BMW 430i 2017-present Exhaust Specifications
Detailed technical specifications for the 2017-Present BMW 430I exhaust system, including components, materials, and performance data. Ideal for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2017-Present BMW 430I, including key features, measurements, and technical details. This section provides detailed insights into the exhaust system's design, components, and performance specifications.
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Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter,' 'muffler,' or 'exhaust pipe diameter.'
Navigate through the exhaust documentation sections using the table of contents or by scrolling through the major sections and subsections.
Key Specifications
Exhaust Pipe Diameter
60 mm
Backpressure at Full Load
1.2 psi
CO2 Emissions
149 g/km
Catalytic Converter Weight
8.5 kg
Exhaust System Length
3.2 meters
Available Specifications
Exhaust System Overview
This section provides an overview of the BMW 430I's exhaust system, including its design, materials, and key components.
Exhaust System Overview
This section provides an overview of the BMW 430I's exhaust system, including its design, materials, and key components.
Exhaust System Design
- Dual exhaust system with chrome-plated tailpipes
- Stainless steel construction for durability and corrosion resistance
- Optimized for reduced backpressure and improved performance
- Integrated catalytic converters for emissions compliance
Key Components
- Primary and secondary catalytic converters
- Resonator and muffler for noise reduction
- Exhaust pipes with a diameter of 60 mm
- Oxygen sensors for real-time emissions monitoring
Note: The exhaust system is designed to meet Euro 6 emissions standards.
Exhaust Performance Specifications
This section details the performance-related specifications of the BMW 430I's exhaust system, including flow rates, backpressure, and emissions data.
Exhaust Performance Specifications
This section details the performance-related specifications of the BMW 430I's exhaust system, including flow rates, backpressure, and emissions data.
Flow and Backpressure
- Maximum exhaust gas flow rate: 450 CFM (cubic feet per minute)
- Backpressure at full load: 1.2 psi (pounds per square inch)
- Optimized for minimal restriction and maximum power output
- Designed to support the 2.0L turbocharged engine's performance
Emissions Data
- CO2 emissions: 149 g/km
- NOx emissions: 0.03 g/km
- Particulate matter emissions: 0.001 g/km
- Compliant with Euro 6 emissions standards
Note: Emissions data is based on standardized testing conditions.
Exhaust Maintenance and Service
This section covers maintenance requirements, service intervals, and common issues related to the BMW 430I's exhaust system.
Exhaust Maintenance and Service
This section covers maintenance requirements, service intervals, and common issues related to the BMW 430I's exhaust system.
Maintenance Intervals
- Inspect exhaust system every 15,000 miles or 12 months
- Replace oxygen sensors every 60,000 miles
- Check for leaks and corrosion during routine service
- Replace catalytic converters as needed (typically 100,000+ miles)
Common Issues
- Rust or corrosion in harsh climates
- Cracked or damaged exhaust manifolds
- Failed oxygen sensors causing check engine light
- Excessive noise due to muffler or resonator damage
Note: Regular inspections can prevent costly repairs.
Exhaust System Dimensions
This section provides detailed measurements and dimensions for the BMW 430I's exhaust system components.
Exhaust System Dimensions
This section provides detailed measurements and dimensions for the BMW 430I's exhaust system components.
Exhaust Pipe Dimensions
- Main exhaust pipe diameter: 60 mm
- Tailpipe diameter: 80 mm
- Total exhaust system length: 3.2 meters
- Bend radius for exhaust pipes: 150 mm
Catalytic Converter Dimensions
- Primary catalytic converter length: 300 mm
- Secondary catalytic converter length: 250 mm
- Catalytic converter diameter: 120 mm
- Weight of catalytic converters: 8.5 kg combined
Note: Dimensions may vary slightly depending on manufacturing tolerances.
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Component Specifications
General Specifications
- Material
- Stainless Steel
- System Type
- Dual Exhaust
- Configuration
- Twin-Pipe
- Emission Standard
- Euro 6
- Part Number
- 18307650210
Exhaust Manifold
- Material
- Cast Iron
- Bolt Torque
- 25 Nm
- Gasket Part Number
- 11627586972
- Heat Shield Part Number
- 11627586973
- Notes
- Ensure proper alignment during installation to avoid leaks.
Catalytic Converter
- Type
- Three-Way Catalytic Converter
- Material
- Ceramic Substrate
- Efficiency
- >95%
- Part Number
- 18307546679
- Operating Temperature
- 400-800°C
- Notes
- Monitor for clogging or damage to maintain emission standards.
Muffler
- Material
- Stainless Steel
- Dimensions
- 600mm x 300mm x 200mm
- Part Number
- 18307650211
- Weight
- 8.5 kg
- Notes
- Inspect for corrosion or internal baffle damage during service.
