52 13 015 Removing and installing / replacing controls on left / right front seat (normal / manual)

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Height of front seat must be set to top maximum setting.
Remove cover,
refer to 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL)

Check back-rest clearance:

Seat height (SHV) and back-rest adjustment (LNV) must be correctly locked. To do this, actuate lever and front seat once only.

(A) = 0.5... 4.1 mm (LNV)

(B) = 0.5... 5.6 mm (SHV)

IMPORTANT: If inspection dimension is outside tolerance, seat frame must be replaced,

refer to 52 13 020 REMOVING AND INSTALLING / REPLACING SEAT FRAME ON LEFT/RIGHT FRONT SEAT (NORMAL/ MANUAL)

or the controls must be replaced.

Rework is not permitted!

Fig 1: Inspecting Dimension Is Outside Tolerance Seat Frame

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not fold or extend cover beyond edge (function error).

Fig 2: Identifying Extend Cover Beyond Edge (Function Error)

Courtesy of BMW OF NORTH AMERICA, INC.

Remove actuating unit:

Remove front seat,

refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL)

Disconnect Bowden cable for longitudinal adjustment from controls,

refer to 52 13 014 REPLACING BOWDEN CABLE FOR LONGITUDINAL ADJUSTMENT ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)

Press plate (1) forwards and slide actuating rod (2) upwards out of back-rest adjustment.

Fig 3: Disconnecting Bowden Cable For Longitudinal Adjustment From Controls

Courtesy of BMW OF NORTH AMERICA, INC.

Slide back-rest adjustment lever.

Remove screws (1 and 2).

Slide controls downwards out of guides (3).

IMPORTANT: Do not lift actuating unit out to side or twist (risk of damage to "seat frame(".

Installation:

If the tightening torque is not reached (screw rotates), use repair screws (Sourcing Reference: BMW Parts Service).

Fig 4: Removing Screws From Slide Back-Rest

Courtesy of BMW OF NORTH AMERICA, INC.

Slide actuating unit (1) backwards and disconnect actuating rod (2) for seat height adjustment.

Installation:

Check back-rest clearance.

Fig 5: Disconnecting Actuating Rod For Seat Height

Courtesy of BMW OF NORTH AMERICA, INC.