BMW B48 2.0T 2016-2021 F/G-Series 320i 330i 330e 420i 430i 525i 530i Stainless Steel Catless Downpipe

Product Overview

This stainless steel catless downpipe is designed for 2016-2021 BMW F-Series and G-Series models powered by the B48 2.0T turbocharged four-cylinder, including the 320i, 330i, 330e, 420i, 430i, 525i and 530i. Its high-flow design replaces the factory downpipe and catalytic converter, and is intended for motorsport and off-road performance builds.

Key Features and Benefits

• Catless high-flow downpipe design
• Stainless steel construction
• Designed for the B48 2.0T turbo engine
• Listed for a wide range of F-Series and G-Series models
• Supplied as one complete downpipe

Vehicle Compatibility

The supplier lists fitment for 2016-2021 BMW F / G chassis 320i, 330e, 330i, 420i, 430i, 525i and 530i with the B48 2.0T engine. The title also mentions 630i and 730i. Specific chassis codes were not provided, and layouts can differ between models, so this supplier-stated fitment has not been independently verified. Please confirm compatibility with us before ordering, especially for the 330e hybrid.

Product Specifications

• Product type: catless downpipe
• Material: stainless steel
• Pipe diameter: high flow design (size not stated)
• Thickness: standard (exact figure not stated)
• Engine: B48 2.0T turbo L4
• Platform: F-Series / G-Series
• Package size: 66 x 27 x 19 cm
• Gross weight: approx. 3.5 kg

Installation and Usage

Downpipe installation requires access to the turbo outlet beneath the vehicle and should be carried out by a performance workshop. Removing the catalytic converter requires ECU calibration to avoid fault codes and to manage oxygen sensor readings. After fitting, check flange seals, sensor connections and clearances, then recheck fasteners after the first few heat cycles.

Package Contents

The supplier states the package includes 1 x catless downpipe, sold as a single item. Gaskets, clamps and fasteners have not been confirmed.

Important Fitment Notice

Please send us your VIN or chassis number before ordering so we can help confirm fitment. This catless downpipe is intended for off-road and motorsport use only. Removing a catalytic converter from a road vehicle in New Zealand may breach emissions rules and result in a WoF failure; compliance is the owner's responsibility.