This is from Ayrton Senna's Mercedes-Benz E190 Cosworth.

I'm trying to identify the font on the side of the car, any help will be appreciated.

I'm sorry the letters aren't bigger, most other pictures are taken at an angle.

Thanks!

Microgramma Bold Extended  Suggeriti da ocelotr 

I use this font like everyday,
it's Microgramma D OT Bold Extended font

That's it! Excellent!

Many thanks, ocelotr.