Attaching the front left wheel

Clean the contact surfaces between the brake disc and the wheel rim 

• Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011 .

  Do not operate special tool 2 344 011 with an impact screwdriver.

• Degrease the contact surfaces with the universal cleaner (see BMW Group parts sales).
• In the event of grease residue in the area of the wheel bolt holes, remove and clean the brake disk.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011 .

  Do not operate special tool 2 344 011 with an impact screwdriver.

• Degrease the contact surfaces with the universal cleaner (see BMW Group parts sales).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Check the mounting bolt for the brake disc (1)  for secure fit.

  The mounting bolt for the brake disk (1)  may not  protrude on the contact surface (2)  between the brake disc and the wheel rim.

  Tightening torques
  
  

  Brake disc to front wheel hub
  M8	tightening torque	16 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

  Tightening torques
  
  

  Brake disc to rear wheel hub
  M8	tightening torque	16 Nm

• Lightly grease the wheel centering (1)  in the wheel rim.

  See GREASE FOR WHEEL-CENTERING SPIGOTS for further information on grease for the wheel centering.

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: TECHNICAL INFORMATION 
  Never use an impact screwdriver or electric screwdriver to apply and tighten the lug bolts.
  The rim must rest evenly against the brake disc.
  In the case of non-original BMW lug bolts/wheel rims, it may be necessary to retighten the lug bolts on user account of setting properties (refer to the documentation from the manufacturer).
  Do not apply oil to new lug bolts.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace corroded lug bolts.
• Clean the lug bolts and check the threads for damage, replace the lug bolts if necessary.
• Attach and tighten the lug bolts.

Mounting the wheel 

Clean the contact surfaces between the brake disc and the wheel rim 

• Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011 .

  Do not operate special tool 2 344 011 with an impact screwdriver.

• Degrease the contact surfaces with the universal cleaner (see BMW Group Parts Catalog).
• If there are grease deposits in the area of the wheel bolt holes, remove and clean the brake disc.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove dirt, grease residues and corrosion from the contact surface with a drill and the special tool 2 344 011 .

  Do not operate special tool 2 344 011 with an impact screwdriver.

• Degrease the contact surfaces with the universal cleaner (see BMW Group Parts Catalog).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Check if the mounting bolt (1) for the brake disk has been fitted correctly.

  The mounting bolt (1) for the brake disk cannot  protrude on the contact surface (2) between the brake disk and the rim.

  Tightening torques
  
  

  Brake disc to front wheel hub
  M8	tightening torque	16 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

  Tightening torques
  
  

  Brake disc to rear wheel hub
  M8	tightening torque	16 Nm

• Lightly grease the wheel centering (1) in the rim.

  See GREASE FOR WHEEL-CENTERING SPIGOTS for further information for grease for the wheel centering (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  Check 

• Check lug bolts for wear  .

  Courtesy of BMW OF NORTH AMERICA, INC.

  Result 

  » Spots (> 30%) of the bearing surface (1) of the taper on the screw head show silvery wear.

  Measure

• Replace lug bolts.
  NOTE: TECHNICAL INFORMATION 
  Never use an impact screwdriver or electric screwdriver to apply and tighten the lug bolts.
  The rim must rest evenly against the brake disc.
  In the case of non-original BMW lug bolts/wheel rims, it may be necessary to retighten the lug bolts on user account of setting properties (refer to the documentation from the manufacturer).
  Do not apply oil to new lug bolts.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the corroded lug bolts (arrows).
• Clean the lug bolts (arrows).
• Check the lug bolts (arrows) and threads for damage, replace lug bolts if necessary.
• Join and tighten the lug bolts (arrows).
  Tightening torques
  
  

  Lug bolts
  M 14/Key range 17 Screw in the lug bolts and tighten them crosswise and evenly by hand to center the rim. Tighten lug bolts to the prescribed tightening torque with a calibrated torque wrench in a crosswise sequence. Check all the lug bolts in the same order or retighten to the prescribed tightening torque again.	tightening torque	140 Nm
  	Check	140 Nm