BMW 760i 2020-present

BMW 760i 2020-present Exhaust Specifications

Detailed technical specifications for the 2020-Present BMW 760i exhaust system, covering components, materials, dimensions, and performance. Ideal for technicians and enthusiasts.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the exhaust specifications for the 2020-Present BMW 760i, including key features, measurements, and technical details. This section provides detailed insights into the exhaust system's design, components, 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 exhaust documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Exhaust Pipe Diameter

70 mm (2.75 in)

Catalytic Converter Efficiency

98%

Muffler Weight

12.3 kg (27.1 lbs)

Tailpipe Diameter

90 mm (3.54 in)

Exhaust System Weight

48.5 kg (106.9 lbs)

Available Specifications

Exhaust System Design

Details about the overall design and layout of the exhaust system, including materials, construction, and integration with the vehicle's powertrain.

Material and Construction

Constructed from high-grade stainless steel for durability and corrosion resistance
Dual exhaust system with quad tailpipes for enhanced performance
Integrated heat shields to protect surrounding components
Total system weight: 48.5 kg (106.9 lbs)
Exhaust pipe diameter: 70 mm (2.75 in)

Integration with Powertrain

Directly connected to the 6.6L V12 TwinPower Turbo engine
Optimized for minimal backpressure to maximize engine efficiency
Includes electronically controlled exhaust flaps for dynamic sound tuning
Compatible with BMW's EfficientDynamics technology

Note: The exhaust flaps adjust based on driving mode (Comfort, Sport, or Eco Pro) to optimize performance and sound.

Catalytic Converter Specifications

Technical details about the catalytic converter, including its design, efficiency, and compliance with emissions standards.

Design and Efficiency

Dual catalytic converters for each exhaust bank
Ceramic honeycomb structure with platinum, palladium, and rhodium coating
Efficiency: 98% reduction in harmful emissions
Operating temperature range: 400°C to 800°C (752°F to 1472°F)
Complies with Euro 6d and EPA Tier 3 emissions standards

Maintenance and Lifespan

Expected lifespan: 160,000 km (100,000 miles)
No routine maintenance required under normal operating conditions
Diagnostic monitoring via OBD-II system
Replacement cost estimate: $1,200 - $1,800 per unit

Note: Catalytic converter efficiency may degrade over time due to contamination or physical damage.

Muffler and Sound Tuning

Information about the muffler design, sound tuning, and acoustic performance of the exhaust system.

Muffler Design

Twin-chamber muffler design for optimal noise reduction
Internal baffles and resonators for sound tuning
Exterior finish: polished stainless steel
Weight: 12.3 kg (27.1 lbs)
Dimensions: 800 mm x 300 mm x 200 mm (31.5 in x 11.8 in x 7.9 in)

Sound Tuning

Electronically controlled exhaust flaps for adjustable sound profiles
Sport mode enhances exhaust note with deeper tones
Comfort mode reduces cabin noise for a quieter ride
Acoustic tuning compliant with EU noise regulations (72 dB at idle)

Note: The exhaust sound can be customized via the BMW Drive Experience Control system.

Exhaust Pipe and Tailpipe Specifications

Technical details about the exhaust pipes and tailpipes, including dimensions, materials, and design features.

Exhaust Pipe Design

Dual exhaust pipes with a diameter of 70 mm (2.75 in)
Mandrel-bent for smooth airflow and reduced turbulence
Material: 409 stainless steel with heat-resistant coating
Total length: 2.8 meters (9.2 feet)
Integrated flex joints for vibration dampening

Tailpipe Design

Quad tailpipes with chrome-plated tips
Tailpipe diameter: 90 mm (3.54 in)
Aerodynamic design to reduce drag and improve aesthetics
Integrated exhaust gas temperature sensors
Compatible with aftermarket exhaust tips

Note: The tailpipe design is optimized for both performance and visual appeal.

