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K100-forum.com » Technical, repair and troubleshooting » Frame, fairing and wheels » Ignition coil cover?

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1Back to top Go down   Ignition coil cover? Empty Ignition coil cover? Fri Apr 27, 2012 4:21 am

wikur

wikur
Silver member
Silver member
Hi guys!

Does anyone know why BMW decided to loose the ignition coil cover on later models?

Looks nicer with cover but I bet there is a reason.

    

2Back to top Go down   Ignition coil cover? Empty Re: Ignition coil cover? Fri Apr 27, 2012 4:31 am

charlie99

charlie99
VIP
VIP
i wonder if it could be because of the extended side covers wilkur ...the early series were quite segregated (sidecovers) to just under the seat ...but i bet ..there were heat issues discovered and amended the design so that it minimalised the affect on the riders legs etc ?


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

3Back to top Go down   Ignition coil cover? Empty Re: Ignition coil cover? Fri Apr 27, 2012 5:00 am

Two Wheels Better

Two Wheels Better
Moderator
Moderator
An early attempt at weight savings...?

Ignition coil cover? 652573


__________________________________________________
"How many cars did we pass today?" "ALL of them."
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

4Back to top Go down   Ignition coil cover? Empty Re: Ignition coil cover? Fri Apr 27, 2012 6:34 pm

wikur

wikur
Silver member
Silver member
Well,your guess is as good as mine!

Looks way better on the old ones though........

Cheers,Wikur!

    

5Back to top Go down   Ignition coil cover? Empty why? Fri Apr 27, 2012 9:37 pm

brickrider

brickrider
Life time member
Life time member
Call me cynical, but I'm prepared to believe it was to save a few pfennig! BMW omitted a cheap circlip on the airhead transmissions for that very reason and the result was a disaster. So, why couldn't the same bean counters have prevailed on decisions related to the K-models?

    

6Back to top Go down   Ignition coil cover? Empty Re: Ignition coil cover? Fri Apr 27, 2012 11:30 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
"Zee motorbike iz performing perrfectly in evry vay. It iz zee rider who haz zee problem."

~BMW technician from Germany visiting our workshop to address a chronic issue with a customer's RT, about ten years ago.


__________________________________________________
"How many cars did we pass today?" "ALL of them."
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

7Back to top Go down   Ignition coil cover? Empty Re: Ignition coil cover? Sat Apr 28, 2012 6:07 pm

Inge K.

Inge K.
VIP
VIP
BMW did start with this when the 4V models was introduced (K1) which have other coils.

And all 4V models have "open" coils, could be that these coils runs a bit more hot in use?


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

8Back to top Go down   Ignition coil cover? Empty coils cover Fri May 04, 2012 9:27 am

sven k100

sven k100
active member
active member
i found that the coils were collecting a lot of the heat from the sparkplug area, through the vents in the head , out the back, and collecting in the coils cover, so i've drilled ventilation holes in both sides of the cover, but kept the front intact for appearances sake.

    

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