This bulletin applies to 2016 BMW 328i XDrive vehicles equipped with a 2.9L engine. The exhaust turbocharger oil return line may leak at the connection to the turbocharger.

The asbestos-free gasket may have been installed incorrectly, flipped with the bead raised toward the turbocharger.

Replace the oil return line, gasket and the 16 x 2 mm O-ring. Mount the gasket so that the bead faces the oil return line flange.

PART................................ P/N

Oil pipe outlet................... 11 42 7 617 535

Gasket............................... 11 42 7 577 017

O-ring................................ 11 42 8 604 872

The oil return line gasket may be incorrectly flipped upside-down, with the gasket bead facing the turbo.

The oil return line gasket may be incorrectly flipped upside-down, with the gasket bead facing the turbo.

The correct installation requires the gasket bead to face the oil return line flange as shown here.

The correct installation requires the gasket bead to face the oil return line flange as shown here.

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