There are small rubber buffers fitted to the rear bumper which act as a spacer and maintain a even gap between bumper and rear wing,
missing on this side
![](http://i1174.photobucket.com/albums/r612/z3mcoupe1/IMG_0024.jpg)
present on this side
![](http://i1174.photobucket.com/albums/r612/z3mcoupe1/IMG_0025.jpg)
They are available from dealers at £.64 each but only in packs of 10
(they are also fitted to the rear screen of the MC)
part number 51311925433 buffer
missing on this side
![](http://i1174.photobucket.com/albums/r612/z3mcoupe1/IMG_0024.jpg)
present on this side
![](http://i1174.photobucket.com/albums/r612/z3mcoupe1/IMG_0025.jpg)
They are available from dealers at £.64 each but only in packs of 10
(they are also fitted to the rear screen of the MC)
part number 51311925433 buffer
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