BMW K bikes (Bricks)


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1Back to top Go down   First water-cooled BMW for me Empty First water-cooled BMW for me Sun Jan 07, 2024 11:55 pm

Jordan53

Jordan53
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active member
Hello All,
My name is Jordan and I just bought a nice K100, a 1991 model I think.
I once owned a boxer, R75/5, which was bought new and was the top of the range for BMW bikes at the time. (I'm so old.)
I'm enjoying the first stage of ownership of this used bike, which is to inspect and rectify if necessary all systems.
I would like to familiarise myself with it first. I have looked under the seat and side covers, and under the fuel tank.
There's an interesting box under the tank, with a fuse box mounted on its left side, and various relays and plugs within.
I wonder what all those do?
This no doubt is the first of my many questions here.
Cheerio,
Jordan
New South Wales, Australia.

    

2Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 12:44 am

duck

duck
Life time member
Life time member


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

3Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 6:20 am

Dai

Dai
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Life time member
First water-cooled BMW for me 177912


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

4Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 6:59 am

Jordan53

Jordan53
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active member
Thanks Folks,

The linked photos of the relay box indicate that mine is a late 2 valve model.

Does that mean that my bike is not a 1991 model?

Is there a way to confirm date of manufacture and/or model year?

How can I tell if it is a 2 or 4 valve engine?

    

5Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 7:19 am

92KK 84WW Olaf

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Jordan53 wrote:Thanks Folks,

The linked photos of the relay box indicate that mine is a late 2 valve model.

Does that mean that my bike is not a 1991 model?

Is there a way to confirm date of manufacture and/or model year?

How can I tell if it is a 2 or 4 valve engine?

Look at the cam cover...on 2v engines the upper and lower rows of cover bolts are staggered, on 4v they are aligned one above the other. You may have a 1991 K100LT, they are 2 valve engines. But K100RS in 1991 had a 4v engine.

If you look below the oil filler cap there is a smooth vertical strip with numbers and letters. The end numbers are 2 sets of 4 digits. The last set of 4 digits is your engine number. The second last set is your manufacture date code, same as tyres, so for example 3291 3456 would be engine date week 32 of 1991 and 3456 is the engine number.



Last edited by 92KK 84WW Olaf on Mon Jan 08, 2024 7:56 am; edited 1 time in total


__________________________________________________
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 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 48,061 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 61,190 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
    

6Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 7:53 am

Jordan53

Jordan53
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Thank you, Olaf.

I now know that my K100 was made in June 1989, and that it has a 2 valve engine.

Jordan

    

7Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 8:04 am

92KK 84WW Olaf

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Life time member
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Probably much the same vintage too since I remember the R75/5 new, and the R90S ...... twice the price of the Honda CB750 at the time. If you had either now they would be quite valuable!

I was too small for the CB750-4 and my wallet too small for the R90S so a CB500-4 fitted the bill nicely and took 50,000 miles in 18 months. Tyres didn't last so well then and a rear could be gone in 3 weeks. Now I can get 3 months from a rear tyre.

Looking forward to some of your tales of adventure too.


__________________________________________________
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 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 48,061 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 61,190 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
    

8Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 4:35 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
WelKome to the forum, and thanks for writing a good introduction. You can go to Profile on the forum's main page, select Signature, and type in your bike's year and model, and the last seven digits of the VIN, then save it. That will allow those in the know to determine which year build date, and specifically, which model, it is. That also eliminates folk having to ask which model you have if there's anything specific you need an answer to.

Using realoem.com/bmw, or other online BMW parts catalogues, will also allow you to determine the exact info for yourself, as Australia's various gubmints, in all of their innate wisdom, do not use the timeline for year/model that BMW themselves, or that most of the rest of the world use, but make that date the year of first registration.

Now that you've done the intro, let's take any further specific questions you have to the other detailed sections of the forum so that it is a resource for everyone to use if needed.

Cheers.


__________________________________________________
1977 R75/7-100, 1995 R100 Mystic, 1993 & 1996 K1100RS, 1993 K11/K12 Big Block, 2 x 1998 K1200RS, 2006 K1200R & 2009 K1300GT
    

9Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 6:04 pm

bad boy

bad boy
Life time member
Life time member
hello Jordan
First water-cooled BMW for me 177912


__________________________________________________
Cheerz, David

First water-cooled BMW for me 9438-010

____________________________________________________________________________
1997 Peraves Super Ecomobile: a Kevlar reinforced monocoque with outrigger wheels, seating two.
K100 fork, monolever, headlight, indicators, K1100RS gearbox and K1200RS 589 engine, rear wheel
    

10Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 6:30 pm

Jordan53

Jordan53
active member
active member
Thanks again for the warm welcomes.
I already have another question, and will post in the main forum.

