911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Alarm Module: Removal and Replacement
Removing and Installing Immobilizer Control Unit 
Removal and Installing Immobilizer Control Unit 
1. Remove left seat.
2. Remove shear bolts using a cross cut chisel and remove cover.
3. Loosen control unit and unplug connector.
Break off new M 6 x 13 shear bolts, part no. 999 074 051 02 using a Torx E6 socket wrench.
Removing and Installing Control Unit of RS Vehilces 
Removing and installing control unit of RS vehicles 
Loosen flanged nut using a cross cut chisel.
Tighten new M5 flanged bolt with stop teeth (part no. 999 607 472 02) using circlip pliers, e.g. Hazet 4843a-12.
NOTE: Tighten the control unit carefully. The plastic mounting lugs can break off. The serial number must not be left on the control unit after
installation. The two stickers must be handled confidentially together with the customer. One sticker must be attached to the invoice and the second
sticker given to the customer.