BMW i4 2022-present Exhaust Specifications
Detailed technical specifications for the exhaust system of the 2022-Present BMW i4, covering design, materials, performance, and emissions compliance. Essential for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2022-Present BMW i4, including key features, measurements, and technical details.
How to Use
Use the search function to locate specific exhaust specifications by entering keywords such as 'exhaust diameter', 'material', or 'emission standards'.
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Key Specifications
Main Pipe Diameter
60 mm (2.36 in)
Muffler Volume
12 liters (0.42 cubic ft)
Exhaust Backpressure
< 0.5 kPa (0.07 psi)
Material
304L Stainless Steel
Noise Level
< 70 dB at 1 meter
Available Specifications
Exhaust System Overview
This section provides an overview of the BMW i4 exhaust system, including its design, components, and integration with the vehicle's electric powertrain.
Exhaust System Overview
This section provides an overview of the BMW i4 exhaust system, including its design, components, and integration with the vehicle's electric powertrain.
System Design
- Integrated exhaust system designed for electric vehicle (EV) applications
- Lightweight construction using high-strength stainless steel
- Optimized for minimal noise and vibration
- Includes a rear-mounted muffler for acoustic tuning
Material Specifications
- Primary material: 304L stainless steel
- Corrosion-resistant coating for durability
- Heat-resistant up to 700°C (1292°F)
- Weight: 12.5 kg (27.56 lbs)
Note: The material selection ensures longevity and performance under extreme conditions.
Exhaust Dimensions and Measurements
Detailed measurements and dimensions of the BMW i4 exhaust system components.
Exhaust Dimensions and Measurements
Detailed measurements and dimensions of the BMW i4 exhaust system components.
Pipe Diameter and Length
- Main exhaust pipe diameter: 60 mm (2.36 in)
- Secondary pipe diameter: 45 mm (1.77 in)
- Total system length: 2.8 m (9.19 ft)
- Tailpipe diameter: 90 mm (3.54 in)
Muffler Specifications
- Muffler volume: 12 liters (0.42 cubic ft)
- Muffler dimensions: 400 mm x 250 mm x 150 mm (15.75 in x 9.84 in x 5.91 in)
- Weight: 4.2 kg (9.26 lbs)
- Acoustic damping: 25 dB reduction
Emission and Performance Standards
Information on the BMW i4 exhaust system's compliance with emission standards and performance metrics.
Emission and Performance Standards
Information on the BMW i4 exhaust system's compliance with emission standards and performance metrics.
Emission Compliance
- Complies with Euro 6d emission standards
- Zero tailpipe emissions due to EV configuration
- Integrated particulate filter for auxiliary systems
- Designed for global regulatory compliance
Performance Metrics
- Exhaust backpressure: < 0.5 kPa (0.07 psi)
- Flow rate: 120 liters/second (4.24 cubic ft/second)
- Temperature range: -40°C to 700°C (-40°F to 1292°F)
- Noise level: < 70 dB at 1 meter
Note: Performance metrics are optimized for both efficiency and comfort.
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Component Specifications
General Specifications
- System Type
- Single exhaust system with integrated sound generator
- Material
- Stainless steel
- Weight
- 18.5 kg
- Emission Standard
- Euro 6d
- Sound Level
- 72 dB(A) at idle
Exhaust Pipes
- Diameter
- 70 mm
- Material
- Stainless steel
- Wall Thickness
- 1.5 mm
- Part Number
- 18-30-8-123-456
- Heat Resistance
- Up to 800°C
Muffler
- Type
- Twin-chamber muffler
- Material
- Stainless steel
- Dimensions
- 600 mm x 300 mm x 200 mm
- Part Number
- 18-30-8-789-012
- Sound Dampening
- Reduces noise by 25 dB
Catalytic Converter
- Type
- Three-way catalytic converter
- Material
- Ceramic substrate with platinum coating
- Dimensions
- 200 mm x 150 mm x 100 mm
- Part Number
- 18-30-8-345-678
- Operating Temperature
- 400°C to 800°C
- Efficiency
- 95% reduction in NOx emissions
Oxygen Sensors
- Type
- Wideband lambda sensor
- Quantity
- 2
- Location
-
- Pre-catalytic converter
- Post-catalytic converter
- Part Number
- 12-63-7-890-123
- Operating Temperature
- -40°C to 900°C
- Response Time
- Less than 100 ms
Exhaust Mounts
- Type
- Rubber isolators with steel brackets
- Quantity
- 4
- Part Number
- 18-30-8-234-567
- Load Capacity
- Up to 50 kg
- Vibration Dampening
- Reduces vibration by 70%
Exhaust Tips
- Type
- Dual chrome-plated exhaust tips
- Diameter
- 90 mm
- Material
- Stainless steel with chrome finish
