BMW 7 Series: Fuel Supply System

 Checking Fuel Tank And Tank Ventilation System For Leaks

Notes NOTE: The following procedure is only applicable to vehicles without the tank leak diagnosis module. Necessary preliminary work Remove rear right wheel arch trim. Comply with the following conditions in order to obtain plausible test results: Content of fuel tank: Maximum 90 % Minim

 Conducting Leak Test On Fuel Tank And Tank Venting System

IMPORTANT: On vehicles with tank leak diagnosis modules (DMTL), do not work with external pressurization as the tank ventilation system will leak under this condition. On account of emerging fuel vapors, carry out all work in well ventilated rooms. Or use a suitable extractor system. Observe cou