Comfort Access: Introduction

The BMW 1-Series, 3-Series and X5 can be equipped with option 322 "Comfort Access".

This comfort system has been derived from the BMW 7-Series.

From 09/2005, Comfort Access will also be introduced to the BMW 5-Series and BMW 6-Series. The system has been taken from the BMW 3-Series, albeit with a few modifications.

With Comfort Access, an ID transmitter is needed instead of the usual remote control. The ID transmitter also performs standard remote control functions.

Comfort Access can be used to carry out the following functions:

• Passive Entry 

  Opening the vehicle or luggage compartment without actively using the ID transmitter

• Passive Go 

  Engine start without actively using the ID transmitter

• Passive Exit 

  Closing the vehicle without actively using the ID transmitter

Comfort Access prevents an ID transmitter being disabled accidentally.

The CAS control unit is the master control unit for all functions carried out via Comfort Access. Vehicles with Comfort Access are fitted with a CA control unit.

New or modified features on E90, E91, E92 compared to E81, E87, E93: 

• The detection range of the interior aerials has been modified as a consequence of the different vehicle design.
• The remote control (FBD) receiver is integrated into the aerial amplifier. (> E81, E87, E93: FBD receiver integrated in interior mirror)

New or modified for the E60, E61, E63, E64: 

• The outside door handle electronics is on the reverse of the door handle mounting bracket.
• The CA control unit is installed in the carrier behind the glove compartment.