Dorman - Autograde Spindle Nut P/N:615-148
Secure the front hub on its spindle with the Dorman spindle nut, part number 615-222, an M30-1.50 nut from the Dorman - Autograde line. It fits many vehicles, among them the 2003-2008 BMW Z4, 2001-2006 BMW M3 and 1992-1997 BMW 325i, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list and engine details.
A spindle nut threads onto the end of the spindle and holds the hub and wheel bearing in position. This nut uses the M30-1.50 specification and is cataloged for the front position. Signs it may need replacing include damaged threads, a nut that has worked loose, or a nut that is missing. When installing it, tighten it to the torque given in your vehicle's service information. That information also tells you whether the original nut may be reused.
Interchange: 31211128336
This part cross-references / interchanges with the following part numbers:
What does a spindle nut do?
It threads onto the spindle and holds the hub and wheel bearing in position. The Dorman 615-222 is cataloged for the front position on the listed applications.
What thread specification does the Dorman 615-222 use?
The manufacturer lists it as an M30-1.50 spindle nut.
Which vehicles does this spindle nut fit?
It fits many BMW models, among them the 2003-2008 BMW Z4, 2001-2006 BMW M3 and 1992-1997 BMW 325i. See the Buyer's Guide tab for the full list.
Is this the same as a Dorman axle nut?
People often search for spindle nuts and axle nuts under either name. This Dorman part is cataloged as a front spindle nut with M30-1.50 threads for the listed applications.
Can I reuse my old spindle nut when installing this one?
Check your vehicle's service information for the correct torque and for whether the original nut may be reused, and follow that procedure when installing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.