just recently oppened up my ECU in my S1 to find a chip that has a "collins" sticker on it

would anyone be able to tell me how i can find out what BHP the chip is?

the number on the chip itself is

MC68701S
4A32D
IEUC9037

but when i done a search on the top number it came up a load of technical giberish that i dont understand!

much help appreciated!