Affected Engines:
M47N / M47TU / M47TUD20 110 kW (148 HP), 330 Nm
-E46 320d/318d (2001-2005)
-E83 X3 2.0d (to the end of 2006 r)
M47TU2D20 (since 2004) 120 kW (161 HP), 340 Nm
-E60/E61 520d
-E87 120d
-E90/E91 320d
-E83 X3 2.0d (since 2006)
In the four-cylinder engines were always 22 mm swirl flaps.