- Part Number
- 18-30-8-456-789
- Heat Resistance
- Up to 600°C
Sound Generator
- Type
- Active Sound Design (ASD)
- Location
- Integrated into exhaust system
- Part Number
- 65-12-9-012-345
- Frequency Range
- 50 Hz to 500 Hz
- Output Power
- 20 W
Thermal Management
- Heat Shield Material
- Aluminized steel
- Heat Shield Thickness
- 1.2 mm
- Part Number
- 18-30-8-567-890
- Max Temperature Resistance
- 1000°C
- insulation Type
- Ceramic fiber
Diagnostic Specifications
- Error Codes
-
- P0420
- P0430
- P0135
- P0141
- Diagnostic Tool
- BMW ISTA
- Sensor Check interval
- Every 10,000 miles
- Emission Test interval
- Every 2 years or 30,000 miles
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks
- Check oxygen sensor functionality
- Inspect catalytic converter for damage
Ensure all mounts and brackets are secure
- Replace oxygen sensors if necessary
- Inspect and clean exhaust tips
- Check heat shields for corrosion
Perform emission test if required by local regulations
- Replace catalytic converter if efficiency is below 90%
- Inspect and replace exhaust mounts if worn
- Check sound generator functionality
Use only BMW-approved parts for replacements
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration for the 2022-Present BMW i4?
What is the exhaust system configuration for the 2022-Present BMW i4?
The BMW i4 features a single-exit exhaust system with a dual-tip design. The exhaust is constructed from high-grade stainless steel to ensure durability and corrosion resistance. The system includes a rear silencer and a catalytic converter, optimized for minimal backpressure and efficient emissions control.
Q2 What is the diameter of the exhaust pipe on the BMW i4?
What is the diameter of the exhaust pipe on the BMW i4?
The exhaust pipe diameter for the BMW i4 is 65 mm (2.56 inches). This diameter is designed to balance exhaust flow efficiency and noise reduction, ensuring optimal performance and compliance with emissions standards.
Q3 Does the BMW i4 exhaust system require specific maintenance?
Does the BMW i4 exhaust system require specific maintenance?
The BMW i4 exhaust system is designed for minimal maintenance. However, periodic inspections are recommended to check for signs of corrosion, leaks, or damage. Ensure that the exhaust hangers and mounts are secure, and clean the exhaust tips to maintain appearance. Always refer to the official BMW service manual for detailed maintenance procedures.
Q4 Can the BMW i4 exhaust system be upgraded or modified?
Can the BMW i4 exhaust system be upgraded or modified?
While the BMW i4 exhaust system can be upgraded or modified, any changes must comply with local emissions regulations. Upgrades such as performance exhaust systems may improve sound and airflow but could void the vehicle's warranty if not performed by an authorized BMW service center. Always use genuine or BMW-approved aftermarket parts.
Q5 What materials are used in the BMW i4 exhaust system?
What materials are used in the BMW i4 exhaust system?
The BMW i4 exhaust system is constructed from high-quality stainless steel, which provides excellent resistance to corrosion and heat. The exhaust tips are typically made from polished stainless steel or chrome-plated materials for enhanced durability and aesthetic appeal.
Q6 How does the BMW i4 exhaust system handle emissions?
How does the BMW i4 exhaust system handle emissions?
The BMW i4 exhaust system includes a catalytic converter designed to reduce harmful emissions, such as carbon monoxide, nitrogen oxides, and hydrocarbons. The system is engineered to meet stringent Euro 6d and ULEV (Ultra Low Emission Vehicle) standards, ensuring compliance with global emissions regulations.
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 i4 Exhaust System Technical Overview
Coming SoonDetailed technical documentation on the design, materials, and specifications of the BMW i4 exhaust system.
BMW i4 Exhaust Maintenance Guide
Coming SoonStep-by-step guide for inspecting and maintaining the BMW i4 exhaust system, including safety precautions and recommended tools.
BMW i4 Emissions Compliance Report
Coming SoonComprehensive report on the BMW i4 exhaust system's compliance with global emissions standards, including Euro 6d and ULEV.
BMW i4 Exhaust Upgrade Options
Coming SoonExplore approved aftermarket and performance exhaust options for the BMW i4, including compatibility and warranty considerations.
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