My s7 air suspension front lower arm bush is failing, I brought the parts from Audi, but they can't fit it until two months later, they all booked out, and labour quote is $1300

I.m kind of heading out a long trip, my mate garage can do it, he just wants to know is there any special tool to fit this?

It quote I have to drain the air suspension, is that a special tool and do I need recoding afterwards? And do I need wheels alignment afterwards?

I uploaded the Audi job and parts I brought, if there is any video link on fitting or advice please help, happy new year

SmartSelect_20221223_094903_Baidu.jpg

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