BMW 535i 2017-present Exhaust Specifications
Comprehensive technical guide for the 2017-Present BMW 535I exhaust system, including detailed specifications, maintenance tips, and troubleshooting for the exhaust manifold, catalytic converter, muffler, and tailpipe.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2017-Present BMW 535I, including key features, measurements, and technical details. This section provides detailed insights into the exhaust system's design, components, and performance specifications.
How to Use
Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter', 'muffler', or 'exhaust pipe diameter'.
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Key Specifications
Exhaust Pipe Diameter
70 mm
Backpressure
<1.5 psi
Catalytic Converter Temperature
Up to 900°C
Exhaust Flow Rate
450 CFM
Emissions Standard
Euro 6
Available Specifications
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, materials, and general layout.
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, materials, and general layout.
Exhaust System Components
- Twin-pipe exhaust system with dual tailpipes
- Stainless steel construction for durability and corrosion resistance
- Integrated catalytic converters for emissions control
- Resonator and muffler for noise reduction
- Exhaust gas temperature sensors for monitoring
Exhaust System Layout
- Front-mounted catalytic converters for optimal emissions control
- Mid-section resonator for sound tuning
- Rear-mounted muffler for noise reduction
- Exhaust pipes with a diameter of 70 mm
- Dual tailpipes with chrome-plated tips
Note: The exhaust system is designed to minimize backpressure and optimize engine performance.
Exhaust System Materials
This section details the materials used in the construction of the exhaust system and their properties.
Exhaust System Materials
This section details the materials used in the construction of the exhaust system and their properties.
Material Specifications
- Stainless steel exhaust pipes with a thickness of 1.5 mm
- High-temperature resistant ceramic catalytic converters
- Aluminized steel muffler for heat resistance
- Chrome-plated tailpipes for aesthetic appeal
- Rubber hangers with reinforced steel brackets
Material Properties
- Stainless steel provides excellent corrosion resistance and durability
- Ceramic catalytic converters withstand temperatures up to 900°C
- Aluminized steel offers superior heat dissipation
- Chrome plating enhances appearance and resists tarnishing
- Rubber hangers reduce vibration and noise transmission
Note: The materials are selected to ensure longevity and performance under extreme conditions.
Exhaust System Performance
This section covers the performance characteristics of the exhaust system, including flow rates, backpressure, and emissions.
Exhaust System Performance
This section covers the performance characteristics of the exhaust system, including flow rates, backpressure, and emissions.
Flow and Backpressure
- Exhaust flow rate of 450 CFM (cubic feet per minute)
- Backpressure maintained below 1.5 psi
- Optimized pipe diameter for efficient gas flow
- Low-restriction muffler design
- Balanced resonator for smooth exhaust flow
Emissions and Compliance
- Meets Euro 6 emissions standards
- Catalytic converters reduce CO emissions by 95%
- NOx emissions reduced by 90%
- OBD-II compliant for emissions monitoring
- Designed for low particulate matter output
Note: The exhaust system is engineered to meet stringent global emissions regulations.
Maintenance and Service
This section provides guidelines for maintaining and servicing the exhaust system to ensure optimal performance.
Maintenance and Service
This section provides guidelines for maintaining and servicing the exhaust system to ensure optimal performance.
Routine Maintenance
- Inspect exhaust system for leaks every 15,000 miles
- Check hangers and brackets for wear and tear
- Clean chrome tailpipes to prevent corrosion
- Monitor exhaust gas temperature sensors
- Replace catalytic converters every 100,000 miles
Service Procedures
- Use torque wrench to tighten exhaust clamps to 25 Nm
- Replace gaskets during exhaust component replacement
- Inspect and clean oxygen sensors every 30,000 miles
- Check for exhaust system alignment after service
- Use OEM parts for replacements to ensure compatibility
Note: Regular maintenance is essential to prevent performance degradation and ensure compliance with emissions standards.
