16 19 110 Removing and installing/replacing evaluation unit at active tank

Overview of Activities 

Preprocesses 

1. Remove front right wheel. See  1.
2. Remove trim on right wheel arch. See  2.
3. Remove front wheel arch cover on right. See  3.

   Keyprocesses 

4. Remove the evaluation unit on active tank. See  4.
5. Install the evaluation unit on active tank. See  5.

   Postprocesses 

6. Install front right wheel arch cover. See  6.
7. Install trim on right wheel arch. See  7.
8. Clean contact surface of brake disc and hub. See  8.
9. Clean contact surface of wheel. See  9.
10. Grease wheel centering in wheel. See  10.
11. Install front right wheel. See  11.

Additional Information 

Overview of Tightening Torques 

Overview Special Tool 

0 492 518 (36 1 300) Adapter 

Fig 1: Identifying Adapter (36 1 300)

Courtesy of BMW OF NORTH AMERICA, INC.

0 496 521 (00 2 230) Pliers 

Fig 2: Moving Pliers (00 2 230)

Courtesy of BMW OF NORTH AMERICA, INC.

Preprocesses 

1. Remove front right wheel 
   NOTE: Notify customers to regularly check the tire pressure (see Owner's Handbook) to prevent tire damage!
   NOTE: After adaptation of the tire pressure, the Run Flat Indicator must always be reinitialised.
   NOTE: Please refer to the Owner's Handbook of the vehicle for the initialization procedure.
   • To loosen the lockable wheel bolts, use a matching adapter from special tool 0 492 518 (36 1 300)  .
     Fig 3: Identifying Special Tool (36 1 300)

     Courtesy of BMW OF NORTH AMERICA, INC.
     NOTE: Wheel is balanced electronically!
   • Observe the following procedure to prevent clamping errors and imbalance:
   • Position the wheel so that the valve (see illustration below) is at the bottom.
   • If several wheels are simultaneously removed, mark the position of the wheels on the vehicle with chalk on the wheels (e.g. "FL" for front left, etc.).
   • Mark wheel to wheel hub.
   • If applicable, mark lockable wheel bolts on the wheel.
   • Unscrew wheel bolts.
   • Remove wheel.
     Fig 4: Locating Wheel Bolts

     Courtesy of BMW OF NORTH AMERICA, INC.
2. Remove trim on right wheel arch 
   NOTE: Description is for left component only. Procedure on the right side is identical.
   • Loosen blind rivet (1). Unclip the cover (2) outwards.
     Fig 5: Identifying Wheel Arch Blind Rivet And Cover

     Courtesy of BMW OF NORTH AMERICA, INC.
3. Remove front wheel arch cover on right 
   NOTE: Description is for left component only. Procedure on the right side is identical.
   • Loosen expanding rivets (1) and screws (2) and (3).
     Fig 6: Identifying Wheel Arch Rivet And Screw

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Release expanding rivet (1) and nut (2).
   • Loosen screws (3) and (4).
   • Feed wheel arch cover out downwards.
     Fig 7: Identifying Wheel Arch Cover Expanding Rivet And Nut

     Courtesy of BMW OF NORTH AMERICA, INC.

   Keyprocesses 

4. Remove the evaluation unit on active tank 
   • Disconnect plug connection (1).
   • Turn evaluation unit (2) a quarter turn in direction of arrow and remove.
     Fig 8: Turning Evaluation Unit

     Courtesy of BMW OF NORTH AMERICA, INC.
5. Install the evaluation unit on active tank 
   • Insert evaluation unit (2) on holder and rotate/or clock by 90° in the direction of the arrow.
   • Connect plug connections (1).
     Fig 9: Installing Evaluation Unit On Active Tank

     Courtesy of BMW OF NORTH AMERICA, INC.

   Postprocesses 

6. Install front right wheel arch cover 
   NOTE: Description is for left component only. Procedure on the right side is identical.
   NOTE: Make sure all covers in wheel arch are correctly fitted in relation to each other!
   • Rear cover (1) covers front cover (2).
   • Cover (4) covers rear cover (1).
   • Cover (3) covers cover (2) (4) and rear cover (1) in area (B).
     Fig 10: Identifying Wheel Arch Cover

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Feed in wheel arch cover.
   • Install expanding rivet (1) and tighten nuts (2).
   • Tighten down screws (3) and (4).
     TIGHTENING TORQUES SPECIFICATION
     
     

