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BMW 3-Series (E90 E92) Forum
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---> E90 LCI Adaptive Headlight Bulb Swap <---
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05-15-2011, 01:59 PM | #1 |
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Here's a DIY I threw together demonstrating how to swap out the cornering headlight bulbs. These are the H3 bulbs for the inboard most headlights that engage and when the steering wheel is turned. I honestly didn't know they where a different color than the xenon (HID) bulbs until a buddy of mine mentioned swapping his out to color match with the xenons. This is a fairly straightforward and inexpensive DIY. The area you'll be working in to access the bulb is a little cramped, but it's nowhere near as hard to access and work in as the area for the angel eyes...thank God! This is a relatively low impact change, but I now have all the headlight bulbs (xenons, AEs, cornering, and fogs) color matched.
I used the MTEC H3 4350k Super White bulbs that I purchased from E92-Lighting. They match the color of the xenons spot on. Here's a shot of the bulbs and packaging: ![]() The pictures below are of the driver's side assembly, there is no difference in steps for swapping the passenger side. Here's a shot of the access cover above the headlight assembly: ![]() Remove the rubber seal/bumper as noted in the picture below (it simply lifts off) and set it aside. Loosen and remove the three screws that secure the access cover. ![]() In the picture below you can see the location of the bulb. Also notice the retaining spring that keeps the bulb secure. ![]() To remove the bulb, pinch the retaining spring together as indicated in the picture below. I highlighted the hooked area of the flange that acts as a pivot point for the retaining spring - it is possible to completely remove the spring by unhooking it - I would advise leaving it connected if possible, being mindful not to knock it down into the light housing. ![]() Once the retaining spring has been lifted, simply lift the bulb up out of the housing. ![]() You'll need to pull the wiring out some to access the connector. Note: leave the brown wire connected, it's not part of the bulb connection. ![]() Disconnect the old bulb and replace with the new bulb. ![]() Thread the bulb back into the housing and secure with the retaining spring. The bulb should be placed so the wiring runs to the left as observed from above - the pattern of the bulb flange is such that it will only fit in the housing when positioned in this manner - note the cutout that aligns with the bulge or nib at the eleven o'clock position. Fish the extra wiring backwards towards the windshield. ![]() Replace the access cover and rubber seal/bumper and you're all set! Here are some comparison shots of the OEM and the replacement superwhite bulbs: OEM bulb - notice the yellowish tinge especially in the reflection: ![]() The superwhite replacement bulb: ![]() Both the OEM and the superwhite bulbs together: ![]() A slightly closer composite picture of the OEM and the superwhite replacement bulbs together. And no...I don't have broken tie rods... ![]() ![]()
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'11 Black Sapphire F10 550i l ZSP l Avant Garde 20" M310
Last edited by zzzbullseye; 12-12-2012 at 09:48 AM.. |
10-18-2011, 07:34 PM | #3 |
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No issues so far.
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11-07-2011, 01:40 PM | #5 |
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lol at the last picture. I thought you had some ridiculous offset/wheels/tires on there.
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11-08-2011, 09:07 AM | #6 | ||
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Quote:
You can also check this Sylvania site for bulb info. Quote:
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12-11-2011, 01:43 AM | #7 |
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This DIY was very helpful. Thanks for posting it!
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12-11-2011, 03:21 PM | #8 |
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You're welcome.
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01-16-2025, 03:33 PM | #9 |
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All the pictures are gone
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