These instructions are for fitting the oil restrictor on E36 M3 3.0 Euro S50 engine:BIMMERTUNE E36 M3 3.0 Group N oil restrictorTo find the position for fitting the oil restrictor we have to look at the engine head from the intake side. You should see a screw with internal hexagon in the engine...

These instructions are for the Z4 cruise control wiring kit which can be bought here:Wiring | BMW Z4 cruise controlBimmertune wiring markingColor in instruction drawingsBlue/blackBlueViolet/YellowYellowBrown/blackBrownDepending if your car is left hand drive or right hand drive cruise control wirin...