BMW M5 2005-2010 Exhaust Specifications
Detailed technical specifications and documentation for the 2005-2010 BMW M5 exhaust system. Learn about exhaust components, materials, dimensions, and performance for the S85 V10 engine.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2005-2010 BMW M5, including key features, measurements, and technical details. This section covers the exhaust system's design, materials, performance characteristics, and maintenance requirements.
How to Use
Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter,' 'muffler,' or 'exhaust diameter.'
Navigate through the exhaust documentation sections using the table of contents or by scrolling through the major sections and subsections.
Key Specifications
Exhaust Diameter
70 mm
Catalytic Converter Count
4
Exhaust Weight
42 kg
Backpressure
0.8 psi
Sound Pressure Level
85 dB
Available Specifications
Exhaust System Design
Details about the design and layout of the exhaust system, including component placement and integration with the vehicle's drivetrain.
Exhaust System Design
Details about the design and layout of the exhaust system, including component placement and integration with the vehicle's drivetrain.
Exhaust Layout
- Dual exhaust system with quad tailpipes
- Stainless steel construction for durability
- Optimized for the S85 V10 engine's high-revving nature
- Integrated X-pipe for improved exhaust flow and sound tuning
- Total length of exhaust system: 4.2 meters (approx.)
Component Integration
- Two primary catalytic converters per bank
- Secondary catalytic converters for emissions compliance
- Resonators and mufflers for sound attenuation
- Exhaust tips with chrome finish for aesthetic appeal
- Exhaust hangers made of heat-resistant rubber
Note: The X-pipe design reduces backpressure and enhances exhaust note.
Exhaust Materials and Construction
Information about the materials used in the exhaust system and their construction methods.
Exhaust Materials and Construction
Information about the materials used in the exhaust system and their construction methods.
Material Specifications
- Primary material: T304 stainless steel
- Wall thickness: 1.5 mm for pipes
- Heat shields made of aluminized steel
- Exhaust tips: polished stainless steel
- Weight of the complete exhaust system: 42 kg (approx.)
Construction Details
- Mandrel-bent pipes for smooth airflow
- TIG welding for high-strength joints
- Ceramic-coated catalytic converters for heat management
- Precision-engineered flanges for secure connections
- Vibration-dampening mounts for noise reduction
Note: The T304 stainless steel provides excellent corrosion resistance.
Performance and Sound Characteristics
Technical details about the exhaust system's performance and sound tuning.
Performance and Sound Characteristics
Technical details about the exhaust system's performance and sound tuning.
Performance Specifications
- Backpressure: 0.8 psi at 8000 RPM
- Exhaust gas temperature: up to 900°C under load
- Flow rate: 450 CFM (cubic feet per minute)
- Designed to support 507 HP output
- Emissions compliance: Euro 4 standards
Sound Tuning
- Active exhaust valves for adjustable sound levels
- Resonance frequency: 120 Hz at idle
- Sound pressure level: 85 dB at full throttle
- Deep, sporty exhaust note under acceleration
- Quiet operation during cruising
Note: The active exhaust valves are controlled by the vehicle's ECU.
Maintenance and Service
Guidelines for maintaining and servicing the exhaust system.
Maintenance and Service
Guidelines for maintaining and servicing the exhaust system.
Routine Maintenance
- Inspect exhaust hangers every 20,000 km
- Check for leaks at joints and flanges
- Clean exhaust tips to prevent corrosion
- Inspect catalytic converters for damage
- Replace gaskets every 60,000 km
Common Issues
- Cracked welds due to thermal stress
- Corrosion at pipe joints in harsh climates
- Rattling caused by loose heat shields
- Reduced performance due to clogged catalytic converters
- Excessive noise from damaged mufflers
Note: Regular inspections can prevent costly repairs.
