BMW 530i 2003-2010 Exhaust Specifications
Detailed technical specifications for the exhaust system of the 2003-2010 BMW 530I, including OEM part details, torque values, and emissions compliance. Ideal for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2003-2010 BMW 530I, including key features, measurements, and technical details. This section provides detailed information on the exhaust system's components, materials, dimensions, and performance characteristics.
How to Use
Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter', 'muffler', or 'exhaust pipe diameter'.
Navigate through the documentation sections using the table of contents or by scrolling through the major sections labeled 'Exhaust System Components', 'Exhaust Pipe Specifications', 'Catalytic Converter Details', and 'Muffler and Tailpipe Specifications'.
Key Specifications
Exhaust Pipe Diameter
50mm (primary), 60mm (secondary)
Catalytic Converter Efficiency
>95%
Muffler Weight
8.5kg
Tailpipe Diameter
70mm
Operating Temperature Range
-40°C to 900°C
Available Specifications
Exhaust System Components
This section covers the primary components of the exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe.
Exhaust System Components
This section covers the primary components of the exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe.
Exhaust Manifold
- Material: Cast iron with heat-resistant coating
- Number of runners: 6
- Flange connection type: 3-bolt flange
- Operating temperature range: -40°C to 900°C
Catalytic Converter
- Type: Two-stage ceramic monolith
- Dimensions: 300mm length x 120mm diameter
- Efficiency: >95% reduction of CO, HC, and NOx emissions
- Operating temperature: 400°C to 800°C
Note: Ensure the catalytic converter is not exposed to temperatures exceeding 900°C to prevent damage.
Exhaust Pipe Specifications
This section provides detailed measurements and specifications for the exhaust pipes, including diameter, material, and routing.
Exhaust Pipe Specifications
This section provides detailed measurements and specifications for the exhaust pipes, including diameter, material, and routing.
Primary Exhaust Pipe
- Material: Stainless steel (409 grade)
- Diameter: 50mm
- Wall thickness: 1.5mm
- Routing: From exhaust manifold to catalytic converter
Secondary Exhaust Pipe
- Material: Stainless steel (409 grade)
- Diameter: 60mm
- Wall thickness: 1.5mm
- Routing: From catalytic converter to muffler
Catalytic Converter Details
This section delves into the technical specifications and performance characteristics of the catalytic converter.
Catalytic Converter Details
This section delves into the technical specifications and performance characteristics of the catalytic converter.
Catalytic Converter Core
- Material: Ceramic substrate with platinum-rhodium coating
- Cell density: 400 cells per square inch
- Volume: 1.2 liters
- Backpressure: <0.5 psi at 3000 RPM
Oxygen Sensor Integration
- Number of oxygen sensors: 2 (pre- and post-catalyst)
- Sensor type: Wideband zirconia
- Operating voltage: 0.1V to 0.9V
- Response time: <100ms
Note: Ensure oxygen sensors are properly calibrated for accurate emissions control.
Muffler and Tailpipe Specifications
This section covers the muffler and tailpipe, including dimensions, materials, and acoustic performance.
Muffler and Tailpipe Specifications
This section covers the muffler and tailpipe, including dimensions, materials, and acoustic performance.
Muffler
- Material: Aluminized steel
- Dimensions: 600mm length x 200mm width x 150mm height
- Internal baffle design: Perforated tube with sound-absorbing material
- Weight: 8.5kg
Tailpipe
- Material: Stainless steel (304 grade)
- Diameter: 70mm
- Length: 400mm
- Tip design: Dual-wall, chrome-plated
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Component Specifications
General Specifications
- Material
- Stainless steel
- System Type
- Dual exhaust with catalytic converters
- Emission Standard
- EU4 compliant
- Part Number
- 18307548061
- Weight
- 22.5 kg
Exhaust Manifold
- Material
- Cast iron
- Bolt Torque
- 25 Nm
- Gasket Part Number
- 11621437327
- Heat Shield Part Number
- 11621437328
- Notes
- Ensure proper alignment during installation to avoid leaks
Catalytic Converter
- Type
- Three-way catalytic converter
- Part Number
- 18307548062
- Efficiency
- >95%
- Operating Temperature
- 400-800°C
- Replacement interval
- 120,000 miles
- Notes
- Check for clogging or damage during routine inspections
Muffler
- Material
- Stainless steel
- Part Number
- 18107548063
- Dimensions
- 600mm x 300mm x 200mm
- Weight
- 8.5 kg
- Noise Reduction
- 25 dB
- Notes
- Inspect for rust or holes during service
Exhaust Pipes
- Diameter
- 60 mm
- Material
- Stainless steel
- Wall Thickness
- 1.5 mm
- Flex Pipe Part Number
- 18107548064
- Clamp Part Number
- 18107548065
- Notes
