FixVault

11 11 Engine block

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE BLOCK - TIGHTENING TORQUE SPECIFICATIONS

  Type Thread Tightening specification Measure
1AZ Main bearing screws M10 / M20 / M30 M10 Replace, wash and oil screws 60 Nm
  M21 M10 Replace, wash and oil screws 65 Nm
  S38 / S14 / M40 / M42 / M43 / M43TU / M44 / M50 / M41 / M51 / S50 / S50 US M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
  M47 / M57 M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  M47TU / M57TU M10 Replace, wash and oil screws  
      Jointing torque 22 Nm
      Torque angle 90 °
  M67 M12 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 200 °
  S54 M10 Replace, wash and oil screws  
      Jointing torque 25 Nm
      Torque angle 50 °
2AZ Main bearing screws M70 / S70 / M73 M10 Replace screws Do not wash off screw coating  
      Jointing torque 20 Nm
      Torque angle 70 °
  M60 / M62 M10/M11 Replace screws Do not wash off screw coating  
    M10/M11 Jointing torque 20 Nm
    M10 Torque angle 70 °
    M11 Torque angle 100 °
  M54 / M56 / M52TU / M52 / with aluminum engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  S52 / M52 / with cast iron engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
3AZ Taper screw mount on main bearing        
Screws and spacer bolts M60 / M62 / M70 / S70 / M73 / S62 M8 Replace screws  
      Jointing torque 20 Nm
      Torque angle 45 °
  N62 / N73 M8   34 Nm
Threaded support sleeves M70 / M60 / M62 / S70 / M73 / S62     10 Nm
  N62 / N73     6 Nm
4AZ Struts/bracing shell M67 M10.9   66 Nm
  all others M10   43 Nm
  All M8   22 Nm
5AZ Drain plug for coolant in engine block All M14 x 1.5   25 Nm
6AZ Main oil gallery seal plugs All M16 x 1.5   34 Nm
  All M 18x1.5   40 Nm
  N62 / N73 M 18x1.5 Insert screw with Loctite 25 Nm
  N40 / N42 / N45 / N46 M 16x1.5   36 Nm
Main oil gallery, rear (seal plugs with control valve) M62 / S62 M18x1   10 Nm
7AZ Oil spray nozzle on engine block All M6   10 Nm
Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) M73 M8x1   5 Nm
Oil spray nozzle to engine block (banjo bolt) all others M8x1   12 Nm
8AZ Pressure holding valve to crankcase (1bar) S54 / B32     20 Nm


ENGINE BLOCK - TIGHTENING TORQUE SPECIFICATIONS

Type Thread Tightening specification Measure
1AZ Main bearing screws M10 / M20 / M30 M10 Replace, wash and oil screws 60 Nm
  M21 M10 Replace, wash and oil screws 65 Nm
  S38 / S14 / M40 / M42 / M43 / M43TU / M44 / M50 / M41 / M51 / S50 / S50 US M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
  M47 / M57 M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  M47TU / M57TU M10 Replace, wash and oil screws  
      Jointing torque 22 Nm
      Torque angle 90 °
  M67 M12 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 200 °
  S54 M10 Replace, wash and oil screws  
      Jointing torque 25 Nm
      Torque angle 50 °
2AZ Main bearing screws M70 / S70 / M73 M10 Replace screws Do not wash off screw coating  
      Jointing torque 20 Nm
      Torque angle 70 °
  M60 / M62 M10/M11 Replace screws Do not wash off screw coating  
    M10/M11 Jointing torque 20 Nm
    M10 Torque angle 70 °
    M11 Torque angle 100 °
  M54 / M56 / M52TU / M52 / with aluminum engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  S52 / M52 / with cast iron engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
3AZ Taper screw mount on main bearing        
Screws and spacer bolts M60 / M62 / M70 / S70 / M73 / S62 M8 Replace screws  
      Jointing torque 20 Nm
      Torque angle 45 °
  N62 / N73 M8   34 Nm
Threaded support sleeves M70 / M60 / M62 / S70 / M73 / S62     10 Nm
  N62 / N73     6 Nm
4AZ Struts/bracing shell M67 M10.9   66 Nm
  all others M10   43 Nm
  All M8   22 Nm
5AZ Drain plug for coolant in engine block All M14 x 1.5   25 Nm
6AZ Main oil gallery seal plugs All M16 x 1.5   34 Nm
  All M 18x1.5   40 Nm
  N62 / N73 M 18x1.5 Insert screw with Loctite 25 Nm
  N40 / N42 / N45 / N46 M 16x1.5   36 Nm
Main oil gallery, rear (seal plugs with control valve) M62 / S62 M18x1   10 Nm
7AZ Oil spray nozzle on engine block All M6   10 Nm
Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) M73 M8x1   5 Nm
Oil spray nozzle to engine block (banjo bolt) all others M8x1   12 Nm
8AZ Pressure holding valve to crankcase (1bar) S54 / B32     20 Nm


ENGINE BLOCK - TIGHTENING TORQUE SPECIFICATIONS

  Type Thread Tightening specification Measure
1AZ Main bearing screws M10 / M20 / M30 M10 Replace, wash and oil screws 60 Nm
  M21 M10 Replace, wash and oil screws 65 Nm
  S38 / S14 / M40 / M42 / M43 / M43TU / M44 / M50 / M41 / M51 / S50 / S50 US M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
  M47 / M57 M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  M47TU / M57TU M10 Replace, wash and oil screws  
      Jointing torque 22 Nm
      Torque angle 90 °
  M67 M12 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 200 °
  S54 M10 Replace, wash and oil screws  
      Jointing torque 25 Nm
      Torque angle 50 °
2AZ Main bearing screws M70 / S70 / M73 M10 Replace screws Do not wash off screw coating  
      Jointing torque 20 Nm
      Torque angle 70 °
  M60 / M62 M10/M11 Replace screws Do not wash off screw coating  
    M10/M11 Jointing torque 20 Nm
    M10 Torque angle 70 °
    M11 Torque angle 100 °
  M54 / M56 / M52TU / M52 / with aluminum engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 70 °
  S52 / M52 / with cast iron engine block M10 Replace, wash and oil screws  
      Jointing torque 20 Nm
      Torque angle 50 °
3AZ Taper screw mount on main bearing        
Screws and spacer bolts M60 / M62 / M70 / S70 / M73 / S62 M8 Replace screws  
      Jointing torque 20 Nm
      Torque angle 45 °
  N62 / N73 M8   34 Nm
Threaded support sleeves M70 / M60 / M62 / S70 / M73 / S62     10 Nm
  N62 / N73     6 Nm
4AZ Struts/bracing shell M67 M10.9   66 Nm
  all others M10   43 Nm
  All M8   22 Nm
5AZ Drain plug for coolant in engine block All M14 x 1.5   25 Nm
6AZ Main oil gallery seal plugs All M16 x 1.5   34 Nm
  All M 18x1.5   40 Nm
  N62 / N73 M 18x1.5 Insert screw with Loctite 25 Nm
  N40 / N42 / N45 / N46 M 16x1.5   36 Nm
Main oil gallery, rear (seal plugs with control valve) M62 / S62 M18x1   10 Nm
7AZ Oil spray nozzle on engine block All M6   10 Nm
Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) M73 M8x1   5 Nm
Oil spray nozzle to engine block (banjo bolt) all others M8x1   12 Nm
8AZ Pressure holding valve to crankcase (1bar) S54 / B32     20 Nm