Oil filter 

original Knecht

suitable for Alpina E30 C1 2.3 and 2.5

is needed 1x per vehicle

suitable for the following OE numbers:

11421264508

11421266773

11421287836

11421707779

11421761087

11429061198

1264508

1266773

1707779

1761087

9061198

suitable for the following engine codes:

C1/1  (M20 B23)

M20 B25 (256KE1)

Height: 120 mm

Outer diameter: 76 mm

sealing ring diameter: 62 mm

thread dimension: 3/4" 16UNF-2B

tightening torque: 20 Nm

Filter design: spin-on filter with one return valve