BMW 7 Owners & Service Manuals

BMW 7 Series: Manual Emergency Release Of Transmission Lock

Manual emergency release of transmission lock from inside vehicle is not possible with GA6HP/GA8HP gearboxes from 03/2010

  • From production date 04/2010 on, the transmission lock release cable is not fitted on:
  • F01/F02/F03 GA6HP from production date 03/2010
  • F01/F02/F03/F04 GA8HP from production date 09/2010
  • F07 GA8HP from production date 03/2010
  • F10 GA8HP from production date 06/2010

Releasing the transmission lock under the vehicle floor remains possible for towing purposes.

MANUALLY RELEASING TRANSMISSION LOCK

In the event of a power supply interruption, e.g. flat battery or electrical fault, the transmission lock must be manually released, otherwise the wheel will be locked and the vehicle cannot be moved.

IMPORTANT: Secure vehicle against rolling, e.g. with chocks.

Press the brake pedal when manually releasing the transmission lock, otherwise there is a risk that the vehicle will roll when the transmission lock is manually released.

If the parking brake has to be released as well, observe the following procedure:

1. First, manually release the PARKING BRAKE.

2. Then manually release the automatic transmission lock.

NOTE: Release tool is located in on-board tool kit.

Open lid of drinks holder (1).

Lift out drinks holder (1) and rubber mat (2) from drinks holder base.

Shift Valves, Parking Lock
Fig. 63: Identifying Drinks Holder And Rubber Mat Of Drinks Holder Base

Remove cover (1).

Shift Valves, Parking Lock
Fig. 64: Identifying Cover Of Drinks Holder Base

Releasing transmission lock

Insert release tool (1) into opening.

Turn release tool clockwise up to stop and press down.

Transmission lock is released!

Shift Valves, Parking Lock
Fig. 65: Releasing Transmission Lock Using Release Tool

Locking transmission lock

Pull out release tool in direction of arrow.

Transmission lock is locked.

Shift Valves, Parking Lock
Fig. 66: Pulling Out Release Tool In Direction Of Arrow

MANUALLY RELEASING PARKING LOCK (FROM UNDERNEATH VEHICLE) 6HP TRANSMISSION

For various tasks, it is necessary to unlock and lock the parking lock.

This can be done from inside the passenger compartment or underneath the vehicle.

Before unlocking the parking lock, secure the vehicle against rolling away.

In the event of a power supply interruption, e.g. flat battery or electrical fault, the parking lock must be manually released, otherwise the wheels will be locked and the vehicle cannot be moved.

Manual emergency release of parking lock from passenger compartment is not possible with GA6HP/GA8HP gearboxes from 03/2010

  • From production date 04/2010, the Bowden cable is no longer required for transmission unlocking for:
  • F01/F02/F03 GA6HP from production date 03/2010
  • F01/F02/F03/F04 GA8HP from production date 09/2010
  • F07 GA8HP from production date 03/2010
  • F10 GA8HP from production date 06/2010

Before removing the underbody panel, always check inside the vehicle to be certain the parking lock emergency release is not fitted.

From the vehicle underbody: Raise vehicle.

Manual emergency release of parking lock Graphic shows: GA6HP gearbox.

  • Remove UNDERBODY PROTECTION
  • Screw in bolt (1) with hexagon socket (SW5) until parking lock is released by lever (2).

Shift Valves, Parking Lock
Fig. 67: Tightening Bolt With Hexagon Socket (Sw5)

Then unscrew and remove screw (1).

Screw (1) should protrude 1.5 to 2.5 mm above thread lip (A).

Shift Valves, Parking Lock
Fig. 68: Identifying Protrude Dimension

From the vehicle underbody:

Raise vehicle.

Manual emergency release of parking lock:

Illustration shows GA8HP transmission.

  • Remove UNDERBODY PROTECTION
  • Screw in bolt (1) with hexagon socket (SW5) until parking lock is released by lever (2).
  • It is imperative that bolt is always replaced.
  • Clean thread with screw tap size M6X1, 0.

Shift Valves, Parking Lock
Fig. 69: Tightening Bolt With Hexagon Socket (Sw5)

Screw new micro-encapsulated screw (1) into thread.

IMPORTANT: Screwing in and adjusting of screw to 1.5 to 2.5 mm above thread lip (A) must occur within 3 minutes.

The screw may no longer be turned after 3 minutes (hardening of adhesive), otherwise it must be replaced.

Shift Valves, Parking Lock
Fig. 70: Identifying Thread Lip Dimension

From passenger compartment

  • Refer to MANUAL EMERGENCY UNLOCKING OF PARKING LOCK.

From underneath vehicle with Bowden cable

  • Illustration shows GA6HP transmission.
  • Remove rear UNDERBODY PROTECTION.
  • Press lever (1) towards rear.

    Clamp lever firmly if permanently unlocking is desired.

Locking

  • Release lever (1) or release clamping

Shift Valves, Parking Lock
Fig. 71: Releasing Lever

NOTES ON MECHATRONICS (GA6HP19Z/GA6HP26/GA6HP32Z)

Notes

IMPORTANT: After completing work:

  • Load specific data version with DIS.
  • Check TRANSMISSION OIL LEVEL.

    Use only TRANSMISSION FLUID.

    Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION).

Unscrew plug (1) and disconnect.

Shift Valves, Parking Lock
Fig. 72: Disconnecting Plug

Insert special tool 24 2 390 in sealing sleeve (1).

Shift Valves, Parking Lock
Fig. 73: Inserting Sealing Sleeve Using Special Tool 24 2 390

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