1987 BMW 318i coupe..

[limitlessBREED]

how can i make it go faster.
with out doing a engine swap.
it either has a m40 or m10 injected

i was thinking migger intake pipe with a aftermarket hks or kNN pod filter

REMOVING the resonator and adding a new silencer twin pipe.
lowwerd springs
17inch mags

any thing else?
its a daily car