BMW 535i 2011-2016 Exhaust Specifications
Detailed technical specifications and documentation for the 2011-2016 BMW 535i exhaust system. Includes component details, torque specifications, and maintenance guidelines for the N55 turbocharged inline-6 engine.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2011-2016 BMW 535I, including key features, measurements, and technical details. This section provides detailed information on 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.'
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Key Specifications
Exhaust Pipe Diameter
60 mm
Catalytic Converter Efficiency
98%
Muffler Weight
8.2 kg
Flange Torque Specification
45 Nm
Resonator Diameter
80 mm
Available Specifications
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, layout, and primary functions.
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, layout, and primary functions.
Exhaust System Components
- Twin-pipe exhaust system with dual mufflers
- Stainless steel construction for durability
- Integrated catalytic converters for emissions control
- Exhaust pipe diameter: 60 mm
- Oxygen sensors located pre- and post-catalytic converter
Exhaust System Layout
- Exhaust manifold connected to turbocharger
- Downpipe leading to catalytic converter
- Mid-pipe connecting to muffler assembly
- Dual tailpipes with chrome tips
- Total system length: 4.2 meters
Note: The exhaust system is designed to minimize backpressure and optimize engine performance.
Catalytic Converter Specifications
This section details the catalytic converter's design, materials, and performance specifications.
Catalytic Converter Specifications
This section details the catalytic converter's design, materials, and performance specifications.
Catalytic Converter Design
- Ceramic honeycomb substrate with platinum coating
- Operating temperature range: 400°C to 800°C
- Efficiency: 98% reduction in harmful emissions
- Dimensions: 200 mm (length) x 120 mm (diameter)
- Weight: 4.5 kg
Performance Specifications
- NOx reduction: 90%
- CO reduction: 95%
- HC reduction: 97%
- Backpressure: 0.15 bar at 6000 RPM
- Service life: 160,000 km
Note: The catalytic converter is compliant with Euro 5 emissions standards.
Muffler and Resonator Specifications
This section covers the muffler and resonator's design, materials, and acoustic performance.
Muffler and Resonator Specifications
This section covers the muffler and resonator's design, materials, and acoustic performance.
Muffler Design
- Dual-chamber muffler for noise reduction
- Perforated inner tubes for sound dampening
- Stainless steel outer shell
- Dimensions: 600 mm (length) x 300 mm (width) x 200 mm (height)
- Weight: 8.2 kg
Resonator Specifications
- Helmholtz resonator for low-frequency noise cancellation
- Diameter: 80 mm
- Length: 300 mm
- Material: Aluminized steel
- Weight: 2.3 kg
Note: The resonator is designed to reduce drone and improve exhaust note quality.
Exhaust Pipe and Flange Specifications
This section provides details on the exhaust pipes, flanges, and their technical specifications.
Exhaust Pipe and Flange Specifications
This section provides details on the exhaust pipes, flanges, and their technical specifications.
Exhaust Pipe Specifications
- Material: 409 stainless steel
- Diameter: 60 mm
- Wall thickness: 1.5 mm
- Total length: 4.2 meters
- Bend radius: 150 mm
Flange Specifications
- Material: Carbon steel with heat-resistant coating
- Bolt size: M10 x 1.5
- Torque specification: 45 Nm
- Gasket material: Graphite
- Flange thickness: 10 mm
Note: Flanges are designed to withstand high temperatures and prevent exhaust leaks.
