Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Temperature Sensor ( Ambient / Intake ): Service and Repair




Pressure/temperature Sensor, Charge Air

To remove







1. Unplug the sensor connector.
2. Undo the connector.

To fit







1. Apply petroleum jelly (part no.30 04 520) or the equivalent sparingly to the sensor O-rings. Fit the sensor.
2. Spray the connector with Kontakt 61 (part no.30 04 520). Plug in the connector.