Starter diaphragm for carburettor 32/44 and 32/54 4A1

Starter diaphragm for carburettor PIERBURG on BMW / OPEL

=  Reference PIERBURG 51801700

from dimension du plateau diameter 132mm  and 160mm / Between 2 Mounting holes 25mm

Length total 73 mm

for carburettor 32/44 4A1 on BMW 320 / 520

for carburettor  32/54 4A1 on BMW 525 / 630

for carburettor 32/54 4A1 on OPEL