I see what you mean try this one there is a trick to it....
http://m-power.lv/files_misc/E30%20m3%2 ... 412240.htm

Or this one....

http://www.bimmerforums.com/forum/showt ... ent-anyone

This might help bud......

http://bmwe30love.blogspot.co.uk/2011/0 ... f.html?m=1

P.S. To get at the gauges you have to remove the drivers side cowling (kick panel/under dash trim) using the 3 plastic retaining screws. Careful these panels are difficult to replace so be delicate, you will need to unscrew head light adjustment control to remove it completely. Then you can access t...

With your interior fan you should first investigate the heater blower motor, accessed through the engine bay. There's plenty of videos on YouTube such as this one : https://m.youtube.com/watch?v=o0p1dNGQH0w With the Rev counter the first thing to check is its not a loose nut at the back of the gauge...

Have you done anything to the cooling system such as drained and refill? There is definitely a knack to bleeding which if not done properly will cause high temperatures. As Brian said first thing to check is the fan with a rolled up news paper, if she stops easily it's knackered. If it requires repl...

What's the crack must I bring my rust bucket to get a ticket, was hoping to just stare wide eyed at the lovely examples I wished I owned?