BMW 740i 2016-present Emissions & Sensors Specifications
Detailed specifications and information on emissions sensors for the 2016-Present BMW 740i (G11/G12), including maintenance, troubleshooting, and compatibility.
Emissions Sensors Specifications Overview Specifications
This document provides a comprehensive overview of the emissions sensors specifications for the 2016-Present BMW 740i. It includes detailed technical information, maintenance guidelines, and troubleshooting tips. Use this guide to understand the emissions control systems, sensor types, and diagnostic procedures. Navigate through the sections to find specific information, and use the search functionality to quickly locate details.
How to Use
To search for specific information, use the search bar at the top of the document. Enter keywords such as 'O2 sensor' or 'NOx sensor' to find relevant sections. Use filters to narrow down results by category or subsection.
Navigate through the document by clicking on the major sections listed in the table of contents. Each section includes subsections with detailed technical specifications and guidelines. Use the breadcrumbs at the top of each section to return to the main menu.
Key Specifications
Emissions Standard
Euro 6
O2 Sensor Type
Wide-band
NOx Sensor Location
Downstream of catalytic converter
Sensor Communication
CAN bus
Max Operating Temperature
1000°C
Available Specifications
Emissions Control Systems
This section provides an overview of the emissions control systems in the 2016-Present BMW 740i, including the role of emissions sensors in reducing pollutants. Learn about the integration of sensors with the engine management system and their contribution to compliance with emissions standards.
Emissions Control Systems
This section provides an overview of the emissions control systems in the 2016-Present BMW 740i, including the role of emissions sensors in reducing pollutants. Learn about the integration of sensors with the engine management system and their contribution to compliance with emissions standards.
Emissions Control System Overview
- The BMW 740i features advanced emissions control systems to minimize environmental impact.
- Emissions sensors are integral to the engine management system, providing real-time data for optimal performance.
- The system includes oxygen sensors, NOx sensors, and temperature sensors.
- Sensors communicate with the Engine Control Module (ECM) to adjust fuel injection and emissions reduction strategies.
- The system is designed to meet Euro 6 emissions standards.
Emissions Sensors Technical Specifications
This section details the technical specifications of the emissions sensors used in the 2016-Present BMW 740i. Find information on sensor types, operating parameters, and diagnostic capabilities.
Emissions Sensors Technical Specifications
This section details the technical specifications of the emissions sensors used in the 2016-Present BMW 740i. Find information on sensor types, operating parameters, and diagnostic capabilities.
Oxygen (O2) Sensors
- Wide-band oxygen sensors are used for precise measurement of exhaust gas oxygen levels.
- Located in the exhaust system, both upstream and downstream of the catalytic converter.
- Operates within a temperature range of -40°C to 900°C.
- Response time: <100ms for accurate real-time feedback.
- Voltage range: 0-1.0V, corresponding to oxygen levels from lean to rich mixtures.
NOx Sensors
- NOx sensors measure nitrogen oxide emissions in the exhaust gas.
- Installed downstream of the catalytic converter to monitor emissions after treatment.
- Operating temperature range: 300°C to 800°C.
- Sensor output provides feedback for selective catalytic reduction (SCR) systems.
- Self-diagnostic capability with fault codes for malfunction detection.
Temperature Sensors
- Exhaust gas temperature sensors monitor temperatures in the exhaust system.
- Used to protect the catalytic converter and SCR system from overheating.
- NTC (Negative Temperature Coefficient) type sensors for accurate temperature measurement.
- Response time: <50ms for rapid temperature detection.
- Operating range: 0°C to 1000°C.
Emissions Sensors Maintenance and Troubleshooting
This section provides guidelines for maintaining and troubleshooting emissions sensors in the 2016-Present BMW 740i. Learn about best practices for sensor care, common issues, and diagnostic procedures.
Emissions Sensors Maintenance and Troubleshooting
This section provides guidelines for maintaining and troubleshooting emissions sensors in the 2016-Present BMW 740i. Learn about best practices for sensor care, common issues, and diagnostic procedures.
Maintenance Best Practices
- Avoid exposure of sensors to harsh chemicals or cleaning agents.
- Do not touch sensor elements during installation or handling.
- Ensure proper wiring connections to prevent signal interference.
- Replace sensors only with OEM or equivalent aftermarket parts.
- Use a scan tool to clear fault codes after sensor replacement.
Common Issues and Troubleshooting
- Faulty sensor readings may trigger the MIL (Malfunction Indicator Lamp).
- Contamination of sensor elements can cause inaccurate measurements.
- Check for soot buildup on sensors, especially in high-mileage vehicles.
- Intermittent faults may indicate loose connections or wiring issues.
