Turbocharger, BMW - G42 M240i, G20 340i, G22 440i, X3/X4 M40i, Z4 M40i, B58D

This part is listed by BMW as BMW part number 11657934387 (11 65 7 934 387) and is described as a complete turbocharger with manifold for the B58D (B58TU) engine for G42 M240i, G20 M340i, G22/G23 M440i, X3/X4 M40i (2020+), and G29 Z4 M40i. It's also used on 2023+ A90/GR Supra LCI.

This is a Genuine BMW B58 turbo 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.

Price includes a $590 core charge which may be refunded upon the return of your rebuildable B58 turbo.

A core charge applies to this purchase. The supply of original parts for rebuilding keeps the final purchase price low. The core must match the part that was supplied in terms of fitment, type, application, accessories, and hardware. Damaged or modified cores will not receive a refund. A core charge can only be refunded once the core has been inspected and approved. Click here for our Core Policy.

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