Jordan


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

11Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 7:36 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
And so with your VIN showing we now know it to be a Euro spec K100RS, built June of '89. Once upon a time, before retirement, I had access, and could tell you the original colour code, which options it came with from the factory in Berlin, what the exact build date was, which dealer sold it and when, which market it was intended for, and how much commission the salesman made. 
Wink

That info can still be dredged up from somewhere...someone here might know how if you need any of it.


__________________________________________________
1977 R75/7-100, 1995 R100 Mystic, 1993 & 1996 K1100RS, 1993 K11/K12 Big Block, 2 x 1998 K1200RS, 2006 K1200R & 2009 K1300GT
    

12Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 8:24 pm

duck

duck
Life time member
Life time member
This one gives lots of info if you provide the 17 digit VIN:

https://www.mdecoder.com/


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

13Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Mon Jan 08, 2024 11:56 pm

RS Rider

RS Rider
Gold member
Gold member
duck wrote:This one gives lots of info if you provide the 17 digit VIN:

https://www.mdecoder.com/

It gives basic info unless you want to pay, though.


__________________________________________________
1985 K100RS
    

14Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Tue Jan 09, 2024 12:14 am

duck

duck
Life time member
Life time member
RS Rider wrote:
duck wrote:This one gives lots of info if you provide the 17 digit VIN:

https://www.mdecoder.com/

It gives basic info unless you want to pay, though.
Scroll down. It gives way more info than any other free VIN decode site I've ever found.

For my 95 K75:
Day of production (not month)
Left hand drive (headlight)
Paint color
Options:
ABS
Tail rack
Case mounts
Wheel style
Metzler tires


For my K1600GT it lists way more because those bikes had many more features.


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

15Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Tue Jan 09, 2024 12:50 pm

fishboy316

fishboy316
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Life time member
Hello Jordan!

    

16Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Wed Jan 10, 2024 6:32 am

Rolf E

Rolf E
active member
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First water-cooled BMW for me CJgXTa6ntKcAAAAASUVORK5CYII=

This is very interesting info. Just tried but the VIN numbers on the one's I am needing info on are only 13 or 14 digits. It does not respond. Must one add zeros somewhere?

https://www.teuntin.co.za
    

17Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Wed Jan 10, 2024 12:59 pm

Laitch

Laitch
Life time member
Life time member
Rolf E wrote:First water-cooled BMW for me CJgXTa6ntKcAAAAASUVORK5CYII=

This is very interesting info. Just tried but the VIN numbers on the one's I am needing info on are only 13 or 14 digits. It does not respond. Must one add zeros somewhere?
According to what I read, South Africa has 17-digit VIN like almost every other country. If the number of digits was less in the early 90s, that could be clarified by your motor vehicle department. Adding zeros is unlikely to help. Post a photo of the number at its location on the Brick.


__________________________________________________
1995 K75 90,000 miles
    

18Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Wed Jan 10, 2024 1:16 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Go have a look at this thread - now closed - which I started. If you search through it will reveal what format is needed to search a non-17 digit VIN. You'll find it's simply Xs and the bike model name that get used to fill in the blanks. Just now I'm using a mobile which seriously reduces my ability to be deft and clever to show you an example. 
Smile

Check Your VIN

Try K100RSxxxx(then your 7 digit VIN) to add up to the magic 17 required. If that does not work then it's the decoder site's lack of understanding the earlier format, because that is what I had to do when using the older BMWAG computer.


__________________________________________________
1977 R75/7-100, 1995 R100 Mystic, 1993 & 1996 K1100RS, 1993 K11/K12 Big Block, 2 x 1998 K1200RS, 2006 K1200R & 2009 K1300GT
    

19Back to top Go down   First water-cooled BMW for me Empty Re: First water-cooled BMW for me Sun Feb 04, 2024 12:49 pm

Bernie_K100

Bernie_K100
Gold member
Gold member
Hi Jordan,

First water-cooled BMW for me 177912 to our community!


Bernie

    

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