what fuel will be appropriate ?

Hello
I'm new here.
Recently I bought a K100RS 1985 year (?).
VIN: 001898X
Engine: 104EA2884169XX
What fuel will be appropriate for him?
Leaded gasoline (substitutes) or unleaded gasoline?
Thank you for the hint.

greets
Edi
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Zitat von "Edi73"

Leaded gasoline (substitutes) or unleaded gasoline?
Thank you for the hint.

Hallo Edi,

tell us your milage please,
oder auf gut Polnisch die Kilometerleistung bitte

My K100 RS has 56000km on clock.
Nobody know is real or not.
7000 km is mine.

I ask about fuel becouse I accidentally look on BMW__k100 & k75 Haynes Manual, chapter 5, section 21.
My English is not good enough, but I have some doubts about the fuel.
My engine is from 28 week of 1984 year.
If am I right only engine from 1985 and later can use unleaded.
Of course I could be wrong, my English is poor.
So I wrote here, on flyingbrick.

Thank you for your interest

regards
Edi
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Hi
received a response from BMW Motorrad Direct
doubts dispelled

"
Your BMW K 100 RS-2V motorcycles must be operated with petrol with an octane rating of
at least 95 ROZ. However, your K 100 RS-2V is not factory-equipped for unrestricted use
of unleaded petrol. For this reason we recommend you to use wear protection additives.
Additives of this kind are available in bottles from reputable manufacturers. As no
negative experiences have become known so fare, these fuel additives are tolerated for
BMW bikes. These additives have to be used in the quantities recommended by the
manufacturer.

Kind Regards,
BMW Motorrad Direct
"

regards
Edi