riggers

ok folks I'm new here and need some advice 

I Have a 2.0L   Z3    yr 2000    K100,000    its just failed MOT mainly on brake lines and pads Etc bodywork quite good except for both front wings and both sills , wife loves the car , big question is do i swap it for a Z4 or do i throw 3-4 grand into it and fully restore it to mint condition. 

does anyone know where to get body panels and part if i go down the restore route 

ok folks I'm new here and need some advice 

I Have a 2.0L   Z3    yr 2000    K100,000    its just failed MOT mainly on brake lines and pads Etc bodywork quite good except for both front wings and both sills , wife loves the car , big question is do i swap it for a Z4 or do i throw 3-4 grand into it and fully restore it to mint condition. 

does anyone know where to get body panels and part if i go down the restore route 

thanks