Removing and installing immobilizer control unit


1. Remove left seat.

2. Remove shear bolts using a cross cut chisel and remove cover.

Porsche 993 Immobilizer Connector

3. Loosen control unit and unplug connector. Installation

Break off new M 6 x 13

shear bolts, part no. 999 074 051 02 using a

Removing and installing control unit of RS


Loosen flanged nut using a cross cut chisel. Installation

Tighten new M5 flanged bolt with stop teeth (part no. 999 507 472 02) using circlip pliers, e.g. Hazet 4843a-12.

Immu Immobilizer Unit Serial Number


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.

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