Exhaust Pipes
- Diameter
- 70 mm
- Material
- Stainless Steel
- Wall Thickness
- 1.5 mm
- Flex Pipe Part Number
- 18307650212
- Notes
- Check for cracks or leaks, especially at joints and bends.
Oxygen Sensors
- Type
- Wideband Zirconia Sensor
- Part Number
- 11787586974
- Location
- Pre-Catalytic and Post-Catalytic
- Operating Voltage
- 0.1-0.9 V
- Notes
- Replace if response time exceeds 100 ms or if fault codes are present.
Exhaust Mounts
- Material
- Rubber with Steel Inserts
- Part Number
- 18307650213
- Quantity
- 4
- Notes
- Inspect for wear or cracking, especially in high-temperature areas.
Exhaust Tips
- Material
- Chrome-Plated Stainless Steel
- Diameter
- 90 mm
- Part Number
- 18307650214
- Notes
- Ensure proper alignment and secure attachment to avoid vibration.
Emission Control
- System Type
- EGR with SCR
- Adblue Tank Capacity
- 10 liters
- Adblue Part Number
- 83192468461
- Notes
- Regularly check AdBlue levels and refill as needed to avoid system shutdown.
Diagnostic Specifications
- Fault Codes
-
- P0420
- P0430
- P0135
- P0141
- Diagnostic Tool
- BMW ISTA
- Notes
- Use ISTA for accurate fault code reading and system diagnostics.
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks or damage
- Check oxygen sensor functionality
- Verify catalytic converter efficiency
Perform visual and functional checks during routine maintenance.
- Replace oxygen sensors
- Inspect and replace exhaust mounts if necessary
- Check AdBlue system for proper operation
Follow BMW-recommended replacement intervals for critical components.
- Inspect and replace catalytic converter if necessary
- Check entire exhaust system for corrosion or structural damage
- Replace exhaust gaskets and seals
High-mileage vehicles may require more frequent inspections and replacements.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration for the 2017-Present BMW 430i?
What is the exhaust system configuration for the 2017-Present BMW 430i?
The 2017-Present BMW 430i features a dual exhaust system with a single turbocharger. The system includes a stainless steel exhaust manifold, a catalytic converter, and dual tailpipes with a diameter of 70mm each. The exhaust is designed to optimize performance and reduce backpressure.
Q2 What type of catalytic converter is used in the BMW 430i exhaust system?
What type of catalytic converter is used in the BMW 430i exhaust system?
The BMW 430i uses a three-way catalytic converter with a ceramic monolith substrate. It is designed to reduce harmful emissions by converting carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx) into less harmful gases. The converter operates at an efficiency of over 95% under optimal conditions.
Q3 What is the recommended maintenance schedule for the exhaust system?
What is the recommended maintenance schedule for the exhaust system?
BMW recommends inspecting the exhaust system every 30,000 miles or 24 months, whichever comes first. Key checks include inspecting for leaks, corrosion, and ensuring all mounting brackets and hangers are secure. The catalytic converter should also be checked for proper function during routine emissions testing.
Q4 Can aftermarket exhaust systems affect the vehicle's warranty?
Can aftermarket exhaust systems affect the vehicle's warranty?
Yes, installing an aftermarket exhaust system may void certain aspects of the vehicle's warranty, particularly if the modification causes damage to other components or affects emissions compliance. Always consult your BMW dealership or warranty documentation before making modifications.
Q5 What is the exhaust backpressure specification for the BMW 430i?
What is the exhaust backpressure specification for the BMW 430i?
The exhaust backpressure for the BMW 430i should not exceed 0.5 psi (3.45 kPa) at idle and 2.0 psi (13.79 kPa) at 2,500 RPM. Excessive backpressure can indicate a blockage or malfunction in the exhaust system, such as a clogged catalytic converter.
Q6 Are there any specific safety precautions when servicing the exhaust system?
Are there any specific safety precautions when servicing the exhaust system?
Yes, always allow the exhaust system to cool before servicing to avoid burns. Use proper lifting equipment to support the vehicle securely. Avoid inhaling exhaust fumes, as they contain carbon monoxide, which is toxic. Wear protective gloves and eyewear when handling exhaust components.
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 430i Exhaust System Technical Guide
Coming SoonA detailed guide covering the design, components, and maintenance procedures for the BMW 430i exhaust system.
Catalytic Converter Replacement Procedure
Coming SoonStep-by-step instructions for replacing the catalytic converter on the BMW 430i, including torque specifications and safety precautions.
Exhaust System Troubleshooting Manual
Coming SoonA troubleshooting manual for diagnosing common exhaust system issues such as leaks, rattles, and performance degradation.
BMW Genuine Exhaust Parts Catalog
Coming SoonAn official catalog of genuine BMW exhaust components, including part numbers and compatibility information.
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