Searched the form and online.
From online, I think oem 9006 fogs are 51 watt. There were no pic, and I wasn't sure I am looking at the right part.

Does this mean when buying replacement 9006 bulbs, keep it no more than 51 watt to prevent overheating?

 

sorry, forgot to mention I have 2007 LS460.

 

I am not an electricity engineer or anything, but you may use lower wattage bulbs than the standard but if you use higher wattage bulb, can cause burnout of the light bulbs(over heat).

 

Keep it stock wattage if using halogen and 35 watt if using HIDs

 

can someone explain why is it ok to use 51 watt halogen and only 35 watt for HID? Now they also have high wattage LED.

 

Halogen uses a filament in the bulb and HID uses electric current to excite gas inside of bulb to create the light. Hids take less wattage to create more lumens of light than a halogen bulb will..there is a way more scientific explanation but this is the cliff note version. Hids burn much cooler and more efficient than halogen as well