accelerate

Hello, I drive a e36 325i vanos wtih 155.000 km from the year 1992. What I need is more acceleration. Now I need your help! What could I do? Changes done: I replaced the default bmw front seats with two sparco competitive sprinter race seats. I replaced the default air filter with an K&N...

i have a manual 03 350 touring. So to the problem, its every time i go to somewhat heavy accelerate its seems to go in to a kind of neutral than catches. i feel like its either clutch/clutch needing adjusted/transmission. Another issue im having is everytime i go to 5th it grinds unless i let...