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)

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Trigger Algorithm

Trigger Algorithm

The Advanced Safety Electronics ASE safety system has been developed for the E60. ASE is derived from the Intelligent Safety and Integration System ISIS in the E65/66. The triggering philosophy is identical. Various degrees of crash severity and triggering thresholds are distinguished.