52 17 726 Removing and installing/replacing seat mechanism on left or right front seat

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Necessary preliminary tasks:

Remove seat and backrest cover with upholstery. See 52 14 407 REPLACING BACKREST COVER FOR DRIVER'S SEAT (NORMAL/ELECTRIC) , 52 14 408 REPLACING BACKREST COVER FOR FRONT PASSENGER SEAT (NORMAL/ELECTRICAL) , 52 16 407 REPLACING BACKREST COVER (SPORT) FOR DRIVER'S SEAT or 52 16 408 REPLACING BACKREST COVER (SPORT) FOR FRONT PASSENGER SEAT .

Replacement:

Only with comfort seat with active seat before model revision (without REMA seat belt):

Saw off tab (1) along the line (2).

NOTE: The version with the REMA seat belt uses the tab (1) as an attachment point.
In this version, the tab (1) may not be removed.

Fig 1: Identifying REMA Seat Belt Tab

Courtesy of BMW OF NORTH AMERICA, INC.

Swap over the following parts according to version:

Seat Belts . See 72 11 001 REMOVING AND INSTALLING/REPLACING FRONT SEAT BELT COMPLETELY ON THE FRONT LEFT or 72 11 002 REMOVING AND INSTALLING/REPLACING FRONT SEAT BELT (COMPLETE) .
Lower strap . See 72 11 070 REMOVING AND INSTALLING/REPLACING FRONT LOWER STRAP FITTING (BELT TENSIONER), DRIVER'S SEAT or 72 11 071 REMOVING AND INSTALLING/REPLACING FRONT LOWER STRAP FITTING (BELT TENSIONER), FRONT PASSENGER SEAT .
Release mechanism . See 52 14 034 REMOVING AND INSTALLING/REPLACING RELEASE MECHANISM ON FRONT SEAT (NORMAL/SPORTS SEAT) LEFT OR RIGHT or 52 17 037 REMOVING AND INSTALLING/REPLACING RELEASE MECHANISM ON LEFT OR RIGHT FRONT SEAT (COMFORT SEAT) .
Lumbar support, pump and valve unit. See 52 14 060 REMOVING AND INSTALLING/REPLACING VALVE BODY FOR LEFT OR RIGHT FRONT LUMBAR SUPPORT ; 52 14 125 REPLACING LEFT LUMBAR SUPPORT VALVE UNIT or 52 14 127 REPLACING THE VALVE UNIT FOR RIGHT LUMBAR SUPPORT .
Pump for active seat . See 52 17 028 REMOVING AND INSTALLING/REPLACING PUMP FOR PRESSURE DISTRIBUTOR ; 52 17 120 REPLACING LEFT ACTIVE SEAT OF PUMP or 52 17 122 REPLACING RIGHT ACTIVE SEAT OF PUMP .
Upholstery set for active seat . See 52 17 130 REPLACING LUMBAR SUPPORT SET ON LEFT or 52 17 132 REPLACING LUMBAR SUPPORT SET ON RIGHT .
Exhaust camshaft adjuster for thigh support . See 52 17... REMOVING AND INSTALLING/REPLACING ADJUSTING UNIT FOR THIGH SUPPORT (ELECTRIC) ON FRONT SEAT or 52 16... REMOVING AND INSTALLING/REPLACING ADJUSTING UNIT FOR THIGH SUPPORT (MANUAL) ON FRONT SEAT .
EXHAUST CAMSHAFT ADJUSTER FOR BACKREST WIDTH ADJUSTMENT .
CONTROL UNIT/MODULE FOR SEAT ADJUSTMENT .
Wiring harness