Dorman - OE Solutions Differential Cover P/N:697-704
Dorman 697-550 differential cover for the 1998-1999 BMW 323i and other vehicles covers the differential with added bracing and thicker ribs. It replaces an original cover that can break at its mounting position.
When the original cover breaks, the rear axle can shift in place. Cracks near the mounting points or fluid seeping around the cover can be signs of a problem, though a leak can have other sources. Before replacing it, look the area over with the engine off and the car cool to find the cause. This listing is one cover, and each vehicle takes one.
The 1998-1999 BMW 323is, 1996-1999 BMW 328i and 1998-1999 BMW 323i all take this Dorman differential cover, along with other vehicles. It is application specific, made for certain BMW 3 Series model years.
Fit and size
Build and materials
One differential cover. The cover bolts and any gasket or seal are not included, so plan on new bolts rather than reusing the old ones.
Interchange: 33112227317
This part cross-references / interchanges with the following part numbers:
Is the Dorman 697-550 differential cover right for the 1996-1999 BMW 328i?
Yes. Dorman 697-550 fits the 1996-1999 BMW 328i, plus the 1998-1999 BMW 323i and 1998-1999 BMW 323is. If your BMW is not one of these, look for it in the "Vehicles it fits" section.
Does the Dorman 697-550 differential cover come with bolts?
No. The Dorman 697-550 comes with its filler plug, but the 8 cover bolts and any gasket or seal are not included, so plan on new bolts.
Is this differential cover aluminum or steel?
Aluminum. The cover is built with additional bracing and thicker ribs.
How do I spot a broken differential cover on my BMW?
Cracks near the mounting points or fluid seeping around the cover can be signs. If the rear axle seems to have shifted, a shop can check it.
Why does the Dorman OE FIX differential cover have extra ribs?
The original cover on certain BMW 3 Series models may break at its mounting position and let the axle shift. This replacement adds bracing and thicker ribs to prevent future failures.
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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.