- Use a scan tool to retrieve specific fault codes for diagnosis.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Lambda and NOx sensors
- Configuration
- Dual sensor setup
- Platform
- BMW N63/S63 engine
- Material
- Ceramic with platinum tips
- Location
- Exhaust system before and after catalytic converter
- Manufacturer
- Bosch
Dimensions
- Length
- 4.5 inches (11.43 cm)
- Width
- 1.2 inches (3.05 cm)
- Height
- 2.0 inches (5.08 cm)
- Thread Diameter
- 0.75 inches (19.05 mm)
- Operating Temperature
- 500°F to 1200°F (260°C to 649°C)
- Power Consumption
- 12V DC, 0.05A
- Response Time
- 100ms
Materials
- Sensing Element
- Ceramic with platinum electrodes
- Housing
- Stainless steel
- Connector
- Heat-resistant plastic
- Wiring
- High-temperature Teflon insulated
Features
- Emission Monitoring
-
- Oxygen (O2) level monitoring
- Nitrogen oxides (NOx) measurement
- Exhaust gas temperature sensing
- Catalytic converter efficiency monitoring
- Particulate matter (PM) detection
- Communication
-
- CAN bus integration
- Fault code generation (DTC)
- Real-time data output
- Compatibility with BMW iDrive
- Environmental Resistance
-
- High-temperature resistance
- Vibration damping
- Corrosion protection
- Water and dust ingress protection
- Diagnostic Capabilities
-
- Self-diagnostic testing
- Sensor health monitoring
- Data logging
- Pre-heating function
Safety Features
- Fault Detection
-
- Sensor failure detection
- Wiring harness integrity check
- Heater circuit monitoring
- Over Temperature Protection
- Thermal cut-off at 1200°F (649°C)
- Error Code Generation
- DTC codes for faults
- Fail Safe Mode
- Engine power reduction
Comfort Features
- Real Time Monitoring
- Live emissions data via iDrive
- Silent Operation
- No noise during operation
- Low Maintenance
- Long service intervals
- Compatibility
- Works with BMW ConnectedDrive
Accessories
- installation Kit
-
- Mounting gasket
- Wiring harness connector
- Thread sealant
- Calibration Tool
-
- BMW ISTA/D diagnostic tool
- Sensor calibration software
- Maintenance Kit
-
- Cleaning solution
- Inspection checklist
- Replacement O-ring set
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Sensor inspection
- Connector cleaning
- Wiring harness check
- Heater function test
- Fault code clearing
- Maintenance Notes
- Replace sensors if contaminated or faulty
Warranty
- Basic
- Miles: 50000Years: 4Coverage: Parts and labor
- Extended
- Miles: 100000Years: 6Coverage: Parts and labor
- Maintenance
- Miles: 36000Years: 3Coverage: Maintenance services
- Accessories
- Miles: 50000Years: 4Coverage: Accessories only
Production Details
- Manufacturer info
- Name: BoschLocation: GermanyCertifications: ISO 9001, IATF 16949
- Manufacturing Process
-
- Precision ceramic element fabrication
- High-temperature metalization
- Automated assembly and testing
- Laser welding of housing
- Quality Control
- initial Testing: Electrical and thermal testsEnvironmental Testing: Vibration and temperature cyclingFinal Inspection: Visual and functional checks
- Sustainability Practices
- Recyclable materials, energy-efficient production
- Production Metrics
- Annual Production: 500000 unitsFailure Rate: <1%WarrantyClaims: <2%
Service Information for emissions_sensors Service
Maintenance and service requirements specific to emissions sensors
- Inspect emissions sensor connectors
- Check for fault codes
- Clean sensor tips if necessary
- Verify sensor response time
- Check wiring harness integrity
Use BMW-approved cleaning solutions only
- Perform detailed sensor inspection
- Check catalytic converter efficiency
- Test heater circuit resistance
- Inspect exhaust system for leaks
- Update sensor calibration if needed
Requires BMW ISTA/D diagnostics tool
- Replace emissions sensors if faulty
- Inspect and clean sensor elements
- Check O2 sensor cross-count
- Perform full system diagnostics
- Reset service indicator
Recommended to replace sensors at this interval for optimal performance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the emissions sensors in the 2016-Present BMW 740i?
What are the technical specifications of the emissions sensors in the 2016-Present BMW 740i?
The emissions sensors in the 2016-Present BMW 740i include oxygen sensors, NOx sensors, and exhaust gas temperature sensors. These sensors are designed to work with the N63/N63TU engines, operating within a temperature range of -40°C to 900°C. They are compatible with BMW's xDrive all-wheel-drive system and integrate with the DME (Digital Motor Electronics) control unit for precise emissions monitoring and fuel injection optimization.
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. Replace oxygen sensors every 100,000 miles or when fault codes indicate degradation. NOx sensors should be replaced every 50,000 to 80,000 miles, depending on driving conditions. Always use BMW-approved replacement parts for optimal performance.
Q3 How do I install or replace an emissions sensor?
How do I install or replace an emissions sensor?
1. Disconnect the battery and ensure the engine is cool. 2. Locate the sensor in the exhaust system. 3. Disconnect the electrical connector and remove the mounting bracket. 4. Remove the old sensor and install the new one, ensuring proper seating. 5. Reconnect the electrical connector and secure the bracket. 6. Reconnect the battery and clear any fault codes using a BMW-compatible scan tool.
Q4 How do I troubleshoot common issues with emissions sensors?
How do I troubleshoot common issues with emissions sensors?
Check for fault codes using a scan tool. Common issues include faulty wiring, contaminated sensors, or loose connections. Inspect the sensor for physical damage or soot buildup. Clean the electrical connector with a soft brush and ensure proper grounding. If issues persist, replace the sensor with a BMW-approved unit and reset the system using a scan tool.
Q5 How can I optimize the performance of my emissions sensors?
How can I optimize the performance of my emissions sensors?
Regularly inspect and maintain your emissions system to ensure optimal performance. Use high-quality fuel to reduce contaminants. Avoid aggressive driving that can overload the system. Keep the exhaust system clean and free of blockages. Use BMW-recommended sensors and follow the scheduled maintenance plan to ensure accurate emissions monitoring and engine performance.
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 740i Emissions System Service Manual
Coming SoonComprehensive guide covering emissions sensor installation, maintenance, and troubleshooting procedures.
Technical Service Bulletin: Emissions Sensor Updates
Coming SoonDetails updates and improvements for emissions sensors in 2016-Present BMW 740i models.
BMW Genuine Parts Catalog: Emissions Sensors
Coming SoonList of genuine BMW emissions sensors and accessories for the 740i model range.
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.