Its not an M3, M3 have higher trunk and whider C pillar as Ghostbat said, this just have M3 bodykit.
It had too much power for simple 2,5 so it was 2,5 or 3,5(from e34 or e32) with turbo or 3,5 engine. I thought I heard turbo sound thou.
@Shini - watch out theres E30 mafia on JW 8)
__________________

.................................................. .............................
"...free your mind and the body will follow..." - THE MATRIX