[Augster]

Has anyone purchased the BMW Alarm Retrofit kit recently? And if so, do you recall the part numbers of the individual components contained within that kit?

The retrofit kit PN 65120403658 hasn't changed since the OP posted this DIY in 2005, but the individual components have been revised over the years; specifically, the Ultra Sonic-Modules' fifth revision is now PN 65759244134, and the Alternative Power Sirens' sixth revision is now PN 65759243750.

So I'm curious if the retrofit kits' individual components have been updated to reflect the latest parts revision.

Buying the latest parts separately new would come out roughly $120 more expensive over the kit, so the question is whether any of the revisions are significant enough to warrant purchasing them individually over older revisions that may still be contained within a retrofit kit.