BMW Standalone MS45.1 for the M54B25 2.5 engine.
This ECU DME has EWS Off / Disabled Immobilizer.

Note - Factory emissions , no changes.

This engine computer is for the 2.5 liter M54B25 engine as used in the 325i 325ci e46 3 series and e39 5 series 525i, works for automatic and manual transmission or if you are doing an engine swap into another chassis such as E30 / E36. 

• Make sure your car is using MS45.1 dme, as opposed to MS43, look at the dme in the car , takes a few minutes .

• You may need to do a throttle adaptation reset in some cases arm EML light will appear 

• EWS wires will need to be bypassed in order for car to crank there are lots of videos on YouTube on how to do this. It is an easy process.