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Component Specifications
General Specifications
- Material
- Stainless steel
- System Type
- Dual exhaust with quad tips
- Configuration
- Rear-mounted
- Weight
- Approximately 45 kg
- Compliance
- EU4 emissions standards
Exhaust Manifold
- Material
- Cast iron
- Part Number
- 11627548045
- Bolt Torque
- 25 Nm
- Gasket Material
- Graphite
- Heat Shield Material
- Aluminized steel
Catalytic Converters
- Type
- Two-way catalytic converter
- Part Number
- 18307548047
- Efficiency
- >95%
- Operating Temperature
- 400-800°C
- Replacement interval
- 120,000 miles
Resonators
- Material
- Stainless steel
- Part Number
- 18107548049
- Diameter
- 76 mm
- Length
- 450 mm
- Function
- Reduces exhaust drone and noise
Mufflers
- Material
- Stainless steel
- Part Number
- 18107548051
- Diameter
- 89 mm
- Length
- 600 mm
- Sound Level
- 85 dB at 3000 RPM
Exhaust Tips
- Material
- Chrome-plated stainless steel
- Part Number
- 18107548053
- Diameter
- 90 mm
- Length
- 150 mm
- Style
- Quad oval tips
Exhaust Pipes
- Material
- Stainless steel
- Diameter
- 70 mm
- Wall Thickness
- 1.5 mm
- Bend Radius
- 150 mm
- Corrosion Resistance
- Salt spray test >1000 hours
Mounting System
- Hanger Material
- Rubber with steel core
- Part Number
- 18107548055
- Bolt Torque
- 20 Nm
- Vibration Damping
- >90%
- Alignment Tolerance
- ±2 mm
Operational Parameters
- Max Exhaust Gas Temperature
- 950°C
- Back Pressure Limit
- 0.3 bar
- Flow Rate
- 450 CFM
- Idle Sound Level
- 72 dB
- Full Throttle Sound Level
- 95 dB
Diagnostic Specifications
- OBD2 Monitoring
- Catalyst efficiency, oxygen sensors
- Fault Codes
-
- P0420
- P0430
- P0135
- P0141
- inspection Interval
- Every 30,000 miles
- Sensor Type
- Wideband oxygen sensors
- Sensor Part Number
- 11787548057
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks
- Check mounting hardware for tightness
- Inspect catalytic converter efficiency
Ensure all bolts are torqued to specification
- Replace oxygen sensors
- Inspect and clean exhaust tips
- Check resonator and muffler for corrosion
Use OEM parts for replacements
- Replace catalytic converters
- Inspect and replace exhaust hangers if necessary
- Perform full exhaust system alignment check
Follow BMW torque specifications for all components
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration on the 2005-2010 BMW M5?
What is the exhaust system configuration on the 2005-2010 BMW M5?
The 2005-2010 BMW M5 features a dual exhaust system with two independent exhaust pipes, each equipped with a muffler and catalytic converter. The system is designed to optimize exhaust flow and reduce backpressure, enhancing performance. The exhaust pipes are made of stainless steel with a diameter of 70mm.
Q2 What type of catalytic converter is used in the BMW M5 exhaust system?
What type of catalytic converter is used in the BMW M5 exhaust system?
The BMW M5 uses high-flow metallic catalytic converters with a 400-cell count per square inch. These converters are designed to meet strict emissions standards while minimizing exhaust restriction, ensuring optimal engine performance and efficiency.
Q3 What is the exhaust backpressure specification for the BMW M5?
What is the exhaust backpressure specification for the BMW M5?
The exhaust backpressure for the 2005-2010 BMW M5 should not exceed 0.25 bar (3.63 psi) at full throttle. Excessive backpressure can indicate a blockage or malfunction in the exhaust system, which may require inspection or replacement of components.
Q4 Can aftermarket exhaust systems affect the BMW M5's performance?
Can aftermarket exhaust systems affect the BMW M5's performance?
Yes, aftermarket exhaust systems can impact performance. Non-genuine or poorly designed systems may alter exhaust flow, backpressure, and emissions compliance, potentially reducing engine efficiency or voiding the vehicle's warranty. Always use BMW-approved or high-quality aftermarket systems designed specifically for the M5.
Q5 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 proper mounting. Replace worn or damaged components, such as gaskets or hangers, as needed to maintain system integrity.
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 M5 Exhaust System Technical Guide
Coming SoonA detailed guide covering the design, components, and maintenance of the BMW M5 exhaust system, including torque specifications and installation procedures.
Catalytic Converter Replacement Instructions
Coming SoonStep-by-step instructions for replacing the catalytic converter on a 2005-2010 BMW M5, including safety precautions and required tools.
Exhaust Backpressure Testing Procedure
Coming SoonA technical resource explaining how to measure exhaust backpressure on the BMW M5 and interpret the results to diagnose potential issues.
BMW Genuine Exhaust Parts Catalog
Coming SoonAn official catalog of genuine BMW exhaust components for the 2005-2010 M5, including part numbers and compatibility information.
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