Yes, I welded the radar bracket myself, its work perfectly. Don't worry about it, you can that. Only dont forget, The bracket should be at a 90 degree angle and and welded in the middle of the bumper.
If you can do it perfect, you don't change iron. It's work like original
Yes, just need odis and vas5054a. Need radar online activation from Fazit via geko access, after installation. But don't worry I can do activate that radar remotely. And you have must same part number (5Q0907561D). Is your car auto or manual gear ?
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No, dont worry Just backup your current abs and change it. Acc code is not swapped at the abs pump, it is in acc radar. So you can change and swap it. If you need help pm meI have a question regarding this,if i change over the ABS pump to a used one which came from a car that had ACC from factory and i put in my coding as well as the coding for ACC would there be any issues like ESC,Start/Stop,Front Assist,Tyre Pressure Loss Indicator & Park Pilot and would these Errors occur because there was no SWAP code for it on my car?