Air Filter, OEM - G42 M240i, G20 M340i, G22/G26 M440i, G29 Z4 M40i

This is a Mahle OEM air filter for the B58 6-cylinder engine on G42 M240i, G20 M340i, G22/G23/G26 M440i, G29 Z4 M40i, as well as the A90 Supra GR and INEOS Grenadier which also use the BMW B58 engine.

This part is listed by BMW as BMW part number 13718635102 (13 71 8 635 102) and is described as OEM Mahle Engine Air Filter (LX 3985).

This is a Genuine BMW Air Filter with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

This filter also fits the BMW made Toyota Supra GR models which also used the B58TU engine. This part can be used to replace Toyota Genuine part number 17801-WAA01 as well as the BMW number. 

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