1) Battery to the hatch and install the SAP where it would be in a 328. 2) SAP simulator, you can buy them already made or make one yourself. e36-electronic.com 3. Swap tune can turn off anything you don't want turned on. I went with markert motorworks and have been very happy with their tune, lots of other great tuners out there too. __________________ ~Dave~ 98 328ti Morea Grun slicktop 11 128i space gray slicktop 13 JGC WK2 Deep Cherry Search | RealOEM |