LEIB BMW B48/B58 OPF/GPF & CAT Delete Bypass Emulator Kit - Plug & Play CAN-Bus with Pressure Sensors - OPF Deleter, GPF Off, Catless Decat Controller F/G Series (Fits M135i xDrive, M140i, M235i xDrive, M240i, 330i, 340i, M340i, 440i, M440i, Z4 M40i)

LEIB BMW B48 B58 Particulate Filter and Catalyst Removal Control Kit with Pressure Sensors and CAN-Bus Module

Unlock a sharper soundtrack and freer exhaust flow on track with the LEIB control kit for vehicles running the BMW B48 2.0 turbo and B58 3.0 turbo engines. This plug-in solution is designed to enable the mechanical removal of the catalyst and gasoline particulate filter for motorsport use while retaining your factory calibration. The included pressure sensors and dedicated CAN-bus module integrate with the car’s systems for a clean, OE-style installation that is fully reversible.

Built for enthusiasts who want a more engaging, harder-edged note and reduced exhaust restriction on circuit, this LEIB package delivers quality, reliability and simplicity. We have installed this kit on our own development cars and for customers, and the feedback has been consistently excellent.

Why enthusiasts choose this kit

• Track-focused hardware control for catalyst and particulate filter removal while keeping the stock ECU software - no remap required for track use.
• Genuine plug-in harness with OE-grade connectors - no cutting or soldering.
• Installed in the engine bay and fully reversible for easy refitting.
• Integrated pressure sensors and CAN module designed to communicate with the vehicle electronics.
• Typical install time around 60 minutes with basic tools.
• Clear, illustrated online instructions included.

Vehicle applications

For BMW models equipped with the 4-cylinder B48 and 6-cylinder B58 single-turbo engines, including:

• 1 Series F20 F21 M140i xDrive B58 2018-2019
• 1 Series F40 M135i xDrive B48 2018+
• 2 Series F22 F23 M240i xDrive B58 2018-2020
• 2 Series F44 M235i xDrive Gran Coupe 2020+
• 2 Series G42 M240i xDrive B58 2021+
• 3 Series F30 F31 340i xDrive B58 2016-2019
• 3 Series G20 G21 330i xDrive B48 2019+
• 3 Series G20 G21 M340i xDrive B58 2019+
• 4 Series F32 F33 440i xDrive B58 2016-2019
• 4 Series G22 G23 M440i xDrive B58 2021+
• Z4 G29 M40i B58 2019+

What you receive

• LEIB control kit for catalyst and particulate filter removal
• Pressure sensor set
• CAN-bus module
• Vehicle-specific plug-in loom
• Online installation guide

Installation and fitting

Straightforward plug-in installation with typical fit time of around 60 minutes. Professional fitting recommended for best results.

Want us to install it for you? MJ Modifications offers expert fitting in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Download the installation guide: LEIB OPF Deleter Installation Guide

Compatibility check before dispatch

We verify fitment prior to shipping. Add your UK registration or the last 7 of your VIN at checkout and we will confirm compatibility.

Important notice

For off-road and track use only. Not for use on public roads. Removing catalytic converters and particulate filters may be illegal in your region. Always check and comply with local laws and regulations.

Part number

S1V2-OPF-CAT

Manufacturer

LEIB

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