Belt Tensioner Idler Pulley, OEM- E30 318i M42

This part is listed by BMW as BMW part number 64551721844 (64 55 1 721 844) and is described as the Fan Belt Tensioner Idler Pulley for 1988-1992 BMW E30 318i.

This is an OEM M42 idler pulley manufactured by INA Schaeffler - 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.