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Product details
IMMO BLOCK changes the 993 immobilizer’s automatic re-arming behavior when the car is left unlocked or the ignition is switched off. Select the US or supported rest-of-world installation according to the original alarm system; UK-specification cars are excluded.
Technical Details
- Changes automatic immobilizer re-arming behavior while retaining physical-key starting.
- US cars use the described plug-in installation.
- Supported rest-of-world cars require wiring work.
- Select the US or ROW option to match the original vehicle specification.
- UK-specification 993 models are excluded.
- Confirm existing alarm/immobilizer equipment, including any previous modifications.
- Follow the exact installation instructions before changing the original relay or wiring.
For help matching this component, contact PMB Performance with your VIN and photos or references for the component being replaced. Our team draws on over 20 years of parts and fitment experience.
Fitment & Compatibility
Use the application details below together with the original component and any existing modifications.
| Years | Make | Model / chassis | Version / application | Fitment notes |
|---|---|---|---|---|
| Model-specific | Porsche | 993, US specification | US variant; supported original immobilizer system | Confirm the existing alarm and relay arrangement. |
| Model-specific | Porsche | 993, supported rest-of-world specification | ROW variant; wiring required | UK models excluded. Verify original alarm/immobilizer system before ordering. |