     Underbody panelling on body
     Screw	3 Nm
     Nut	2.5 Nm

     Fig 11: Identifying Wheel Arch Cover Rivet And Nuts

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Install expanding rivets (1) and tighten bolts (2) and (3).
     TIGHTENING TORQUES SPECIFICATION
     
     

     Underbody panelling on body
     Screw	3 Nm
     Nut	2.5 Nm

     Fig 12: Identifying Expanding Rivet And Screw

     Courtesy of BMW OF NORTH AMERICA, INC.
7. Install trim on right wheel arch 
   NOTE: Description is for left component only. Procedure on the right side is identical.
   • Check latch mechanisms (1) on cover (2) for damage and replace cover if necessary.
     Fig 13: Identifying Wheel Arch Latch Mechanisms And Cover

     Courtesy of BMW OF NORTH AMERICA, INC.
   • Install trim on wheel arch. Apply blind rivets (1) with special tool 0 496 521 (00 2 230)  .
     Fig 14: Identifying Wheel Arch Blind Rivet And Cover

     Courtesy of BMW OF NORTH AMERICA, INC.
8. Clean contact surface of brake disc and hub 
   NOTE: Contact surfaces between brake disc/wheel and brake disc/wheel hub must be clean and free of grease.
   NOTE: Do not operate special tool with an impact screwdriver!
   • Remove dirt, grease and corrosion from contact surface with a drill and special tool 81 25 2 344 011.
   • Degrease contact surface with cleaning agent, refer to BMW Parts Department.
     Fig 15: Identifying Special Tool (81 25 2 344 011)

     Courtesy of BMW OF NORTH AMERICA, INC.
9. Clean contact surface of wheel 
   NOTE: Contact surfaces between brake disc/wheel and brake disc/wheel hub must be clean and free of grease.
   NOTE: Do not operate special tool with an impact screwdriver!
   • Remove dirt, grease and corrosion from contact surface with a drill and special tool 81 25 2 344 011.
   • Degrease contact surface with cleaning agent, refer to BMW Parts Department.
   • If grease is present in area of wheel bolt hole, remove brake disc and clean.
     Fig 16: Identifying Special Tool (81 25 2 344 011)

     Courtesy of BMW OF NORTH AMERICA, INC.
10. Grease wheel centering in wheel 
    • Grease wheel centering (1) in wheel thinly. Refer to OPERATING FLUIDS .
      Fig 17: Identifying Wheel Centering

      Courtesy of BMW OF NORTH AMERICA, INC.
11. Install front right wheel 
    NOTE: Clean wheel bolts and check threads for damage, replace, if necessary. Replace corroded wheel bolts.
    • Check brake disc mounting bolt (1) for tight fit!
      TIGHTENING TORQUES SPECIFICATION
      
      

      Front brake disc to wheel hub
      M8x14	16 Nm
      Replace screw.

      TIGHTENING TORQUES SPECIFICATION
      
      

      Rear brake disc to wheel hub
      M8x14	16 Nm
      Replace screw.

      Fig 18: Identifying Brake Disc Mounting Bolt

      Courtesy of BMW OF NORTH AMERICA, INC.

      » Mounting bolt (1) may not under any circumstances protrude over contact surface (2) between brake disc and wheel.

    • To tighten the lockable wheel bolts, use a matching adapter from special tool 0 492 518 (36 1 300)  .
      Fig 19: Identifying Special Tool (36 1 300)

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Observe the following procedure to prevent clamping errors and imbalance:
    • Wheel positioned with valve facing down.
    • Align wheel marking with wheel hub marking.
    • Install lockable wheel bolt for marking on wheel.
      Fig 20: Locating Wheel Bolts

      Courtesy of BMW OF NORTH AMERICA, INC.
      NOTE: Under no circumstances use pneumatic or electric screwdrivers to install and tighten the wheel bolts.
      NOTE: Wheel must rest uniformly against the brake disc. In case of non-original BMW wheel bolts/wheels, it may be necessary to retighten wheel bolts due to setting properties (pay attention to manufacturer data).
    • Fit wheel bolts and evenly tighten crosswise by hand in order to center the disc wheel.
      Fig 21: Tightening Wheel Bolts

      Courtesy of BMW OF NORTH AMERICA, INC.
    • Tighten wheel bolts crosswise using a calibrated torque wrench to the specified tightening torque.
      TIGHTENING TORQUES SPECIFICATION
      
      

      Wheel bolt
      M14	140 Nm
      After installation, torque of all wheel bolts must be checked again. Wheel bolts must not be oiled!