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Solid Delrin and aluminum subframe mounts for all F30 3-series, and F32 4-series will give your rear suspension the rigidity it desperately needs. Since everything in the rear suspension is tied to the subframe, it only makes sense that this should be as rigid as possible. If the subframe moves, so do all of your control arms, bushings, alignment, and even the output shafts. There's a reason why BMW M stopped using rubber subframe mounts in production street cars.
The Bimmerworld F30/F32 solid subframe mounts are direct replacements for the stock rubber mounts. They form a rigid connection between the subframe and the rear chassis. The Delrin material satisfies class rules in IMSA and other series that prohibit fully solid mounts. These were developed especially for our IMSA 328i race cars. Most of the NVH is absorbed through other rubber bushings in the suspension. Customers who use these on the street have not reported any additional ride harshness with solid subframe mounts. What you will notice is that the rear suspension feels planted and more stable - which is exactly what you want!
Our solid subframe mounts are CNC machined from Delrin and premium alloy and hard anodized for extended protection. Developed and tested on the Bimmerworld F30 328i race cars and Made in the USA.
Fits all F30 3-series, and F32 4-series, including Xi cars. Not for F87 M2, F80 M3, or F82 M4 which have a rigidly-mounted subframe from the factory.
BMW Fitments:
2 Series F22 / F23 (2014+) > 228i F22 / F23 (2014+) > 228i xDrive F22 / F23 (2014+) > 230i F22 / F23 (2014+) > 230i xDrive F22 / F23 (2014+) > M235i F22 / F23 (2014+) > M235i xDrive F22 / F23 (2014+) > M235i-Racing F22 / F23 (2014+) > M240i F22 / F23 (2014+) > M240i xDrive F22 / F23 (2014+) > M240i-Racing 3 Series F30 / F31 / F34 (2012+) > 320i F30 / F31 / F34 (2012+) > 320i xDrive F30 / F31 / F34 (2012+) > 328d F30 / F31 / F34 (2012+) > 328d xDrive F30 / F31 / F34 (2012+) > 328i F30 / F31 / F34 (2012+) > 328i xDrive F30 / F31 / F34 (2012+) > 330i F30 / F31 / F34 (2012+) > 330i xDrive F30 / F31 / F34 (2012+) > 335i F30 / F31 / F34 (2012+) > 335i xDrive F30 / F31 / F34 (2012+) > 340i F30 / F31 / F34 (2012+) > 340i xDrive F30 / F31 / F34 (2012+) > Hybrid 3 4 Series F32 / F33 / F36 (2014+) > 428i F32 / F33 / F36 (2014+) > 428i xDrive F32 / F33 / F36 (2014+) > 430i F32 / F33 / F36 (2014+) > 430i xDrive F32 / F33 / F36 (2014+) > 435i F32 / F33 / F36 (2014+) > 435i xDrive F32 / F33 / F36 (2014+) > 440i F32 / F33 / F36 (2014+) > 440i xDrive
$349.99
BimmerWorld Solid Delrin/Aluminum Subframe Mount Set - F30, F32
Solid rear subframe mount set direct from our F30 IMSA Continental Tire Challenge program
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