BMC Service Bulletins

[LuisM]

I got hold of some nice BMC literature, consisting of +200 service bulletins covering 1962 to 1964, most of them relate to Mini and ADO16 cars, they contain very nice information there. I plan to scan them once we go out of "lockdown" and if there is interest/it is possible, Mark can add to the technical section.
Meanwhile if anyone is looking for some particular information among these 3 years i can search and send pics.
Have also some BMC service bulletins from late 60, early 70's but in Portuguese , maybe not so easy for most members.

Oh, i have one question... what "GN" stands for when identifying the Service Bulletins ?

[LuisM]

Some more examples,
Cheers
Luis

[OzOAP]

Very nice. Interesting reading.

[Polarsilver]

These Service Bulletins are great info and reference .. my interest was your example of the Reversing Light "Gearbox Switch" showing the " Plunger Pin Part Number 22G351" .. for many decades i have wanted to know the BMC official Dia; & length of that small round Pin & it still unknown

[LuisM]

These Service Bulletins are great info and reference .. my interest was your example of the Reversing Light "Gearbox Switch" showing the " Plunger Pin Part Number 22G351" .. for many decades i have wanted to know the BMC official Dia; & length of that small round Pin & it still unknown

here you have it, don't recall where i've got this from... somewhere on the web.
BMC Australia drawing, dated a few years after the Service Bulletin i've posted.

Cheers
Luis

[Spider]

Nice 'score' there Luis and very kind gesture.

[bwaminispeed]

Neat, we were just scratching our heads over that reverse light switch.......

[winabbey]

here you have it, don't recall where i've got this from... somewhere on the web.
BMC Australia drawing, dated a few years after the Service Bulletin i've posted.

That came from my library.

[LuisM]

That came from my library.

now i know, you posted on TheMiniforum and i've found it while searching for the same plunger!

Thanks
Luis

[Polarsilver]

So we are all happy now that we have found out the correct size of our Plunger .. Big Thanks.

[winabbey]

To complete the BMC specification of the reversing light facility here's the engineering drawing for the Lucas switch part 34887 (also known by other part numbers).

AYB9194 Reversing Light Switch.jpg

[Polarsilver]

that info answers another question of what is the Lucas Reversing Switch thread type & size .. so now i know "5/8 UNC x 11tpi " .. Many Thanks.

[AndyPen]

This would be such a great resource... you guys help us all so much

[LuisM]

To complete the BMC specification of the reversing light facility here's the engineering drawing for the Lucas switch part 34887 (also known by other part numbers)

nice thanks!