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New headlight lenses required H7 or H4? Help

Fatboy74

Well-known member
Joined
19 Aug 2015
Messages
124
New to the world of 964(lovin it :D ), so I will probably be posting some daft questions so please bare with me!
Need new headlight lenses and my current ones have H7 on them(93 C4) but when looking I can only seem to find Bosch lettered with H4 on them, could someone please tell me what the difference is and can I just put the H4's on?
Any help would be appreciated :thumbs:
 
The simplest answer is that H4 are combined dip and main beam in one bulb, H7 are single filament bulbs, one each for dip and main.
 
Thanks Mike, so I take it the lenses have a different pattern on them due to bulb positions and I can't just swop over the lenses to H4 style?
And I also can't put H4 bulbs in as the wiring/socket will be different in my H7 headlights.
 
Just remembered the lights have been changed to HID's and have a dual beam bulb so now I'm thinking H4 lenses would be right :?:
My head hurts now :?
 
The bulbs are not interchangeable, their bases are different sizes and, of course, the H4 has an extra terminal (the flat blades) 3 rather than 2.

However, I'm not familiar with 964 light (mines a 996). You may find the lenses are the same.
 
The glass on all 64's are H4 but they come in RHD and LHD forms.
 
Thanks for the input guys👍 I think I've got my head around it now.
 

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