Connection diagram, vacuum activation (N63) (X6 xDrive 50i)

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Screw connection (1) vacuum reservoir cylinders 1 to 4.

Connection (2) to vacuum pump.

Connection (3) to electropneumatic pressure converter (EPDW).

Vacuum reservoir (4) cylinder (1 to 4).

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Slide on molded hose (1) for exhaust turbocharger cylinders 5 to 8.

Color code black/blue.

Courtesy of BMW OF NORTH AMERICA, INC.

Slide on molded hose (1) for exhaust turbocharger cylinders 1 to 4.

Color code black/red.

Courtesy of BMW OF NORTH AMERICA, INC.

Connection (1) connection OUT cylinders 5 to 8 color code blue.

Connection (2) connection VAC cylinders 5 to 8 color code black.

Connection (3) connection OUT cylinders 1 to 4 color code red.

Connection (4) connection VAC cylinders 1 to 4 color code black.

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Installation note: 

Observe diagnosis instructions.

Perform exhaust turbocharger test.