61 35 080 Removing And Installing (Replacing) Control Unit For Left Or Right Seat Adjustment (Front Seat)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 760Li, 2007 BMW 760Li, 2006 BMW 760Li, 2005 BMW 760Li, and 2004 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: In the event of a faulty seat module, new variants with a 30 mm wider housing will be used as replacements as of 03/2005.

The following SM variants are affected:

SM BA/M.
SM BA/M-HK.

In the event of a repair, some cables are laid a little tauter.

Necessary Preliminary Tasks:

Disconnect battery negative lead. Refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .

Unclip trim in upper rail at front (1) in direction of arrow and remove.

Fig 1: Front Upper Rail Trim And Removal Directions

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip trim in upper rail on outside (1) towards top, feed out towards rear and remove.

Fig 2: Outside Upper Rail Trim And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, illustration shows seat frame folded up.

Disconnect plug connections (1).

Unlock catches (2) towards rear, feed out control unit for seat adjustment (3) in direction of arrow and remove.

Fig 3: Seat Adjustment Control Unit, Plug Connections, Catches And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure mounts (1) and retaining lugs (2) of control unit for seat adjustment (3) are correctly seated.

Fig 4: Mounts, Retaining Lugs And Seat Adjustment Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out coding/programming.

Observe following IDC specifications:

Programming.
Coding.
Car & Key Memory.
CD "CIP".

Fig 5: Identifying Programming Unit
Courtesy of BMW OF NORTH AMERICA, INC.