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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Engine - Tightening Torques) >> Exhaust Manifold (N55, N20, N52) >> 11 62 Exhaust manifold

11 62 Exhaust manifold

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - EXHAUST MANIFOLD

  Type Thread Tightening specification Measure
1AZ Exhaust manifold to cylinder head
Coat screw connections with CRC copper paste
All M6 Replace nuts 10 Nm
M50/M52/M52TU/M54/M56/S52/S50 US M7 Replace nuts 20 Nm
All/others M7 Replace nuts 15 Nm
M10 M8 Upper row of stay bolts installed with bolt cement  
  23 Nm
M21 M8   12 Nm
Replace nuts
Retighten after 2000 km
Slacken nuts by a 1/4 turn
 
  12 Nm
M41/M47/M47TU/M51/M57/M57TU M8 Replace nuts 20 Nm
All/others M8 Replace nuts 23 Nm