BMW 650i 2012-2017 Exhaust Specifications
Detailed technical specifications and documentation for the 2012-2017 BMW 650i exhaust system. Learn about exhaust components, torque specs, maintenance, and troubleshooting for the N63 engine.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2012-2017 BMW 650I, including key features, measurements, and technical details. This section provides detailed information on 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.'
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 (primary), 70 mm (secondary)
Catalytic Converter Length
300 mm
Muffler Weight
8.2 kg
Resonator Diameter
100 mm
Exhaust System Material
Stainless steel
Available Specifications
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, materials, and design features.
Exhaust System Overview
This section provides an overview of the exhaust system, including its components, materials, and design features.
Exhaust System Components
- Dual exhaust system with two tailpipes
- Stainless steel construction for durability
- Integrated catalytic converters for emissions control
- Resonators and mufflers for noise reduction
- Exhaust flap for dynamic sound control
Exhaust System Design
- Optimized for the N63 4.4L V8 engine
- Designed for minimal backpressure
- Heat-resistant materials for high-temperature operation
- Lightweight construction for improved performance
- Aerodynamic shaping for reduced drag
Note: The exhaust system is engineered to enhance both performance and fuel efficiency.
Exhaust Pipe Specifications
This section details the dimensions, materials, and technical specifications of the exhaust pipes.
Exhaust Pipe Specifications
This section details the dimensions, materials, and technical specifications of the exhaust pipes.
Primary Exhaust Pipes
- Diameter: 60 mm
- Material: Stainless steel
- Wall thickness: 1.5 mm
- Length: 1200 mm per side
- Bend radius: 150 mm
Secondary Exhaust Pipes
- Diameter: 70 mm
- Material: Stainless steel
- Wall thickness: 1.5 mm
- Length: 800 mm per side
- Bend radius: 200 mm
Note: Secondary pipes are designed to reduce turbulence and improve exhaust flow.
Catalytic Converters
This section covers the specifications and features of the catalytic converters in the exhaust system.
Catalytic Converters
This section covers the specifications and features of the catalytic converters in the exhaust system.
Catalytic Converter Design
- Dual catalytic converters per bank
- Ceramic honeycomb substrate
- Palladium and rhodium catalyst coating
- Operating temperature range: 400°C to 800°C
- Emissions compliance: Euro 6 standards
Catalytic Converter Dimensions
- Length: 300 mm
- Diameter: 120 mm
- Weight: 4.5 kg per unit
- Inlet diameter: 60 mm
- Outlet diameter: 70 mm
Note: The catalytic converters are designed for optimal exhaust gas treatment and longevity.
Muffler and Resonator Specifications
This section provides details on the mufflers and resonators, including their design and performance characteristics.
Muffler and Resonator Specifications
This section provides details on the mufflers and resonators, including their design and performance characteristics.
Muffler Design
- Dual-chamber design for noise reduction
- Material: Stainless steel
- Internal baffles for sound dampening
- Weight: 8.2 kg per unit
- Inlet and outlet diameter: 70 mm
Resonator Specifications
- Helmholtz resonator design
- Material: Stainless steel
- Length: 400 mm
- Diameter: 100 mm
- Weight: 3.5 kg per unit
Note: Resonators are tuned to eliminate specific frequencies for a refined exhaust note.
