TSB's

Upside-Down BMW Gasket

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

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

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