faulty rear wiper motor

[a3 sportback man]

hi i hope your ok,does anyone know if its expensive for new rear wiper motor  fitted for a 2010 audi a3 sportback,i have a leak around bottom of rear glass water getting in boot thats caused the rear wiper motor to malfunction it keeps coming on without me turning switch on a knightmare ill have to have rear glass resealed ,has anyone had this problem with there older audi a3 ,take care,stay safe everyone,cheers

[ekimj10]

I had mine replaced under warranty on 2016 model and it was replaced in under 30 minutes, cost of the replacement (Valeo if I remember) was around £60.00, not expensive.