BMW X3 M40i G01 / X4 M40i G02 B58 3.0T L6 Stainless Steel Valved Sport Catback Exhaust System

Product Overview

Made for the BMW X3 M40i (G01) and X4 M40i (G02) with the B58 3.0-litre turbocharged inline-six, this valved sport catback exhaust offers a stainless steel alternative to the factory system. It is designed to add more presence to the straight-six sound while keeping the practicality expected of a daily-driven SUV.

Key Features and Benefits

• Valved design for changeable exhaust volume
• Stainless steel pipework for durability and corrosion resistance
• Covers the centre exhaust section as listed by the supplier
• Suited to street and performance driving
• Silver natural stainless appearance

Vehicle Compatibility

The supplier states fitment for BMW G01 X3 M40i and G02 X4 M40i models with the B58 3.0T L6 engine. This fitment is supplier-stated and has not been independently verified. No year range has been provided, and pre- and post-facelift models may differ, so please confirm compatibility with your vehicle before ordering.

Product Specifications

• Product type: valved sport catback exhaust
• Material: stainless steel
• Thickness: standard (exact figure not stated)
• Exhaust section: centre section (as listed)
• Engine: B58 3.0T L6
• Chassis: G01, G02
• Colour: silver

Installation and Usage

The supplier lists this as a performance replacement installation. A professional exhaust technician should carry out the work with the vehicle safely raised and the exhaust cool. Connect and test the valve operation after fitting, then check hanger positions, tip alignment and every joint for leaks. A follow-up inspection after a short period of driving is recommended.

Package Contents

Based on the listing, the package includes the valved catback exhaust shown in the photos. Clamps, gaskets, tips and valve control components have not been confirmed by the supplier.

Important Fitment Notice

Please send us your VIN or chassis number so we can help check fitment before purchase. In New Zealand, any exhaust modification must meet noise and WoF requirements, and the owner is responsible for compliance. Product images are for reference only.