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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > E90 AHL wiring



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      12-05-2013, 01:14 PM   #1
bmw325i
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E90 AHL wiring

Hi I am trying to retrofit adaptive lci xenons. I already ordered the complete headlights, frm3, oem wiring harnesses, level sensors plus hardware, and the light switch. I have everything figured out for the most part. I just need to figure out the wiring for the ahl from the frm to the headlights. My car does not have any wiring already in place for this. I bought the 2 harnesses below, but they don't have the wires that connect the headlight to the frm. On my headlight connector pins 2 ,and 7-11 are empty.

http://www.sparesdeals.com/index.php...product_id=667

http://www.sparesdeals.com/index.php...product_id=656
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      12-06-2013, 09:07 AM   #2
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Bump did anyone else have this problem? Is my car supposed to already have these wires? Does anyone know which wires are for adaptive and where they go to on the frm?
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      12-06-2013, 11:09 AM   #3
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I have an LCI with halogen headlights converted to Xenon. My car doesn't have the AHL feature & I wanted it to work with my headlight as well. But according to the guy who retrofitted my headlights, there is also a sensor connected to the wheels. So, when the wheel turns so does the headlight. Too much hassle, so I just disabled that function & secure the shroud tightly because it easily gets dislocated when you hit a big bump.

BTW, good find for the harness. That's a good way to retrofit without touching the wires inside the headlights.
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      12-06-2013, 03:54 PM   #4
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Quote:
Originally Posted by rbtamms View Post
I have an LCI with halogen headlights converted to Xenon. My car doesn't have the AHL feature & I wanted it to work with my headlight as well. But according to the guy who retrofitted my headlights, there is also a sensor connected to the wheels. So, when the wheel turns so does the headlight. Too much hassle, so I just disabled that function & secure the shroud tightly because it easily gets dislocated when you hit a big bump.

BTW, good find for the harness. That's a good way to retrofit without touching the wires inside the headlights.
Well I already ordered the sensors and all the hardware. Everything ended up costing less than $200 for that. Does your car have wires going to pins 7-11 on the headlight connector?
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