viper5900 on bmw 96 328is coupe

I am installing this on a 96 328is coupe. Does anyone have a wiring diagram? Also I can not find the tach wire any help? Does this need a resistor in it for the key bypass? and if so how do I find out the resistance? Thanks in advance!

for a 1996 BMW 328IS 2DR SEDAN Audiovox lists:      Remote Start                                              WIRE          COLOR          POLARITY          LOCATION      Battery          RED / GREEN          (+)          OR RED / BLU IGNITION HARNESS      Ignition 1          GREEN          (+)          IGN HARNESS GRN ALARM PLUG      Ignition 2          VIOLET          (+)          OR VIO/WHT IGNITION HARNESS      Accessory 1          VIOLET          (+)          IGN HARNESS OR VIO/WHT ALARM PLUG      Starter 1          BLACK/ BLUE          (+)          IGN HARNESS GRN/BLK ALARM PLUG      Anti-Theft Type          RF ACTIVATED SYS.      Anti-Theft Descript          EWS II      Tachometer          BLACK          (-)          DIA. PLUG PASS SIDE OF ENG ROUND BLK PLU      Speed Sense          BROWN / RED          (AC)          IN HARNESS FROM GAUGES      Parking Lights          REMOVE SWITCH          (+)          4TH WIRE FROM LEFT ON RIBBON CABLE (NOTE FOURTH WIRE FROM LEFT LOOKING AT SWITCH IN RIBBON CABLE      Brake Lights          BROWN / WHITE          (+)          SWITCH ABOVE BRAKE PEDAL      Horn          BROWN / RED          (-)          STEERING COLUMN Power Unlock          BLUE/RED          (-)          PIN 22 THIS WILL DISARM ALARM DOUBLE PULSE      PowerLock          WHITE/ BLACK          (-)          PIN 20 OF MODULE BEHIND GLOVE BOX

and you have to give a key up to bypass for remote start click here for bypass info