DCE Parts BMW G45 X3 30e Valved Cat Back Exhaust System

Transform the exhaust note of your BMW G45 X3 30e with the DCE Parts Valved Cat Back Exhaust System, developed specifically for the latest-generation plug-in hybrid X3.

Manufactured from high-grade stainless steel, the DCE system is designed to give X3 30e owners considerably more control over the character of their exhaust. With the valves closed, the focus remains on refinement and everyday usability, keeping additional cabin noise to a minimum during motorway journeys and normal driving. Open the valves and the system delivers a sportier, more engaging exhaust note when you want to hear more from the petrol engine.

An independent valve controller is included, along with remote controls, electrical cables and a 12V power supply, giving the driver direct control over the exhaust valves.

The system can also be configured with optional exhaust tips, including a quad-tip setup when combined with the appropriate Genuine BMW G45 X3 M50 rear diffuser and heat shields.

For G45 X3 30e owners looking for more exhaust sound without sacrificing the refinement that makes the X3 such an effective everyday car, the DCE Parts valved exhaust offers the best of both worlds.

Key Features

• Developed specifically for the BMW G45 X3 30e
• Valved cat-back exhaust system
• High-grade stainless steel construction
• Electronically controlled exhaust valves
• Switchable exhaust sound
• Refined with the valves closed
• Sportier exhaust note with the valves open
• Designed to minimise unwanted cabin noise during motorway driving
• High-quality valve components
• Dedicated valve controller included
• Remote controls included
• Electrical cables included
• 12V power supply included
• Optional exhaust tips available
• Can be configured for a quad exhaust tip conversion
• Compatible with the Genuine BMW X3 M50 rear diffuser conversion

A Valved Exhaust For The BMW G45 X3 30e

The latest BMW G45 X3 30e combines a turbocharged petrol engine with plug-in hybrid technology, providing strong performance while retaining the comfort and versatility expected from an X3.

For drivers looking for a more engaging exhaust note, however, the standard system leaves considerable room for improvement.

DCE Parts has developed its valved exhaust specifically for the G45-generation X3 30e, allowing the character of the exhaust to be changed at the driver's command.

Instead of committing to a permanently louder exhaust system, the valves allow you to choose between a more restrained setup for everyday use and a more pronounced exhaust note when conditions allow.

Valves Closed: Designed For Everyday Refinement

One of the biggest advantages of a properly developed valved exhaust is the ability to retain the refinement of the vehicle when additional volume isn't wanted.

With the DCE exhaust valves closed, the system has been developed with comfort and drivability in mind.

DCE specifically focused on motorway refinement, with the closed-valve configuration introducing very little additional sound into the cabin compared with the original exhaust.

This makes the system particularly well suited to an X3 30e used as a daily driver, family car or long-distance vehicle.

You can enjoy an upgraded exhaust system without making every journey unnecessarily loud.

Valves Open: A Sportier X3 30e Exhaust Note

Open the valves and the character of the exhaust changes.

The reduced restriction through the valved section allows the petrol engine to produce a more prominent and engaging exhaust note, particularly under heavier throttle.

DCE has deliberately retained a degree of refinement even in the open-valve configuration. Rather than simply making the X3 as loud as possible, the objective is to provide a noticeable increase in character while keeping the vehicle comfortable and usable.

This gives you a more entertaining exhaust note when accelerating while retaining the ability to quieten the system again when required.

Electronic Valve Control

The exhaust valves are operated through a dedicated control system supplied with the exhaust.

The kit includes:

• Electronic valve actuators
• Valve controller
• Remote controls
• Electrical cables
• 12V power supply

This independent control system allows the driver to operate the exhaust valves rather than relying on a permanently open or fixed exhaust configuration.

DCE uses high-quality valve components designed to provide reliable operation while giving the system its dual-character functionality.

High-Grade Stainless Steel Construction

The DCE Parts G45 X3 30e exhaust is manufactured from high-grade stainless steel, providing a strong and durable construction suitable for year-round road use.

Stainless steel is particularly well suited to exhaust applications because of its resistance to heat and corrosion, helping the system withstand repeated heat cycles and exposure to the conditions experienced underneath the vehicle.

The result is a complete exhaust upgrade designed around both sound and long-term usability.

Optional Exhaust Tips

The DCE exhaust can be configured with optional exhaust tips, allowing the rear appearance of the X3 30e to be changed alongside the exhaust sound.

This is particularly relevant for customers wanting to create a more performance-focused rear end with quad exhaust outlets.

Exhaust tip availability and configuration should be selected when ordering.

G45 X3 30e Quad Exhaust Tip Conversion

For customers wanting to run a quad-tip exhaust configuration, DCE recommends converting the rear bumper to use the corresponding BMW G45 X3 M50 diffuser.

