RCT can help you with KW1 install and alignment for around your price. They're located in College Point, Queens. They did both for me as well.
'14 SG F15 - MSport
'08 AW E92 - OEM MTech w/ CF Lip | OEM Aero Rear w/ CF diffuser | M3 side w/ CF splitters | Orion V4 w/ CF housing | CF Interior Trim & Wheel | F30 CF Perf knob | Helix FMIC | VRSF Coated DPs | Stett w/ Tial | Injen DCI | KWV1 | Rays G07ex w/ Michelin Pilot SS