T25 is too small. It's off 1.8-2.0L and are even small for those. It will spool quick, but you'll have no top end, and it will probably kill the turbo very quick.
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
02 325i Sedan