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11 7 390 Complete pressure testing fixture

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Fig 1: Identifying 11 7 390 Complete Pressure Testing Fixture
G03110058Courtesy of BMW OF NORTH AMERICA, INC.
PRESSURE TESTING FIXTURE SPECIFICATION

Note: For closing off coolant outlet openings when pressure-testing cylinder head for water leaks
Engine: M52TU, M54, M56
Order number: 11 7 390
Complete pressure testing fixture
Consisting of: 1 =11 7 391 Sealing strip with 7 lugs
2 = 11 7 392 Sealing strip with 5 lugs
3 = 11 7 393 Cover plate
Note: For cylinder head sealing face
4 = 11 7 394 Support bracket
Note: With pressure spindle and mounting screw for 11 7 393
5 = 11 7 395 Screw plug
Note: With air connection
6 = 11 7 396 Cover plate, end face
7 = 11 7 397 Spindle
Note: With thrust piece for 11 7 396
8 = 11 7 398 Screw plug, intake side