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      06-16-2020, 08:45 PM   #60
LexxM3
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Drives: E46M3, G05X5
Join Date: Apr 2019
Location: Waterloo, Canada

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2019 X5  [0.00]
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Originally Posted by thereef510 View Post
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Originally Posted by mitch57 View Post
I don't know for sure about the X5 but on my 2020 X7 40i when I check the box for "Daytime Running Lights" it enables both the front and rear "Daytime Running Lights". You can check this by checking the check box for daytime running lights, starting the car, placing the car in park, setting the emergency brake (or not), exiting the car and walking to the back of the car. The rear tail lights should be illuminated.

In my X7 the rear daytime running lights are always on when it's daylight out if I have the DRL box checked. I'm on iStep version 03/2020.31. This also worked on my previous iStep version of 07/2019.59.
What is the advantage of rear lights being on during daylight?
As all running lights, better visibility. Also some rear lights for people that forget their headlights after dusk, but that's a moot point on the X5 due to forced automatic lights mode.
As far as I know it's not forced unless you set it to automatic mode? I may be wrong though. Is it really forced?

Also why did bmw unnecessarily complete the lighting setup with a huge giant light panel letting you select which lights you want at any one time. And then split the bc stalk with another half button for auto high beams. Sometimes their complexity just doesn't make any sense to me
On my Canadian build (this may matter), headlights always revert to automatic at every startup. After that, you can turn them off if you're in park (but not in drive, that is forced auto). If that ever became a problem (weekly drive in theatres, new job as a spy, etc), I suspect it can be coded differently.

By the way, it is possible to code menu options that enables/disable front and rear DRLs individually.
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G05 X5 x40i (04/2019 mfg, Canada) on S18A-19-11-540
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