It actually says it on the headlight.
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Run your VIN (the last 7 digits) through one of the multiple VIN decoder sites...you should see option code S524A listed. The adaptive headlight option came with the bi-xenon headlight set-up on the facelift e53 X5s in the US market. In some markets you could also have regular xenon/HID or halogen headlights that did not come with the "adaptive" feature.

Here's a VIN decoding site if you don't know one off hand: https://www.mdecoder.com/

Well hello there. Never noticed.

Cant you tell if you just turn the wheel? The lights move with the steering motion

I’m assuming it’s more obvious during nighttime driving at higher speeds. Using the speed sensor and steering wheel position sensor. Which I don’t do much of. Mostly under 40 starts and stops.

In the same vein as where Cleanfast was going...you can get an idea of the headlight moving if you turn on the headlights at dusk or night...and turn the wheel to the right (clockwise) while facing a wall or your garage door etc.

You want to turn the steering wheel to the right when standing still because the system is designed not to blind oncoming traffic. So when driving at slower speeds (or stopped)...turning the steering wheel to the left will use result in blinding oncoming traffic or vehicles stopped at an intersection to your left...so the left headlight doesn't turn until higher speeds when you're more likely not to be in oncoming traffic that would be blinded by the left headlight turning into its path.

Sold my e70 for it!


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This past weekend I had the dreaded left rear window regulator blowout :(

Pulled the door card and extracted the regulator to find the cable had completely released itself from the spool.

I managed to reassemble the spool with the somewhat kinked cable just as a temporary measure to hold the window up until my parts arrive.

Going to go into Beast Mode on all these regulators and the rear door carriers since the door cards will be off. I like to knock out many of these high use old parts in one whack to prevent an inconvenient failure/downtime in the future or while in the Wisconsin frozen tundra at some ugly -°F :thumbup:

Will change the little plastic window holder clips as well:

Front 51338254781

Rear: 51357011680

With the front door carriers and the speaker upgrades done, hopefully this will be the last time I have to open up the door cards in my ownership of this E53.

Mike

I'm going to do mine after I overhaul my cooling system. Carriers and regulators all around. Then we'll tint her as dark as I legally can :thumbup:

Cut the "nubs" off the door carriers when you have them out. Most likely to breaks when the little blocking bar sticks in the cold and holds back the handle while trying to open. You think it's just frozen in Frost so you tank hard and break the hinge.


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