Operation CHARM: Car repair manuals for everyone.

General Information




Power Module - Location And Construction



The Power Module on the (E63/64) 645i is located in the recess of the luggage compartment.



The Power Module on the E65 is located on the right-hand side of the luggage compartment.

Electronic Battery Master Switch
The electronic battery master switch is made up of 4 MOS-FET output stages (S Bat) and connects the input terminal 30 with the outputs KL 30U and KL 30B on the Power Module. The following functions are controlled by means of the Power Module according to the position of the battery switch:
- Storage mode
- Closed circuit current monitoring
- Electronic fuses
- Automatic electrical system isolation

High-Current Terminals (RADSOK(R))
New high-current terminals are used in the E65/E66. The high-current terminals are on the input terminal 30 and the outputs terminal 30U and terminal 30B. These contacts are capable of carrying current peaks (short term) of 220 A.

Inputs/Outputs







Detailed view of Power Module