BMW E90 User Manual

12
E90 General Vehicle Electrical
Functions of Footwell Module
The Footwell Module (FRM) serves as:
• Gateway Module for communication between devices connected to
the LIN Bus and K-CAN (Outside Mirror & Drivers Switch Cluster).
• Evaluator of data from Door Contacts and Door Lock Cylinders
• Activator/controller of all Exterior Lights, Adaptive Headlights,
• Controller of Front Power Windows, Electric Load Shut-down
• Activation of Power Window Anti-Trap
• Stores the Vehicle Order information
Adaptive
Headlight
Control
Outside
Mirror
Exterior
Lighting
FRM
Gateway
LIN-Bus
K-CAN
Interior
Lighting
Electric
Load
Shutdown
Central
Locking
System
Power
Windows
Door
Contact
Index Explanation Index Explanation
1
Connection to Main Wiring Harness (51-pin)
3
Connection to Instrument Cluster (46-pin)
2
Connection to Main Wiring Harness (51-pin)
4

BMW E90 Specifications

General

Display Type	LCD
Display Size	6.5 inches or 8.8 inches (optional)
Navigation System	Optional
Bluetooth	Optional (with phone pairing)
USB Port	Optional (depending on model year and options)
Auxiliary Input	Standard
CD Player	Standard
DVD Player	Optional (with navigation system)
iDrive System	Yes (version dependent on model year)