BMW rear differential side oil SEAL set (2pcs) for 188K type diffs. One set is needed for one diff (both side seals)
Made by Corteco company which makes original BMW seals. OEM quality.

BMW part NUMBER  33107505604

Dimensions: inside 44 mm --- outside 90,1 mm --- width 10/15,5mm

Fits all type 188K differentials. These are found in:

- BMW 1 series years 2004 - 2011 (120d, 125i 128i, 130i and some other models)

- BMW 3 series years 1999 - 2011 (318d, 320d, 318i, 320i, 323i, 325i, 328i, 330i and some other models)

- BMW 5 series years 1998 - 2010 (520d, 525d/tds, 525i, 528i, 530i and other models)

- BMW Z4 (all models except Z4M and Z4 3.5i)

- Other BMW with 188k differentials (some X1, X3, X5, 6-series and 7-series)