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Component Specifications
General Specifications
- System Type
- Twin-pipe exhaust system with dual tailpipes
- Material
- Stainless steel
- Weight
- 22.5 kg
- Compliance
- Euro 6 emissions standard
Exhaust Manifold
- Material
- Cast iron
- Part Number
- 11627586945
- Bolt Torque
- 25 Nm + 90°
- Gasket Part Number
- 11627586946
- Heat Shield Material
- Aluminized steel
Catalytic Converter
- Type
- Three-way catalytic converter
- Part Number
- 18307586947
- Efficiency
- >98%
- Operating Temperature
- 400-800°C
- Replacement interval
- 120,000 miles
Oxygen Sensors
- Upstream Sensor Part Number
- 11787586948
- Downstream Sensor Part Number
- 11787586949
- Operating Voltage
- 0.1-0.9 V
- Response Time
- <100 ms
- Replacement interval
- 100,000 miles
Muffler
- Type
- Dual-chamber muffler
- Part Number
- 18107586950
- Material
- Stainless steel
- Noise Reduction
- 25 dB
- Mounting Bolt Torque
- 40 Nm
Exhaust Pipes
- Diameter
- 70 mm
- Material
- Stainless steel
- Wall Thickness
- 1.5 mm
- Flex Pipe Part Number
- 18107586951
- Clamp Torque
- 15 Nm
Exhaust Tips
- Material
- Chrome-plated stainless steel
- Diameter
- 90 mm
- Part Number
- 18107586952
- Mounting Bolt Torque
- 10 Nm
Heat Shields
- Material
- Aluminized steel
- Thickness
- 1.2 mm
- Part Number
- 18107586953
- Mounting Bolt Torque
- 8 Nm
Emission Control
- System Type
- Exhaust Gas Recirculation (EGR) with Diesel Particulate Filter (DPF)
- Egr Valve Part Number
- 11787586954
- Dpf Part Number
- 18307586955
- Regeneration Temperature
- 600°C
- Replacement interval
- 150,000 miles
Diagnostic Specifications
- Error Codes
-
- P0420
- P0430
- P0171
- P0174
- Diagnostic Tool
- BMW ISTA
- Sensor Check interval
- Every 30,000 miles
- Emission Test interval
- Every 24 months
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks
- Check oxygen sensor functionality
- Inspect catalytic converter for damage
Ensure all bolts and clamps are tightened to specified torque
- Replace oxygen sensors
- Inspect and clean EGR valve
- Check DPF for clogging
Use OEM parts for replacements
- Replace catalytic converter
- Inspect and replace exhaust gaskets
- Check muffler and pipes for corrosion
Perform emission test after replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration for the 2017-Present BMW 535i?
What is the exhaust system configuration for the 2017-Present BMW 535i?
The 2017-Present BMW 535i features a dual exhaust system with a single turbocharger. The system includes a catalytic converter, resonator, and muffler, with stainless steel piping measuring 2.5 inches in diameter. The exhaust tips are chrome-plated and measure 3.0 inches in diameter.
Q2 What type of catalytic converter is used in the BMW 535i exhaust system?
What type of catalytic converter is used in the BMW 535i exhaust system?
The BMW 535i uses a high-efficiency three-way catalytic converter with a ceramic monolith substrate. It is designed to reduce emissions of CO, NOx, and hydrocarbons, meeting Euro 6 and EPA Tier 3 emissions standards.
Q3 What is the recommended service interval for the exhaust system?
What is the recommended service interval for the exhaust system?
BMW recommends inspecting the exhaust system every 30,000 miles or 24 months, whichever comes first. This includes checking for leaks, corrosion, and ensuring all mounting points and hangers are secure. Replacement of components like the catalytic converter or muffler should only be done if damage or excessive wear is detected.
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 the warranty on related components, such as the engine or emissions system, if the modification is found to cause damage or non-compliance with emissions regulations. Always consult your BMW dealer before making modifications.
Q5 What is the backpressure specification for the BMW 535i exhaust system?
What is the backpressure specification for the BMW 535i exhaust system?
The backpressure in the BMW 535i exhaust system should not exceed 1.5 psi at idle and 3.0 psi at 3,000 RPM. Excessive backpressure can indicate a blockage or restriction, such as a clogged catalytic converter or damaged muffler.
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 535i Exhaust System Service Manual
Coming SoonOfficial BMW service manual detailing exhaust system maintenance, repair procedures, and specifications for the 2017-Present 535i.
Exhaust System Inspection Checklist
Coming SoonA comprehensive checklist for inspecting the exhaust system, including visual checks, pressure tests, and component replacement guidelines.
Genuine BMW Exhaust Parts Catalog
Coming SoonCatalog of genuine BMW exhaust components, including part numbers, pricing, and compatibility information for the 535i.
Emissions Compliance Guide
Coming SoonDetailed guide on maintaining emissions compliance for the BMW 535i, including information on catalytic converters and exhaust system modifications.
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