacement.
Q5 How can I optimize the performance of my emissions sensors?
How can I optimize the performance of my emissions sensors?
To optimize emissions sensor performance, ensure proper engine tuning and maintenance. Regularly service the air filter and fuel system to prevent contaminants from reaching the sensors. Avoid using fuel additives that may damage sensors. Keep the exhaust system clean and free of blockages. Use a BMW-approved diagnostic tool to monitor sensor performance and address any issues promptly. Proper maintenance will ensure accurate sensor readings and optimal engine efficiency.
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 550i Emissions Sensor Service Manual
Coming SoonComprehensive guide for diagnosing and replacing emissions sensors in the 2011-2016 BMW 550i. Includes detailed procedures and specifications.
Technical Service Bulletin - Emissions Sensor Update
Coming SoonOfficial BMW bulletin detailing updates and improvements for emissions sensor functionality in the N63 engine.
BMW Parts Catalog - Emissions Sensors
Coming SoonCatalog of genuine BMW emissions sensors and related components for the 2011-2016 550i model.
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Technical Information
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