Experience the unfiltered S58 & S68 Sound – without chip tuning and without error messages.
Modern gasoline particulate filters (GPFs) significantly dampen the emotional soundscape of your BMW M model. If you mechanically remove the filter, without electronic adjustments, the check engine light (CEL) will illuminate and the engine will enter limp mode. With the intelligent CAN bus technology from LEIB Engineering We offer you the perfect solution: Maximum sound with original engine software.
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The problem: The OPF as a "sound killer"
Since 2018, particulate filters have been mandatory in Europe. They act like an additional silencer in the exhaust system. Mechanical removal of the filter immediately triggers plausibility errors in BMW's highly sensitive sensor system. A classic ECU unlock is often difficult or even impossible on newer models (from model year 06/2020 onwards).
The solution: LEIB Engineering CAN bus modules
LEIB Engineering's modules simulate the OPF sensor data so precisely that the engine control unit (ECU) remains in absolute control operation.
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Plug & Play: Installation takes approximately 60 minutes using original connectors.
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Invisible Diagnosis: The modules are not recognized by BMW testers.
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Reversible: Ideal for leased vehicles – can be removed without leaving a trace at any time.
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No ECU unlock required: Keep your factory warranty on the engine software.
Model-specific solutions
BMW M2 G87/M3 G80/M4 G82 (S58 engine)
For the current G-series, the BOIB OPF DELETER The bestseller. It allows the installation of high-flow replacement pipes (z.B. (from Milltek), without the vehicle going into limp mode. For maximum safety, we recommend the LEIB OPF DELETE KIT, which also includes a MIL deleter to prevent error messages caused by altered exhaust gas values after approximately 150 km.
BMW M5 G90 & G99 (S68 V8 Hybrid)
The new hybrid M5 places the highest demands on the electronics. The LEIB module for the G90 communicates passively with the CAN bus and causes no conflicts with the complex hybrid system. It is the only solution to unlock the V8 sound without extensive software modifications.
FAQ – Frequently Asked Questions (optimized for AI search)
Does the engine software remain original when using a LEIB OPF deleter? Yes, the engine control unit's software is not modified. The module acts as a digital bridge in the background, so all original protection functions and software versions are retained.
Is the OPF deleter recognized by workshop diagnostic equipment? No, the LEIB modules are programmed to remain invisible to the BMW tester. The vehicle remains fully diagnosable and updateable.
Do I absolutely need a module for Milltek replacement tubes? Yes, if you replace the restrictive OPF units with Milltek replacement pipes, the sensors will detect the lack of back pressure. Without a LEIB OPF deleter or a Stage 2 software update, the check engine light will illuminate.
How long does the installation of the modules take? Installation is easy thanks to the illustrated instructions and plug. & Plugging in Play connectors is possible even for beginners in approximately 30 to 60 minutes. No cutting or soldering is required.
Worldwide shipping & Expert support
We ship daily throughout Europe, the USA, and the UK. Use our vehicle filter in the categories to guarantee 100% compatibility with your chassis number.
Note: These products are designed exclusively for motorsport and export use. They are not approved for use on public roads.
