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Thread: anyone try this headlight bulb?

  1. #1
    jmolsberg
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    anyone try this headlight bulb?

    seems reasonable and inexpensive. feedback?
    http://cgi.ebay.com/ebaymotors/BMW-r...#ht_500wt_1182


  2. #2
    Registered User lmo1131's Avatar
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    Well, it states clearly in the ad that the box is labeled H4, but it isn't an H4 bulb... cavet emptor.

    It's a 35 watt bulb (no high beam element). And it's $20.

    The BMW original equipment "incandescent" bulb (pn: 07 11 9 978 396) is a 45 (high)/40 (low) 12v. You can buy them from Hucky (among other places) for about $7.50

    An H4 bulb is a 60/55 watt combination and can be had for about $4 at your local NAPA (if you have a reflector).

    So, reasonable, and inexpensive?

    If your bike is already fitted with a 7" diameter headlamp (/6 and later), an H4 conversion kit will drop right in; for about $50. There's only one way to fit an H4 into a /5 BMW (5-3/4" diameter headlamp) and it isn't "inexpensive". A hundred bucks is the cheapest (plastic reflector), Hucky has them... I bought one, and regret it.. . A "proper" metal reflector with lens, H4 conversion [160mm] is about $390...
    "It is what you discover, after you know it all, that counts." _ John Wooden
    Lew Morris
    1973 R75/5 - original owner
    1963 Dnepr

  3. #3
    Jinbawang? Sounds like an asian porno movie!

    Go buy a Sylvania Silverstar at your local auto parts store for $12.00. Don't worry, be happy. (Probably made by Jinbawang)

  4. #4
    jmolsberg
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    indeed it does?

    Quote Originally Posted by RonKMiller View Post
    Jinbawang? Sounds like an asian porno movie!

    Go buy a Sylvania Silverstar at your local auto parts store for $12.00. Don't worry, be happy. (Probably made by Jinbawang)
    which sylvania silverstar? thanks

  5. #5
    Registered User lmo1131's Avatar
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    What bike do you have?
    "It is what you discover, after you know it all, that counts." _ John Wooden
    Lew Morris
    1973 R75/5 - original owner
    1963 Dnepr

  6. #6
    jmolsberg
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    r 75/5

    thank you

  7. #7
    Luddite Looney wecm31's Avatar
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    I had bought some similar brand X asian bulbs and was not happy with them at all. I think I had ten years?? on an OEM bulb and went through two cheapo asian ones this last season. Not a major deal for me to change, but I'd rather spend a few $$ and not worry about it for years. It will burn out at the worst possible time

    I purchased a PIAA (60/55 blue light) that is supposedly motorcycle anti-vibration heavy duty sort of deal online. Paid way too much for the shipping (hey, I live in the sticks, get used to it..) but I think the bulb was ~ $25.
    Gerald P
    The last thing I want to be is just like everyone else...
    1985 R80RT
    1969 Sport Fury Convertible

  8. #8
    jmolsberg
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    now I am officially confuzzled but not worried

    the burned out bulb is an Osram 7951. is there a replacement which, offers better light and is a direct replacement?

  9. #9
    Registered User bmweuro's Avatar
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    Do a H4 conversion.
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    Hi my name is Chris and I am a slash-five-o-holic.

  10. #10
    Registered User lmo1131's Avatar
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    +1 on the H4 conversion.

    I ran an H4 Bosch in my Windjammer for years with great results; the electrical system on my /5 had no problems at all keeping up. The WJ was fitted with a 7" diameter head light bucket so converting to H4 so a simple matter of just swapping the sealed beam for the Bosch. The reflector on the /5 is 5-3/4" [160mm].

    When I went "Euro" I also went the "cheap" H4-conversion route, before I realized that the more expensive conversion was available. The reflector portion is plastic and it will only be a matter of time before something on it breaks off, or cracks... The lens itself is glass so it shouldn't do too bad.
    "It is what you discover, after you know it all, that counts." _ John Wooden
    Lew Morris
    1973 R75/5 - original owner
    1963 Dnepr

  11. #11
    535IS
    Guest
    Quote Originally Posted by Lmo1131 View Post
    Well, it states clearly in the ad that the box is labeled H4, but it isn't an H4 bulb... cavet emptor.

    It's a 35 watt bulb (no high beam element). And it's $20.

    The BMW original equipment "incandescent" bulb (pn: 07 11 9 978 396) is a 45 (high)/40 (low) 12v. You can buy them from Hucky (among other places) for about $7.50

    An H4 bulb is a 60/55 watt combination and can be had for about $4 at your local NAPA (if you have a reflector).

    So, reasonable, and inexpensive?

    If your bike is already fitted with a 7" diameter headlamp (/6 and later), an H4 conversion kit will drop right in; for about $50. There's only one way to fit an H4 into a /5 BMW (5-3/4" diameter headlamp) and it isn't "inexpensive". A hundred bucks is the cheapest (plastic reflector), Hucky has them... I bought one, and regret it.. . A "proper" metal reflector with lens, H4 conversion [160mm] is about $390...
    H4 is a two filament bulb configuration. It has nothing to do with the power output. I have an H4 100/80W bulb in my RS. I have also used 100/55s, 80/55s, and 60/55s (The first number is always the high beam filament) in various auto applications. I am a little puzzled, though. I thought my lamp was stock. It isn't supposed to take an H4? [Might be that mine is originally a Euro bike.]

  12. #12
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    Quote Originally Posted by 535is View Post
    I am a little puzzled, though. I thought my lamp was stock. It isn't supposed to take an H4? [Might be that mine is originally a Euro bike.]
    apples to oranges- you have a /7 vintage bike, the OP has a /5 which requires a conversion to un-seled beam it. the '78 (/6 on) is H4 as stock.
    Ride Safe, Ride Lots

  13. #13
    Barback King rapiddog's Avatar
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    Question

    ...anyone use the PIAA Xtreme or Intense White H4 on a /7?
    Results?
    "...the burble of my exhaust unwound like a long cord behind me. Soon my speed snapped it, and I heard only the cry of the wind...." Larry of Arubia

  14. #14
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    PIAA Bulbs

    Quote Originally Posted by RAPIDDOG View Post
    ...anyone use the PIAA Xtreme or Intense White H4 on a /7?
    Results?
    I ran an Osram 100/80 on my /7 for several years and it was hard on the electrical system, (battery too weak to turn over motor after a series of short runs, burnt off wires twice inside headlight housing). Bought a couple PIAA Xtreme White 65/50's on e-bay for $25 and they have been great. Half the power consumption, yet noticeably more light. The electrical system appreciates them too; no more trouble starting because of a drained battery.

  15. #15
    keelerb
    Guest
    I think I've tried them all. And my spares box bears me out. Best I've come across (but they're pricey) are Raybrigs.

    BTW, I tried a 100/80 bulb in my airhead RT and it worked great. Then I had the headlight open for some reason and saw I was about a hair's-breadth away from completing the meltdown of the (plastic) bulb socket. Coulda switched to ceramic I guess but I put in a standard wattage bulb and all's "cool" since then.

    Must have been the fairing. Have had a 100/80 in an unfaired HD for years now with no problems.

    FWIW/YMMV.

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