Thanks, that info was informative. The LCM is located in the front passenger footwell...and if the module got wet...it could be the cause of your exterior light issues and functions.

The LCM and IKE (instrument cluster electronics) are also connected in that they share some important redundant data to help prevent loss (mileage, VIN, & SI info).

Also, water damage to the LCM is a pretty well discussed BMW e38/e39/e53 issue...so you should be able to do a Google search using a few key words like "BMW e53 wet LCM" ...you could also type in e38 and/or e39 and the info would apply to the e53 since they share the same design and are generational cousins.

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