BMW M4 2021-present Emissions & Sensors Specifications
Discover the emissions sensors specifications for the 2021-Present BMW M4. Learn about sensor types, locations, and functions. Ideal for technicians, DIY enthusiasts, and researchers.
Emissions Sensors Specifications Specifications
This document provides a comprehensive overview of the emissions sensors specifications for the 2021-Present BMW M4. It includes detailed technical information, operating parameters, and guidelines for understanding and maintaining the emissions control systems. Use this document to reference key specifications, understand sensor functionality, and navigate through the emissions control system components.
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Key Specifications
Emissions Standard
Euro 6d
CO2 Emissions (WLTP)
203-214 g/km
Fuel Economy (WLTP)
8.8-9.1 l/100km
Particulate Filter Efficiency
>95%
Catalytic Converter Efficiency
>90%
Available Specifications
Engine Emissions Control
This section details the emissions control systems integrated into the BMW M4's engine. It covers sensor types, operating parameters, and technical specifications for the engine's emissions reduction systems.
Engine Emissions Control
This section details the emissions control systems integrated into the BMW M4's engine. It covers sensor types, operating parameters, and technical specifications for the engine's emissions reduction systems.
Fuel Injection System Sensors
- High-pressure fuel injection system with piezoelectric injectors
- Fuel pressure sensor monitors fuel pressure up to 350 bar
- Fuel temperature sensor integrated into the fuel rail
- Injectors operate at 12-hole spray pattern for optimal combustion
- Fuel injection system meets Euro 6d emissions standards
Exhaust Gas Recirculation (EGR) System
- EGR valve with integrated position sensor
- EGR temperature sensor monitors exhaust gas temperature
- EGR system reduces NOx emissions by up to 50%
- EGR cooler integrated with bypass function for optimal performance
- EGR system operates in conjunction with DPF and catalytic converters
Catalytic Converter and DPF
This section provides specifications for the catalytic converter and diesel particulate filter (DPF) systems, including sensor inputs and operating conditions.
Catalytic Converter and DPF
This section provides specifications for the catalytic converter and diesel particulate filter (DPF) systems, including sensor inputs and operating conditions.
Catalytic Converter Specifications
- Dual-scroll turbocharger with integrated catalytic converters
- Catalytic converters meet Euro 6d emissions standards
- Lambda sensors (pre and post catalyst) for precise air-fuel ratio control
- Catalytic converter operating temperature range: 300°C to 800°C
- Catalytic converter efficiency: >90% for HC, CO, and NOx
Diesel Particulate Filter (DPF)
- DPF system reduces particulate emissions by >95%
- DPF temperature sensor monitors soot loading and regeneration
- DPF regeneration occurs at 400°C to 600°C
- DPF pressure sensor measures backpressure for system control
- DPF maintenance interval: 120,000 km or 5 years
Emissions Monitoring Systems
This section details the emissions monitoring systems, including OBD-II compliance and sensor diagnostics.
Emissions Monitoring Systems
This section details the emissions monitoring systems, including OBD-II compliance and sensor diagnostics.
On-Board Diagnostics (OBD-II)
- OBD-II system monitors emissions system performance
- Real-time data available for emissions sensors and actuators
- Fault codes stored for diagnostics and repair
- OBD-II port located under the dashboard for access
- Compliant with Euro 6d and EPA emissions standards
Sensor Diagnostics
- Self-diagnostic capability for emissions sensors
- Fault detection for lambda sensors, EGR sensors, and DPF sensors
- Diagnostic trouble codes (DTCs) displayed via iDrive system
- Service indicator lights alert driver to emissions system issues
- Diagnostic data accessible via BMW ISTA/D tool
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Component Specifications
Overview
- Type
- Broadband AFR (Air-Fuel Ratio) Sensor
- Configuration
- Dual sensor setup for precise measurement
- Platform
- BMW G82/G83 (M4)
- Material
- High-temperature-resistant ceramic with platinum tips
- Location
- Exhaust manifold, both banks
Dimensions
- Length
- 75 mm
- Width
- 25 mm
- Height
- 40 mm
- Thread Diameter
- M18x1.5
- Sensor Tip Protrusion
- 10 mm
- Wiring Harness Length
- 1200 mm (47.24 in)
- Mass
- 250 grams (8.82 oz)
Materials
- Sensor Element
- Ceramic with platinum electrode
- Housing
- Stainless steel
- Connector
- Waterproof rubber
- Wiring
- Copper core with heat-resistant insulation
Features
- Performance Monitoring
-
- Air-Fuel Ratio (AFR) measurement
- Oxygen concentration monitoring
- Exhaust gas temperature sensing
- Catalyst efficiency monitoring
- Emissions control feedback
- Reliability Features
-
- Self-diagnostic capability
- Heated sensor for quick light-off
- Antifouling coating
- Waterproof and dustproof design
- System integration
-
- CAN bus communication
- Fault code generation
- Compatibility with BMW iDrive system
- Real-time data transmission
- Precision Measurement
-
- Wide measurement range
- High accuracy (±1% AE)
- Fast response time (<100 ms)
- Low cross-sensitivity to other gases
- Environmental Adaptability
-
- Operating temperature range (-40°C to 1000°C)
- IP67 rating for water and dust resistance
- Vibration resistance up to 10G
Safety Features
- Diagnostic Alerts
-
- OBD-II fault code generation
- Malfunction Indicator Light (MIL) activation
- Freeze frame data capture
- Protection Features
-
- Overvoltage protection
- Reverse polarity protection
- Contamination protection
- Thermal overload protection
- System Shutdown Procedures
-
- Fuel trim adjustment
- Cylinder bank shutdown
- Limp home mode activation
Comfort Features
- Automatic Monitoring
-
- Real-time emissions monitoring
- Automatic system calibration
- Adaptive learning capability
- Driver Feedback
-
- Eco mode activation
- Fuel efficiency optimization
- Performance mode compatibility
- Convenience integration
-
- Smartphone app connectivity
- Service reminder notifications
- Remote diagnostics capability
- Environmental Benefits
-
- Reduced emissions output
- Improved fuel efficiency
- Compliance with emissions standards
Accessories
- installation Kit
-
- Wiring harness adapter
- Mounting bracket
- Thread sealant
- Electrical connector
- Maintenance Tools
-
- Sensor cleaning solution
- Thread chaser
- Torque wrench
- Diagnostic scanner
- Replacement Parts
-
- Sensor element replacement kit
- Wiring harness replacement
- Connector replacement
- Housing gasket set
Maintenance
- Service interval
- Every 15,000 miles (24,140 km) or 12 months
- Maintenance Items
-
- Sensor cleaning
- Wiring harness inspection
- Connector tightness check
- Fault code clearing
- Software update if required
- Replacement interval
- Every 50,000 miles (80,470 km) or 5 years
- Notes
- Avoid using harsh chemicals. Use BMW-approved cleaning solutions only.
