What is this part (inner arch connecting to wishbone via a drop link looking rod)

[Kave]

Is it the xenon self levelling?

 

[S3Steve]

Yes mate thats the xenon leveling unit

 

[s3dave]

yes one on the drivers rear too,

 

[S3Steve]

yes one on the drivers rear too,

Passenger side rear mate

 

[Dani_B19]

Yeah, the rears on the passenger side, well is on mine.