DMTL System Deactivation in BMW

The DMTL (Diagnostic Module Tank Leakage) system is responsible for checking the fuel system for leaks, ensuring that no fuel vapors escape into the atmosphere. While its malfunction typically doesn't affect vehicle performance, it often triggers a persistent "Check Engine" warning.
Main Reasons for DMTL Deactivation:● Constant "Check Engine" light● Failure of the DMTL module or ventilation valve● Leaks, cracks, or contamination in the system● Persistent errors even after sensor replacement● Lack of original parts or their high cost
What We Offer:● Software deactivation of the DMTL system in the DME unit● EVAP system monitoring disablement● Removal of related error codes● No impact on other engine functions or diagnostics
Results:● No more "Check Engine" light due to DMTL issues● Stable engine performance● No risk of fuel system malfunctions