- Ensure proper alignment and secure clamping to prevent leaks
Oxygen Sensors
- Type
- Heated zirconia oxygen sensor
- Part Number
- 11787548066
- Location
- Pre-catalytic and post-catalytic
- Operating Temperature
- 300-850°C
- Replacement interval
- 100,000 miles
- Notes
- Check for proper voltage output during diagnostics
Exhaust Hangers
- Material
- Rubber with steel core
- Part Number
- 18107548067
- Quantity
- 4
- Load Capacity
- 15 kg each
- Notes
- Inspect for wear or cracking during routine maintenance
Exhaust Flanges
- Material
- Stainless steel
- Bolt Size
- M8
- Bolt Torque
- 20 Nm
- Gasket Part Number
- 18107548068
- Notes
- Ensure proper sealing to prevent exhaust leaks
Exhaust Tips
- Material
- Chrome-plated stainless steel
- Part Number
- 18107548069
- Diameter
- 90 mm
- Length
- 150 mm
- Notes
- Inspect for discoloration or damage during cleaning
Diagnostic Specifications
- Backpressure Limit
- 0.5 bar
- Oxygen Sensor Voltage Range
- 0.1-0.9 V
- Catalytic Converter Efficiency Threshold
- 90%
- Notes
- Use BMW-specific diagnostic tools for accurate readings
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks or damage
- Check oxygen sensor functionality
- Inspect catalytic converter for clogging
Perform visual and functional checks
- Replace oxygen sensors if necessary
- Inspect and tighten all exhaust clamps
- Check exhaust hangers for wear
Replace worn components as needed
- Replace catalytic converter if efficiency is below 90%
- Inspect and replace muffler if necessary
- Perform full exhaust system diagnostic
Follow BMW-recommended replacement intervals
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the diameter of the exhaust pipes on a 2003-2010 BMW 530i?
What is the diameter of the exhaust pipes on a 2003-2010 BMW 530i?
The exhaust pipes on the 2003-2010 BMW 530i have an outer diameter of 60mm (2.36 inches) for the rear section. The mid-pipe diameter is 50mm (1.97 inches). These measurements are critical for ensuring proper fitment of aftermarket or replacement exhaust systems.
Q2 What type of catalytic converter is used in the 2003-2010 BMW 530i exhaust system?
What type of catalytic converter is used in the 2003-2010 BMW 530i exhaust system?
The 2003-2010 BMW 530i is equipped with a dual-bank catalytic converter system, featuring two ceramic monolith substrates with a platinum-rhodium-palladium coating. The catalytic converters are designed to meet Euro 4 emissions standards and are located in the downpipe section of the exhaust.
Q3 What is the recommended torque specification for exhaust manifold bolts?
What is the recommended torque specification for exhaust manifold bolts?
The exhaust manifold bolts on the 2003-2010 BMW 530i should be torqued to 25 Nm (18.4 ft-lbs) in a crisscross pattern to ensure even pressure distribution. Always use new bolts and gaskets during reassembly to prevent exhaust leaks.
Q4 Can I install an aftermarket exhaust system without voiding my warranty?
Can I install an aftermarket exhaust system without voiding my warranty?
Installing an aftermarket exhaust system may void your warranty if it is determined that the modification caused damage to other components. Always consult your BMW dealership or warranty documentation before making modifications. Genuine BMW parts are recommended to maintain warranty coverage.
Q5 What is the material used for the exhaust system on the 2003-2010 BMW 530i?
What is the material used for the exhaust system on the 2003-2010 BMW 530i?
The exhaust system on the 2003-2010 BMW 530i is primarily constructed from stainless steel, with specific sections (such as the muffler) made from aluminized steel for corrosion resistance. The system is designed to withstand high temperatures and harsh environmental conditions.
Q6 How often should the exhaust system be inspected?
How often should the exhaust system be inspected?
The exhaust system should be inspected every 30,000 miles or during routine maintenance. Look for signs of corrosion, cracks, or loose components. Pay special attention to the flex pipe and hangers, as these are common failure points.
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 530i Exhaust System Repair Manual
Coming SoonOfficial BMW repair manual detailing exhaust system removal, installation, and troubleshooting procedures for the 2003-2010 530i.
Exhaust System Maintenance Guide
Coming SoonComprehensive guide on maintaining and inspecting the exhaust system, including tips for identifying common issues and ensuring longevity.
Genuine BMW Exhaust Parts Catalog
Coming SoonCatalog of genuine BMW exhaust components, including part numbers and specifications for the 2003-2010 530i.
Exhaust System Safety and Installation Tips
Coming SoonSafety guidelines and professional tips for installing or replacing exhaust components on the BMW 530i.
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