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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (ANTI-LOCK BRAKES/TRACTION CONTROL SYSTEM - 745i & 745Li) >> Removal & Installation >> DSC Control Module >> Removal & Installation

Removal & Installation

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 BMW 745i, 2004 BMW 745Li, 2003 BMW 745i, 2003 BMW 745Li, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before removing DSC Control module, read out fault memory and, if necessary, print out trouble code.
  2. Detach water reservoir (1) and place to one side. See Fig 1 .
  3. Unfasten plug connection lock (1) in direction (2). Detach plug connection (1) in direction (3) vertically towards top. See Fig 2 .
  4. Release screws (1) and detach control module (2) from hydraulic unit. See Fig 3 .
  5. Before installation, check sealing surface (1) between control module and hydraulic unit for damage. Clean sealing surface. Do not use tools with sharp edges or aggressive cleaning agents. Check contact lugs (2) for corrosion or damage. Replace hydraulic unit if sealing surface or contact lugs are damaged. See Fig 4 .
  6. Carefully push control module (1) onto hydraulic unit (2). Ensure solenoid coils are not tilted. See Fig 5 .
  7. Housing edge of control module (1) must slide over extension on hydraulic unit (2). See Fig 6 .
  8. Install (do not tighten down) NEW screws (1 and 2) uniformly until control module rests evenly on hydraulic unit. Install new screws (3-6), do not tighten down. Tighten down screws (1-6) in specified sequence. See Fig 7 .
  9. Tighten screws to specification. See TORQUE SPECIFICATIONS  .
  10. Position plug connection vertically on control module so as to avoid damaging pins. Slide connector lock into place.
Fig 1: Locating Water Reservoir
G00148457Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Disconnecting Plug Connection
G00148222Courtesy of BMW OF NORTH AMERICA, INC.
Fig 3: Detaching Control Module From Hydraulic Unit
G00148223Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Checking Sealing Face & Contact Lugs
G00148224Courtesy of BMW OF NORTH AMERICA, INC.
Fig 5: Pushing Control Module Onto Hydraulic Unit
G00148225Courtesy of BMW OF NORTH AMERICA, INC.
Fig 6: Locating Edge Of Control Module
G00123212Courtesy of BMW OF NORTH AMERICA, INC.
Fig 7: Control Module Screws Torque Sequence
G00123213Courtesy of BMW OF NORTH AMERICA, INC.
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