Intake Kit Installation Instructions: BMW 5 Series 525i,528i & 530i (E39). Complete kit with parts. Step 1. Remove OE air box from vehicle. ... BMW. Model: 5 Series 525i, 528i & 530i E39. Engine: L6-2.5�2.8 & 3.0L. Year: 1997-2003. Tools Required. 8mm socket. 5/16" nut driver. 10mm socket download 1997 bmw 528i wiring diagram here
