migueldosantos77 Posted January 22 Share Posted January 22 2007 E92 335i Could someone provide explanation about headlamp bulbs? I have now spent a considerable sum on H7 bulbs, as shown by realoem, in addition to other bulb sources. Visited to install the lights in the engine bay compartments, only to discover H8 bulbs. Acquired them and successfully installed them in the engine bay. I requested a local mechanic to install the H8 bulbs and front spotlights, presumed to be H8, while new tires were being installed. I was told that the headlights are H7 HID and the spotlights are H11. Nothing seemed to align with expectations, leaving me perplexed. I am hesitant to make more purchases of erroneous bulbs. Could someone kindly provide guidance on which bulbs to acquire? I apologise for my verbosity. Quote Link to comment Share on other sites More sharing options...
TechnoTrailblazer Posted January 22 Share Posted January 22 H8 bulbs are designated for daytime running lights on pre-LCI E92 models. I believe that halogen dip is H7 and HID is D1S. I believe fog lights are H8 as well; I cannot recall with certainty whether the primary headlights with halogen bulbs are also H7, but I suspect they are. Quote Link to comment Share on other sites More sharing options...
diablos_carcv5 Posted January 22 Share Posted January 22 I believe TechnoTrailblazer is accurate above. Are your lights original equipment manufacturer or aftermarket? Quote Link to comment Share on other sites More sharing options...
migueldosantos77 Posted January 22 Author Share Posted January 22 I have had the vehicle for 12 years and have never replaced any front lights, so I assumed they were conventional H7 bulbs; however, the mechanic advised me otherwise. Had I had the space to do the task, I would have addressed it personally and been aware of its contents. Each time I attempt to purchase from Halfords, Euro Car Parts, or bulb specialists, it is always the H7 that frustrates me. How can something so simple be so intricate? Quote Link to comment Share on other sites More sharing options...
TechnoTrailblazer Posted January 22 Share Posted January 22 Do you own xenon or halogen headlamps? Quote Link to comment Share on other sites More sharing options...
diablos_carcv5 Posted January 22 Share Posted January 22 For a bulb, allow Halfrawds to accommodate one. It is their responsibility to get the appropriate bulb, which should not be an expensive task. Quote Link to comment Share on other sites More sharing options...
migueldosantos77 Posted January 22 Author Share Posted January 22 Halfrawds may be a viable solution; but, I will likely need to locate a flat area, get some equipment, and do the task myself. I installed two halogen bulbs in what I assumed were running lights, but I have been informed that they are really H7 HID lamps Quote Link to comment Share on other sites More sharing options...
TechnoTrailblazer Posted January 22 Share Posted January 22 If it is equipped with H7 HID, then these are not normal lights; it seems that aftermarket HID bulbs have replaced the halogen ones at some point in its lifespan. Quote Link to comment Share on other sites More sharing options...
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