I’d brought these modules to install in my old E46 M3 . Mine was imported from Japan so had no Alarm or DWA Alarm wiring loom. Was going to make one up using realoem and work out connector pins etc. Sold the e46 before doing
Some e46s are pre-wired for Alarm and will have a sticker on the boot carpet liner.
Note that many of these modules are also used on e39.
Located in Wellington
Alarm modules for e46
Includes
Boot tilt sensor module
Interior ultrasound module and brackets for coupe, sedan, hatch but not convertible
Brand new Motorsport headliner module cover
Bonnet Switch
Under bonnet siren and brackets
Spare DWA interior mirror ( has the led that flashes when alarm set.
DIY guide link here. BMW pdfs are also in link.
Alarm needs to be coded to activate and there a different mode options. Connects to BMW GM5 module to work with car lock unlock functions.
https://www.e46fanatics.com/threads/e46-oem-alarm-retrofit-install-instructions-for-non-prewired-vehicles.1202929/