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Component Specifications

General Specifications

System Type: Twin-turbocharged V12 dual exhaust system

Material: Stainless steel with chrome-plated tailpipes

Configuration: Dual exhaust with quad tailpipes

Emission Standard: Euro 6d-TEMP

Part Number: 18307608801

Exhaust Manifold

Material: Cast iron with heat-resistant coating

Bolt Torque: 25 Nm + 90°

Gasket Part Number: 11627838085

Heat Shield Material: Aluminum with ceramic coating

Catalytic Converters

Type: Dual three-way catalytic converters

Location: Close-coupled to exhaust manifolds

Substrate Material: Ceramic with platinum-palladium-rhodium coating

Efficiency: >98%

Part Number: 18307553789

Resonators

Type: Dual center-mounted resonators

Material: Stainless steel

Diameter: 90 mm

Length: 450 mm

Part Number: 18307608802

Mufflers

Type: Dual rear-mounted mufflers

Material: Stainless steel with sound-absorbing fiber

Diameter: 110 mm

Length: 600 mm

Part Number: 18307608803

Tailpipes

Type: Quad chrome-plated tailpipes

Diameter: 80 mm

Length: 300 mm

Finish: High-gloss chrome

Part Number: 18307608804

Sensors

Oxygen Sensors

Type: Wideband oxygen sensor, Location: Pre-catalytic converter, Part Number: 11787558025
Type: Wideband oxygen sensor, Location: Post-catalytic converter, Part Number: 11787558026

Temperature Sensor: Type: Exhaust gas temperature sensor
Location: Downstream of catalytic converter
Part Number: 13627838084

Mounting And Support

Hanger Material: Rubber with steel reinforcement

Hanger Quantity: 6

Bracket Material: Stainless steel

Bolt Torque: 22 Nm

Operational Parameters

Max Exhaust Gas Temperature: 950°C

Backpressure Limit: 0.5 bar

Flow Rate: 450 liters/second

Noise Level: 72 dB(A) at idle

Diagnostic Specifications

Error 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+ diagnostic software
OBD-II scanner with BMW-specific protocols

Service Information Service

Detailed service requirements and schedules for the exhaust system

30000

Inspect exhaust system for leaks, cracks, and corrosion
Check oxygen sensor functionality
Verify catalytic converter efficiency

Replace oxygen sensors if fault codes are present

60000

Inspect and tighten all exhaust mounting hardware
Check resonator and muffler for internal damage
Verify exhaust backpressure levels

Replace gaskets and seals if necessary

100000

Replace oxygen sensors as preventive maintenance
Inspect catalytic converter for physical damage
Check exhaust system alignment and hanger integrity

Consider replacing catalytic converter if efficiency drops below 95%

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the exhaust system configuration for the 2020-Present BMW 760i?

The 2020-Present BMW 760i features a dual exhaust system with quad tailpipes. It includes a high-performance stainless steel exhaust with electronically controlled exhaust flaps for optimized sound and performance. The system is designed to reduce backpressure and enhance the V12 engine's efficiency.

What is the diameter of the exhaust pipes on the BMW 760i?

The exhaust pipes on the BMW 760i have a diameter of 80mm (3.15 inches). This size is optimized to balance exhaust flow and backpressure, ensuring optimal performance and sound characteristics.

Does the BMW 760i exhaust system include a catalytic converter?

Yes, the BMW 760i exhaust system includes two high-efficiency catalytic converters, one for each bank of the V12 engine. These converters are designed to meet stringent emissions standards while maintaining engine performance.

Can the exhaust system be modified for enhanced sound?

While modifications are possible, BMW recommends using only genuine BMW parts or approved aftermarket components to avoid voiding the vehicle's warranty. Modifications should be performed by certified technicians to ensure compliance with emissions regulations and safety standards.

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 ensuring all mounting points are secure. Regular maintenance ensures optimal performance and longevity.

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 760i Exhaust System Technical Guide

Coming Soon

Detailed technical guide covering the design, components, and maintenance of the BMW 760i exhaust system.

BMW Genuine Parts Catalog

Coming Soon

Official catalog for BMW genuine exhaust components, including replacement parts and accessories.

BMW Service and Warranty Information

Coming Soon

Comprehensive guide to BMW service procedures and warranty implications for exhaust system modifications.

BMW Emissions Compliance Documentation

Coming Soon

Official documentation on how the BMW 760i exhaust system complies with global emissions standards.

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