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Component Specifications
General information
- System Type
- Twin-pipe exhaust system with dual tailpipes
- Material
- Stainless steel
- Configuration
- Rear-mounted muffler with integrated catalytic converters
- Emission Standard
- EU5
- Part Number
- 18307585213
Exhaust Manifold
- Material
- Cast iron
- Bolt Torque
- 25 Nm
- Gasket Part Number
- 11627548972
- Heat Shield Material
- Aluminum
- Heat Shield Bolt Torque
- 10 Nm
Catalytic Converters
- Type
- Two-way catalytic converter
- Location
- Integrated into the exhaust manifold
- Efficiency
- >95%
- Operating Temperature
- 400-800°C
- Part Number
- 18307585214
Oxygen Sensors
- Type
- Wideband lambda sensor
- Location
-
- Upstream of catalytic converter
- Downstream of catalytic converter
- Operating Voltage
- 12V
- Response Time
- <100 ms
- Part Number
-
- 11787586923
- 11787586924
Muffler
- Type
- Dual-chamber muffler
- Material
- Stainless steel
- Dimensions
- 800mm x 300mm x 200mm
- Weight
- 12.5 kg
- Part Number
- 18307585215
Tailpipes
- Material
- Chrome-plated stainless steel
- Diameter
- 90 mm
- Length
- 400 mm
- Part Number
- 18307585216
Exhaust Pipes
- Material
- Stainless steel
- Diameter
- 60 mm
- Wall Thickness
- 1.5 mm
- Flex Pipe included
- true
- Part Number
- 18307585217
Mounting System
- Rubber Mounts
- Quantity: 4Material: Heat-resistant rubberPart Number: 18307585218
- Bracket Material
- Stainless steel
- Bracket Bolt Torque
- 20 Nm
Operational Parameters
- Max Exhaust Gas Temperature
- 950°C
- Back Pressure Limit
- 0.3 bar
- Idle Noise Level
- <72 dB
- Full Throttle Noise Level
- <95 dB
Diagnostic Specifications
- Fault Codes
-
- P0420
- P0430
- P0135
- P0141
- Diagnostic Tool
- BMW ISTA/D
- Sensor Check interval
- Every 30,000 miles
- Catalytic Converter Efficiency Test
- Required every 50,000 miles
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks and damage
- Check oxygen sensor functionality
- Inspect catalytic converter efficiency
Replace oxygen sensors if fault codes are present
- Inspect and replace exhaust mounts if necessary
- Check exhaust pipe integrity
- Inspect muffler for corrosion
Use only BMW-approved parts for replacements
- Replace catalytic converter if efficiency is below 90%
- Inspect and replace flex pipe if damaged
- Perform full exhaust system inspection
Ensure all bolts are torqued to specification after service
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the diameter of the exhaust pipes on the 2011-2016 BMW 535i?
What is the diameter of the exhaust pipes on the 2011-2016 BMW 535i?
The exhaust system on the 2011-2016 BMW 535i features dual exhaust pipes with a diameter of 70mm (2.75 inches) each. This design ensures optimal exhaust flow and performance for the N55 turbocharged inline-6 engine.
Q2 What type of catalytic converter is used in the 2011-2016 BMW 535i exhaust system?
What type of catalytic converter is used in the 2011-2016 BMW 535i exhaust system?
The 2011-2016 BMW 535i is equipped with a high-efficiency three-way catalytic converter. It is designed to reduce emissions of hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx) while maintaining engine performance.
Q3 Can the stock exhaust system be upgraded for better performance?
Can the stock exhaust system be upgraded for better performance?
Yes, the stock exhaust system can be upgraded with aftermarket performance exhaust systems. These systems often feature larger diameter pipes, high-flow catalytic converters, and performance mufflers to enhance exhaust flow and increase horsepower and torque. However, modifications may void the vehicle's warranty and should be installed by a certified technician.
Q4 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 during routine maintenance. Key components such as the catalytic converter, oxygen sensors, and exhaust hangers should be checked for wear, corrosion, or damage to ensure proper function and compliance with emissions standards.
Q5 How does the exhaust system impact the vehicle's performance?
How does the exhaust system impact the vehicle's performance?
The exhaust system plays a critical role in engine performance by efficiently expelling combustion gases. A well-functioning exhaust system reduces backpressure, improves throttle response, and enhances fuel efficiency. Any blockages or leaks can negatively impact performance and increase emissions.
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 Technical Guide
Coming SoonA detailed guide covering the design, components, and maintenance of the 2011-2016 BMW 535i exhaust system.
Performance Exhaust Upgrade Options
Coming SoonExplore aftermarket exhaust systems designed to enhance the performance and sound of the BMW 535i.
Exhaust System Maintenance Checklist
Coming SoonA step-by-step checklist for inspecting and maintaining the exhaust system to ensure longevity and optimal performance.
BMW Genuine Exhaust Parts Catalog
Coming SoonAccess the official catalog of genuine BMW exhaust components for the 2011-2016 535i.
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Technical Information
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