Cooper S Convertible (R57) L4-1.6L Turbo (N14) (2009)
Fuel Pressure: Testing and Inspection
Pressure Line Leak Test
13 53 ... - Pressure line leak test
Warning!
-
Scalding hazard!
-
Rotating components (risk of injury!)
Necessary preliminary tasks:
-
Remove intake filter housing See: Air Cleaner Housing/Service and Repair
-
Bring engine up to operating temperature
Important!
Air bubbles form continuously in the event of a leak!
Static air bubbles indicate that there is no leak. They may be caused by the leak detector spray or when the leak detector agent liquefies.
Apply leak detector spray* in area of screw connection (1) of delivery line (2).
* Sourcing reference: BMW Parts Service
Repeat procedure several times and check for bubbles with telescopic mirror in the entire screw connection area (1).