Mounting the wheel

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

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• 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 applicable BMW parts Catalogue).
• If there are grease deposits in the area of the wheel bolt holes, remove and clean the brake disc.
• 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 applicable BMW parts Catalogue).

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• Check that the mounting bolt (1) for the brake disc is securely seated.

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

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Brake disc to front wheel hub
  M8	tightening torque	16 Nm

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Brake disc to rear wheel hub
  M8	tightening torque	16 Nm

• Thinly grease the wheel centering (1) in the wheel rim.
  CONSUMABLE SPECIFICATION
  
  

  Brake block paste  * TU = Trade Unit. TU numbers cannot be ordered! For invoicing purposes only.	3g, Bag	83192158851
  	100 g, Tube	83192158852
  	5g, TU*	83230140233

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• Coat the wheel hubs at the front and rear in area (1) with a thin layer of grease to protect them from corrosion.

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• In vehicles with M Carbon ceramic brake:  The wheel assembly jack must be used to install the wheel (see BMW applicable BMW Workshop Equipment).

  This process is intended to prevent damage to the brake disc.

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  Check 

• Check lug bolts for wear. 

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  Result 

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

  Measure 

  • Replace lug bolts.

  Parts:  Lug bolts

  NOTE: TECHNICAL INFORMATION 
  A wheel lifter is recommended for easier wheel removal and installation without exertion (see BMW Equipment Catalog).

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  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.

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• Replace the corroded lug bolts (arrows).

  Parts:  Lug bolts

• Clean the lug bolts (arrows).
• Check lug bolts (arrows) and threads for damage, replace lug bolts (arrows) if necessary.
• Join and tighten the lug bolts (arrows).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Lug bolts
  M 14/key range 17 Screw in lug bolts and evenly tighten crosswise by hand in order to center the wheel 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

Follow-up work 

• Refer to RESETTING THE TIRE PRESSURE MONITOR .