The recommended Genuine BMW components are:

51485A2BB32 – Genuine BMW Right Side Heat Shield Insulation
51485A2BB33 – Genuine BMW Left Side Heat Shield Insulation
51125A83E88 – Genuine BMW X3 M50 Rear Diffuser

Using the M50-style rear diffuser provides the appropriate rear bumper layout for the quad exhaust outlets, while the corresponding left and right heat shields accommodate the revised exhaust configuration.

These components are not included with the exhaust system unless specifically stated or selected separately.

Why Convert To The X3 M50 Rear Diffuser?

The standard G45 X3 30e rear bumper configuration was not designed around the same visible quad exhaust arrangement as the M50.

For customers choosing the quad-tip configuration, fitting the Genuine BMW X3 M50 rear diffuser provides a factory BMW component designed around the more aggressive exhaust outlet layout.

Combined with the DCE system, this creates a much more substantial visual transformation than simply changing the exhaust underneath the vehicle.

It also means the conversion can incorporate Genuine BMW exterior components rather than relying on a modified factory 30e diffuser.

BMW G45 X3 30e Compatibility

Designed specifically for:

• BMW G45 X3 30e xDrive Plug-In Hybrid

This system is developed for the 30e powertrain and should not be assumed to fit other G45 X3 engine variants.

If you are unsure about compatibility with your individual vehicle, please confirm your model and specification before ordering.

What's Included?

The DCE Parts G45 X3 X3 30e Valved Exhaust System includes:

• Stainless steel exhaust system
• Electronic exhaust valve hardware
• Valve controller
• Remote controls
• Electrical cables
• 12V power supply

Optional exhaust tips are available separately depending on the selected configuration.

For a quad-tip conversion, the appropriate BMW X3 M50 diffuser and heat shields are also required.

Product Specifications

Manufacturer: DCE Parts
Product: Valved Cat Back Exhaust System
Vehicle: BMW G45 X3 30e
Powertrain: Petrol / Plug-In Hybrid
Material: High-Grade Stainless Steel
Valve Type: Electronic
Valve Control: Independent Controller / Remote
Valve Controller: Included
Remote Controls: Included
Electrical Cables: Included
12V Power Supply: Included
Exhaust Tips: Optional
Quad Tip Conversion: Available with additional components

A Dual-Character Exhaust For A Daily-Driven X3

The appeal of the DCE system is its ability to complement the dual-purpose nature of the G45 X3 30e.

The X3 is designed to work equally well on everyday journeys and longer motorway trips, so fitting an exhaust that is permanently intrusive can compromise one of the vehicle's biggest strengths.

DCE's valved configuration provides a solution:

Valves closed for quieter starts, longer journeys and everyday driving.

Valves open when you want a sportier and more prominent exhaust note under acceleration.

For a daily-driven X3 30e, this flexibility makes a valved system particularly attractive.

Professional Installation Recommended

Professional installation by a BMW or performance exhaust specialist is recommended.

Installation involves both the exhaust hardware and electronic valve-control system, so correct routing and connection of the supplied electrical components is important.

Customers carrying out the optional quad-tip conversion will also need the corresponding rear diffuser and heat shielding installed.

Once fitted, the system should be checked for correct:

• Exhaust alignment
• Clearance around surrounding components
• Valve operation
• Electrical connections
• Exhaust tip positioning
• Rear diffuser clearance
• Exhaust sealing

Why Choose DCE Parts?

DCE Parts develops exhaust systems with a focus on combining increased sound with the everyday usability expected from modern performance vehicles.

For the G45 X3 30e, the valved configuration is particularly appropriate. Rather than turning the plug-in hybrid X3 into a permanently loud SUV, the system allows the driver to choose when additional exhaust sound is wanted.

Key benefits include:

• Vehicle-specific G45 X3 30e development
• High-grade stainless steel construction
• Switchable exhaust valves
• Quiet, refined closed-valve operation
• Sportier open-valve exhaust note
• Complete electronic valve-control hardware
• Optional exhaust tip configurations
• Quad-tip conversion compatibility

Why Buy From R44 Performance?

R44 Performance specialises in BMW modifications and performance parts, with an expanding range of upgrades available for the latest BMW G45 X3 platform.

When you purchase the DCE Parts BMW G45 X3 30e Valved Cat Back Exhaust System from R44 Performance, you'll benefit from:

• Genuine DCE Parts exhaust system
• Specialist BMW product knowledge
• Support with G45 X3 30e fitment and configuration
• Optional exhaust tip configurations available
• Genuine BMW components available for the M50-style quad-tip conversion
• Fast UK and worldwide shipping
• Secure packaging
• Dedicated customer support

For BMW G45 X3 30e owners looking for more character from the petrol engine without sacrificing everyday refinement, the DCE Parts Valved Cat Back Exhaust System provides a switchable stainless steel exhaust solution with the option to complete the transformation with an X3 M50-style quad exhaust conversion.

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