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This part is listed by BMW as BMW part number 33316770781 (33-31-6-770-781) and is described as Rear Axle Carrier (Subframe) Rubber Mounting/Bushing for the REAR/AFT position - as used on E46, Z4 and X3 BMW chassis.
This bushing is one of the contributors to rear subframe sheet metal failures on 1999-2006 E46 3 Series and other BMWs that use this design like the Z4 and first generation X3. The mount is made of rubber, which breaks down with age and mileage. It's very common for these rubber subframe mounts to be shot on cars over 100,000 miles (or less on aggressively driven cars.) As they fail, it allows excessive movement and increases fatigue on the sheet metal attachment points, contributing to the formation of cracks at or near the subframe mounting points. Once a tear or crack forms in the metal it will grow with time and miles, wreaking havoc. Our first recommendation is a set of stiffer Powerflex polyurethane subframe mounts that flex less than stock rubber.
We recommend checking these bushings when looking for signs of subframe failure. If you are fortunate to not have any subframe cracks, it's certainly a good idea to refresh these bushings as a preventative measure.
Sold individually, 2 required per car. Be sure to add two to your cart.
If you are looking for a more durable replacement, or would like to use a more solid material for handling and performance reasons, please be sure to check out our Powerflex bushings made of high-grade urethane.
For questions, full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
BMW Fitments:
3 Series E46 (99-05) > 320i E46 (99-05) > 323Ci E46 (99-05) > 323i E46 (99-05) > 325Ci E46 (99-05) > 325i E46 (99-05) > 325xi E46 (99-05) > 328Ci E46 (99-05) > 328i E46 (99-05) > 330Ci E46 (99-05) > 330i E46 (99-05) > 330xi X3 Series E83 X3 (04-10) > X3 2.5i M54 (2003-2005) E83 X3 (04-10) > X3 3.0i M54 (2003-2006) E83 X3 (04-10) > X3 3.0si N52 (2007-2010) Z Series E85 / E86 Z4 (03-08) > Z4 2.5i M54 E85 / E86 Z4 (03-08) > Z4 3.0i M54 E85 / E86 Z4 (03-08) > Z4 3.0i N52 E85 / E86 Z4 (03-08) > Z4 3.0si N52 Z Series E89 Z4 (2009-2016) > Z4 sDrive28i E89 Z4 (2009-2016) > Z4 sDrive30i E89 Z4 (2009-2016) > Z4 sDrive35i E89 Z4 (2009-2016) > Z4 sDrive35is
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$24.15
Rear Subframe Mount, Rear, Lemforder - E46 323i/325i/328i/330i, E83 X3, Z4
OEM Replacement to BMW # 33316770781
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