Warranty
- Emissions Warranty
- Miles: 150,000 milesYears: 15 yearsCoverage: Catalytic converter and emissions sensors
- Parts Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Replacement parts and labor
- Labor Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Labor costs for repairs
- Extended Warranty
- Miles: 100,000 milesYears: 7 yearsCoverage: Extended coverage for emissions-related components
Production Details
- Manufacturer
- Continental AG
- Manufacturing Process
-
- Precision ceramic element manufacturing
- Platinum electrode application
- High-temperature housing assembly
- Advanced wiring harness construction
- Quality Control
- inspection: 100% bench testingCertification: ISO 9001:2015Standards Compliance: Euro 6d emissions standard
- Sustainability Practices
-
- Recyclable materials
- Low energy manufacturing process
- Eco-friendly packaging
- Production Metrics
- Annual Production: 1,000,000 unitsFailure Rate: <1%Mtbf: Mean Time Before Failure: 15 years
Service Information for emissions_sensors Service
Maintenance and service requirements specific to this component
- Inspect emissions sensor wiring harness
- Check sensor connector for tightness
- Clean emissions sensor element
- Scan for fault codes
- Update sensor software if available
Use BMW-approved cleaning solutions only. Avoid physical damage to sensor elements.
- Replace emissions sensor if faulty
- Inspect catalyst for efficiency
- Check exhaust system for leaks
- Perform emissions system test
- Reset service indicator
Recommended to use genuine BMW parts for replacement.
- Major emissions sensor overhaul
- Replace wiring harness if damaged
- Inspect and clean sensor connectors
- Perform full emissions system diagnostics
- Check for software updates
Special tools required for sensor recalibration. Consult BMW service manual.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the emissions sensors in the 2021-Present BMW M4?
What are the technical specifications of the emissions sensors in the 2021-Present BMW M4?
The emissions sensors in the 2021-Present BMW M4 include oxygen sensors, NOx sensors, and particulate matter sensors. These sensors are designed to meet strict emissions standards and are compatible with the S58 engine. The oxygen sensors operate within a temperature range of -40°C to 900°C and are manufactured to BMW Group standards. The NOx sensors are equipped with advanced heuristic logic to detect and reduce nitrogen oxide emissions effectively.
Q2 What are the maintenance requirements for the emissions sensors?
What are the maintenance requirements for the emissions sensors?
Regular maintenance for emissions sensors involves checking for contamination, ensuring proper electrical connections, and verifying sensor calibration. It is recommended to have the sensors inspected every 15,000 to 30,000 miles or as part of routine service intervals. Avoid exposure to contaminants like silicon-based sealants or fuel additives, which can damage the sensors. Use only BMW-approved cleaning products if necessary.
Q3 How do I install or replace an emissions sensor?
How do I install or replace an emissions sensor?
To replace an emissions sensor, start by gathering the necessary tools, including a torque wrench and new sensor. Locate the sensor along the exhaust system, disconnect the electrical connector, and remove the mounting bolt. Install the new sensor by reversing the steps, ensuring it is securely fastened and the connector is properly seated. Clear any fault codes using a BMW-specific diagnostic tool and test drive the vehicle to confirm proper operation.
Q4 How do I troubleshoot common issues with the emissions sensors?
How do I troubleshoot common issues with the emissions sensors?
Common issues include faulty readings, contamination, or electrical faults. Check for diagnostic trouble codes using an OBD-II scanner. Symptoms like poor engine performance or reduced fuel efficiency may indicate a malfunction. Inspect the sensor for physical damage or contamination. Clean the sensor if necessary, but avoid using harsh chemicals. If issues persist, replace the sensor and reset the system using a BMW diagnostic tool.
Q5 How can I optimize the performance of the emissions sensors?
How can I optimize the performance of the emissions sensors?
Optimize performance by ensuring the sensors are clean and free from contaminants. Avoid aggressive driving patterns that may cause excessive heat buildup. Use high-quality fuel that meets BMW's specifications to minimize deposits. Regularly update the vehicle's software to ensure compatibility with the emissions system. Consider consulting a BMW specialist for advanced tuning or calibration.
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 M4 Emissions Sensor Service Manual
Coming SoonDetailed guide covering installation, maintenance, and troubleshooting of emissions sensors in the 2021-Present BMW M4.
Technical Bulletin: Emissions Sensor Updates
Coming SoonOfficial BMW technical bulletin addressing software updates and improvements for emissions sensor functionality.
BMW Parts Catalog for Emissions Sensors
Coming SoonComprehensive list of emissions sensor parts and accessories for the 2021-Present BMW M4.
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