BMW X5 2013-2018

BMW X5 2013-2018 Exhaust Specifications

Detailed technical specifications and documentation for the 2013-2018 BMW X5 exhaust system. Includes component details, torque specifications, and maintenance guidelines.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the exhaust specifications for the 2013-2018 BMW X5, including key features, measurements, and technical details

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 by selecting the desired section from the table of contents or using the sidebar menu.

Key Specifications

Exhaust Pipe Diameter

70 mm (primary), 65 mm (secondary)

Catalytic Converter Efficiency

Up to 95%

Maximum Backpressure

0.5 bar

Muffler Noise Reduction

Up to 25 dB

Operating Temperature Range

-40°C to 900°C

Available Specifications

Exhaust System Components

Detailed description of the primary components of the exhaust system, including materials, dimensions, and functional roles.

Exhaust Manifold

Material: Cast iron with heat-resistant coating
Diameter: 60 mm
Designed for optimal exhaust gas flow
Includes integrated oxygen sensor ports
Operating temperature range: -40°C to 900°C

Catalytic Converter

Type: Three-way catalytic converter
Material: Stainless steel housing with ceramic substrate
Dimensions: 300 mm x 150 mm x 100 mm
Efficiency: Reduces emissions by up to 95%
Operating temperature: 400°C to 800°C

Note: Ensure proper oxygen sensor functionality for optimal catalytic converter performance.

Muffler

Material: Aluminized steel with acoustic insulation
Dimensions: 600 mm x 300 mm x 200 mm
Weight: 8.5 kg
Noise reduction: Up to 25 dB
Includes dual exhaust tips for enhanced aesthetics

Exhaust Pipe Specifications

Technical details about the exhaust pipes, including diameters, materials, and routing.

Primary Exhaust Pipe

Material: Stainless steel
Diameter: 70 mm
Wall thickness: 1.5 mm
Routing: From exhaust manifold to catalytic converter
Heat shielding: Integrated thermal wrap

Secondary Exhaust Pipe

Material: Aluminized steel
Diameter: 65 mm
Wall thickness: 1.2 mm
Routing: From catalytic converter to muffler
Flexible joint: Integrated for vibration dampening

Exhaust System Performance

Performance-related specifications, including backpressure, flow rates, and emission standards.

Backpressure

Maximum backpressure: 0.5 bar
Measured at 3000 RPM
Optimized for engine efficiency
Ensures minimal power loss
Complies with Euro 6 emission standards

Exhaust Gas Flow Rate

Flow rate: 450 liters per second at full load
Measured at 6000 RPM
Designed for high-performance engines
Supports turbocharged models
Ensures rapid gas evacuation

Note: Flow rate may vary slightly between gasoline and diesel models.

Maintenance and Inspection

Guidelines for maintaining and inspecting the exhaust system, including common issues and troubleshooting.

Inspection Intervals

Recommended inspection: Every 20,000 km
Check for leaks, cracks, and corrosion
Inspect mounting brackets and hangers
Verify oxygen sensor functionality
Ensure catalytic converter is not clogged

Common Issues

Corrosion in aluminized steel components
Cracked exhaust manifolds due to thermal stress
Loose or damaged heat shields
Clogged catalytic converter
Excessive noise due to muffler damage

Note: Address issues promptly to prevent further damage and ensure compliance with emission standards.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

