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E90 General Vehicle Electrical
Comfort Access (SA 322) is offered as an option for the E90.
"Comfort Access" is a passive access system. This means the vehicle is unlocked by
grasping the outer door handle, provided the identification transmitter is located within a
radius of no more than approx. .5 - 1.5 m from the vehicle.
With Comfort Access it is sufficient for the driver to simply carry the identification trans-
mitter on his/her person in order to open or start the vehicle. "Keyless" access to the
vehicle was implemented for the first time on the E65 and has been adapted for the
E90.
As with many of these systems the operation/functions are distributed among several
different control modules. Comfort Access utilizes the same modules that are utilized
for the Central Locking function plus two more.
Comfort Access
Index Explanation Index Explanation
1
Car Access System (CAS 2)
6
Comfort Access (CA)
2
Footwell Module (FRM)
7
Electric Steering Lock (ELV)
3
Dynamic Stability Control (DSC)
8
Electric Outer Door Handle Module (TAGE)
4
Digital Motor Electronics (DME/ECM)
9
Remote Control Receiver
5
Junction Box Electronics Control Module (JBE)
10
Antennas
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