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Old 02-10-2015, 11:23 PM   #1
BarryT OP
Studly Adventurer
Joined: Jul 2009
Location: Edwards AFB California (Rosamond CA)
Oddometer: 658
So I'm confused. What R100 do I have?

So all my numbers match. My engine and chassis number are 6175881. All the VIN look up sites put it at being produced at 12/81 and list it has an R100/T. It also has 94/40/103/104 Bings, however the frame just says R100 and the chassis and engine numbers when looking up by chassis number list it as being an R100 basic made in 12/81. If it was a R100 basic shouldn't it have 32mm Bings? Wouldn't the vin come up as an R100? What do I have?

An R100 Basic with 40mm bings?
A R100T with proper 40mm bings?

Is there any other way to tell? Heads etc?

2006 Buell Ulysses
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Old 02-11-2015, 01:30 AM   #2
Beastly Adventurer
Joined: Feb 2006
Location: Bath Uk
Oddometer: 2,257
According to Phil Hawksleys site the R100 from 81-84 Had 40mm Bings
R90s 1070 replica, R90/6, 1958 R50
1971 Commando Fastback
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Old 02-11-2015, 01:41 AM   #3
Dutch fool
Joined: Apr 2008
Location: Holland, land of tulips and wooden shoes
Oddometer: 804
According to MaxBMW you got a R100/T.

The 40 mm Bings are correct, the /103/104 not so.
But that shouldn't be a problem.

Geht net, gibbet net.
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Old 02-11-2015, 04:55 AM   #4
Jim K in PA
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Joined: Mar 2011
Location: Pocono Mountains, PA
Oddometer: 1,139
It's most likely a T. My '79 has the same R100 sticker with no other designations. The T originally came with side cases and engine guards, I believe. The side covers also had the R100T decals. I think the T also had higher compression than the basic, but that is something I am not certain about.
Jim K in PA
1979 BMW R100T - Otto - Returned to the road - 5/12/11
1975 BMW R90S Hack - Olga - Olga's story - adopted 3/22/14
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Old 02-11-2015, 05:05 AM   #5
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Joined: Nov 2006
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All R100s built for '81-'84 model years had 40mm carbs. The non-faired bikes sold in the US were sold as R100. No "T"
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