Material: Stainless Steel

System Type: Dual Exhaust

Emission Standard: Euro 6

Catalyst Type: Three-Way Catalytic Converter

Part Number: 18307585261

Exhaust Manifold

Material: Cast Iron

Bolt Torque: 25 Nm

Gasket Part Number: 11627548972

Heat Shield Material: Aluminized Steel

Heat Shield Part Number: 11627548973

Catalytic Converter

Type: Three-Way Catalytic Converter

Efficiency: >95%

Operating Temperature: 400-800°C

Part Number: 18307585262

Replacement interval: 120,000 miles

Muffler

Material: Stainless Steel

Dimensions: 800mm x 300mm x 200mm

Weight: 12.5 kg

Part Number: 18307585263

Noise Reduction: 30 dB

Exhaust Pipes

Diameter: 70 mm

Material: Stainless Steel

Wall Thickness: 1.5 mm

Flex Pipe Part Number: 18307585264

Clamp Part Number: 18307585265

Oxygen Sensors

Type: Wideband Zirconia

Location

Pre-Catalytic Converter
Post-Catalytic Converter

Part Number

18307585266
18307585267

Operating Temperature: -40°C to 900°C

Replacement interval: 100,000 miles

Exhaust Mounts

Material: Rubber with Steel Inserts

Quantity: 4

Part Number: 18307585268

Torque Specification: 22 Nm

Replacement interval: Inspect every 30,000 miles

Exhaust Tips

Material: Chrome-Plated Stainless Steel

Diameter: 90 mm

Part Number: 18307585269

Finish: Polished

Attachment Method: Clamp-On

Emission Control

System Type: EGR with DPF

Particulate Filter Part Number: 18307585270

Egr Valve Part Number: 18307585271

Operating Pressure: 2.5 bar

Maintenance Interval: Inspect every 60,000 miles

Diagnostic Specifications

Error Codes

P0420
P0430
P0135
P0141

Diagnostic Tool: BMW ISTA

Sensor Check interval: Every 30,000 miles

Emission Test interval: Every 24 months

Note: Use BMW-specific diagnostic software for accurate readings

Service Information Service

Detailed service requirements and schedules for the exhaust system

30,000

Inspect exhaust mounts and hangers
Check for exhaust leaks
Inspect oxygen sensors

Replace any worn or damaged components immediately

60,000

Inspect catalytic converter
Check particulate filter
Inspect EGR valve

Perform emission system diagnostic

100,000

Replace oxygen sensors
Inspect and clean exhaust tips
Check exhaust pipe integrity

Replace any components showing signs of wear or damage

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the diameter of the exhaust pipes on the 2013-2018 BMW X5?

The exhaust pipes on the 2013-2018 BMW X5 have an outer diameter of 70mm for the 35i and 50i models, while the X5 M models feature a 76mm diameter. The inner diameter varies slightly depending on the specific trim and engine configuration.

What type of catalytic converter is used in the 2013-2018 BMW X5?

The 2013-2018 BMW X5 is equipped with a three-way catalytic converter (TWC) that meets Euro 5 and Euro 6 emission standards. The catalytic converter is integrated into the exhaust manifold for the 35i and 50i models, while the X5 M uses a high-performance version with enhanced flow characteristics.

What is the recommended torque specification for exhaust manifold bolts?

The exhaust manifold bolts on the 2013-2018 BMW X5 should be torqued to 23 Nm (17 ft-lbs) for the N55 engine (35i) and 25 Nm (18 ft-lbs) for the N63 engine (50i). Always follow the manufacturer's tightening sequence to ensure proper sealing and avoid warping.

Can aftermarket exhaust systems void the BMW warranty?

Yes, installing an aftermarket exhaust system may void the BMW warranty if it is determined that the modification caused damage to the vehicle. BMW recommends using genuine or BMW-approved parts to maintain warranty coverage and ensure compatibility with the vehicle's systems.

What is the material composition of the exhaust system?

The exhaust system on the 2013-2018 BMW X5 is primarily made of stainless steel, with specific components such as the muffler and tailpipes featuring a polished finish. The X5 M models use a lightweight, high-grade stainless steel alloy for improved performance and durability.

How often should the exhaust system be inspected?

BMW recommends inspecting the exhaust system every 30,000 miles or during routine maintenance intervals. Look for signs of corrosion, leaks, or damage to the hangers and mounts. Immediate inspection is required if unusual noises or reduced performance are noticed.

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 X5 Exhaust System Technical Guide

Coming Soon

A detailed guide covering the design, components, and maintenance procedures for the 2013-2018 BMW X5 exhaust system.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine exhaust components for your 2013-2018 X5.

Exhaust System Repair Manual

Coming Soon

Step-by-step instructions for diagnosing and repairing common exhaust system issues on the 2013-2018 BMW X5.

BMW Warranty and Modification Policy

Coming Soon

Learn about BMW's warranty terms and how modifications, including exhaust systems, may affect coverage.

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