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Component Specifications
General Specifications
- System Type
- Twin-pipe exhaust system with dual tailpipes
- Material
- Stainless steel
- Weight
- Approximately 22.5 kg
- Emission Standard
- EU5 compliant
- Noise Level
- 74 dB(A) at idle
Exhaust Manifold
- Material
- Cast iron
- Part Number
- 11627586951
- Bolt Torque
- 25 Nm
- Gasket Material
- Graphite
- Heat Shield Material
- Aluminized steel
Catalytic Converter
- Type
- Dual catalytic converters
- Part Number
- 18307585203
- Substrate Material
- Ceramic
- Precious Metals
- Platinum, Palladium, Rhodium
- Operating Temperature
- 400-800°C
- Efficiency
- >95%
Resonator
- Type
- Center resonator
- Part Number
- 18107546671
- Material
- Stainless steel
- Diameter
- 100 mm
- Length
- 450 mm
Muffler
- Type
- Dual rear mufflers
- Part Number
- 18107546672
- Material
- Stainless steel
- Diameter
- 120 mm
- Length
- 600 mm
- internal Baffles
- Perforated tube design
Tailpipes
- Type
- Dual chrome-plated tailpipes
- Diameter
- 90 mm
- Length
- 300 mm
- Material
- Stainless steel with chrome finish
- Part Number
- 18107546673
Oxygen Sensors
- Type
- Wideband zirconia sensors
- Part Number
- 11787586923
- Location
- Pre-catalytic and post-catalytic
- Operating Temperature
- -40°C to 900°C
- Response Time
- <100 ms
Mounting System
- Rubber Mounts
- Part Number: 18107546674Material: Heat-resistant rubberQuantity: 4
- Bracket Material
- Stainless steel
- Bolt Torque
- 20 Nm
Operational Parameters
- Max Exhaust Gas Temperature
- 950°C
- Back Pressure Limit
- 0.3 bar
- Flow Rate
- 450 m³/h
- Warranty Coverage
- 8 years or 80,000 miles
Diagnostic Specifications
- Fault Codes
-
- P0420 - Catalyst System Efficiency Below Threshold
- P0430 - Catalyst System Efficiency Below Threshold (Bank 2)
- P0135 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- P0155 - O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
- Diagnostic Tools
- BMW ISTA/D or compatible OBD-II scanner
- inspection Intervals
- Every 30,000 miles or 24 months
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks and damage
- Check oxygen sensor functionality
- Verify catalytic converter efficiency
Replace oxygen sensors if fault codes are present
- Inspect and tighten all exhaust mounting hardware
- Check heat shields for corrosion and damage
- Perform back-pressure test on catalytic converters
Replace catalytic converters if efficiency is below 90%
- Replace oxygen sensors as preventive maintenance
- Inspect and replace exhaust gaskets if necessary
- Check resonator and muffler for internal damage
Use only BMW-approved replacement parts
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration for the 2012-2017 BMW 650i?
What is the exhaust system configuration for the 2012-2017 BMW 650i?
The 2012-2017 BMW 650i features a dual exhaust system with two tailpipes, each measuring 80mm in diameter. The system includes two catalytic converters, one for each bank of the V8 engine, and is designed to optimize exhaust flow and reduce backpressure.
Q2 What material is used in the exhaust system of the BMW 650i?
What material is used in the exhaust system of the BMW 650i?
The exhaust system is constructed from high-quality stainless steel, which provides excellent resistance to corrosion and heat. The mufflers and tailpipes are also made from stainless steel to ensure durability and longevity.
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. This includes checking for leaks, corrosion, and damage to the catalytic converters, mufflers, and pipes. Regular maintenance ensures optimal performance and compliance with emissions standards.
Q4 Can aftermarket exhaust systems affect the vehicle's warranty?
Can aftermarket exhaust systems affect the vehicle's warranty?
Installing an aftermarket exhaust system may void certain aspects of your BMW warranty, particularly if the modification leads to damage or failure of related components. Always consult your BMW dealership or warranty documentation before making any modifications.
Q5 What are the emissions standards for the BMW 650i exhaust system?
What are the emissions standards for the BMW 650i exhaust system?
The 2012-2017 BMW 650i exhaust system is designed to meet stringent Euro 5 and ULEV II emissions standards. The system includes advanced catalytic converters and oxygen sensors to minimize harmful emissions and ensure compliance with environmental regulations.
Q6 How does the exhaust system impact engine performance?
How does the exhaust system impact engine performance?
The exhaust system plays a critical role in engine performance by managing backpressure and ensuring efficient expulsion of exhaust gases. Properly functioning exhaust components help maintain optimal engine power, fuel efficiency, and throttle response.
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 650i Exhaust System Technical Manual
Coming SoonDetailed technical manual covering the exhaust system components, specifications, and maintenance procedures for the 2012-2017 BMW 650i.
BMW Genuine Parts Catalog
Coming SoonOfficial catalog for genuine BMW exhaust system parts, including catalytic converters, mufflers, and tailpipes.
Exhaust System Maintenance Guide
Coming SoonStep-by-step guide for inspecting and maintaining the exhaust system, including safety precautions and recommended tools.
BMW Warranty Information
Coming SoonComprehensive information on BMW warranty coverage, including implications of aftermarket modifications.
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