This bulletin applies to 2016 BMW 2-series, 3-series and 4-series vehicles. If a thumping noise is heard from the front axle during slow speed turning, the noise most typically occurs at ambient temperatures above 75 degrees F and at normal engine operating temperature. The affected vehicles are outfitted with a specific steering gear, and more importantly, a problematic tie rod.
If you experience an oil leak from the turbocharger return line on a 2 Series, 3 Series, 4 Series, 5 Series or 6 Series BMW, the leak may be at the exhaust turbo oil return line at the connection to the turbo.
This bulletin applies to all BMW 3, 4, 5 or 6 series vehicles equipped with a wheel bolt pattern of 5 x 120 and 3, 4, 5, 6, 7 or 8 series equipped with a wheel bolt pattern of 5 x 112.