BMW K bikes (Bricks)

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1Back to top Go down   Have I screwed the starter relay? Empty Have I screwed the starter relay? Tue Apr 07, 2015 6:39 am


active member
active member
hi, I tried to start my k1100 on a low battery and the starter kept cranking over, couldn't switch off or kill. saw  a whiff of smoke coming from underneath right side of seat also. replaced battery but starts to spark up and crank again so no joy there. Have I fused just relay contacts or screwed complete starter unit? any advise appreciated.


92KK 84WW Olaf

Life time member
Life time member
It will be the relay, fused contacts, not the starter.

The relay is in an electrical box under the petrol tank, at the rear of the tank, two bolts hold the relay down. If you have a bendy drive you might be able to get it out without removing the petrol tank if you can raise the rear of the tank enough. On the K100 as you sit on the bike the relay is at the rear of the box, right hand corner. Not sure if its same for K1100.

There is a thread here for opening up the relay and cleaning up the contacts. You have nothing to lose doing  that as the alternative is a replacement relay.

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 40,490 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 miles.

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

RicK G

RicK G
The starter should be OK and usually is but as for fried contacts in the relay well they can sometimes be salvaged but usually it's a good bet a new relay will be needed in the near future.

"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 2004 K1200GT 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki

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