BMW K bikes (Bricks)

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elukros

elukros
active member
active member
Hello,
Would like to have your advise concerning upgrading the H4 light bulb to Bi-Xenon.
Do you recommend this or not?
Where do I install the ballast and CAN bus compatible controller.
Space is kinda restricted in the upper fairing.

    

Arlina

Arlina
Moderator
Moderator
Not sure what you want to install, the K1100 has no can-bus.
Your old headlight connector goes to the load, and from the load to the new HID.
It's a small case, fits in every little space in the upperfairing.

Something like this is all you need;
Upgrade K1100RS headlamp to HID (Xenon lights) 1.0x0


__________________________________________________
Upgrade K1100RS headlamp to HID (Xenon lights) Eu-log10  K1100RS/LT - R1200RT - R1100RS (RIP) - Cagiva SST 350 Ala Verde - K75LT project - K75 Schurgers - K75S
    

elukros

elukros
active member
active member
Wheeldigger,

That is exactly what I intend to install, the Street Pilot Bi-Xenon. I know K1100 don't have CAN bus, but the Xenon light comes with a can bus compatible controller.
Don't think this is an issue.
Can't figure out where I should install the controller and the ballast.
Away from the Motronic ICU/FCU, that's for sure.
Does it affect the Instument cluster (reading of Speedo end Taccho meter) as it might produce an electromagnetic field interfering with the coils of intruments.

    

RicK G

RicK G
admin
admin
@elukros wrote:Hello,
Would like to have your advise concerning upgrading the H4 light bulb to Bi-Xenon.
Do you recommend this or not?
Where do I install the ballast and CAN bus compatible controller.
Space is kinda restricted in the upper fairing.
I don't recommend it at all. You would need the correct reflector and lens so the low beam dips to the correct part of the road.
The light source in HID is about the size of a marble and the H4 is the size of a grain of rice. The light will not reflect from the OEM headlight correctly and as a result you appear to oncoming traffic as a very bright high beam. Would you like that.
I have upgraded 2 Ks to a High light output H4 globe (Narva H4 Plus 120) and along with a relay installation the difference is truly amazing.
The Headlight needs a relay in each circuit as the wires are to thin to get good voltage at the globe and the switch is not capable of carring the high current for sustained periods without damage occuring due to heat.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

elukros

elukros
active member
active member
RicK G,
No aftermarket reflectors and lenses available for the K bikes?

    

Dai

Dai
Life time member
Life time member
There are none available for any bikes.


__________________________________________________
1983 K100 upgraded to K100RS spec, 1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

elukros

elukros
active member
active member
Ok,
I'll leave this Xenon upgrade as it is, don't want to permanently strike my fellow road users with blindness.
What about heat dissipation  of the NARVA H4 plus 120 bulbs?
Do I need to replace the lamp socket with a ceramic fitting?

    

elukros

elukros
active member
active member
RicK G,

Is there a circuit diagram available, how to connect the relays?
What type of relay do you suggest?

    

elukros

elukros
active member
active member
Guys,

I think we can close my topic, I found a similar post on the forum. With all info concerning type of relay to be used and Circuit diagram

Headlight upgrade experiences   by Comberjohn

    

92KK 84WW Olaf

avatar
Life time member
Life time member
My money is on Comberjohn's post above. I tested mine with 160/130W H4 and the light is excellent. Forget LEDs altogether, useless.

There was a conversion done to a HID unit but it involved rebuilding the headlight with a new reflector inside the original one. Its on the forum but not sure where.....have a feeling it was in fact Bikerboy. Even if that works you have a lot of work to do it.

The relay/bulb upgrade is a much more user friendly option.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011171 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 37,190 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 miles.

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

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