Crankshaft Sprocket, OEM - E21 320i 79-83, E30 318i

This part is listed by BMW as BMW part number 11211265010 (11 21 1 265 010) and is described as the front crankshaft sprocket for the oil pump chain and timing chain on M10 engines used in 1979+ E21 320i and E30 318i.

Replace the sprocket if the teeth are sharp or have significant polishing.

This is an OEM crank gear manufactured by the original supplier to BMW for this part, as well as many other engine components. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.