Drivetrain Mounts and Upgrades for BMW E21 320i M10 1.8L

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From the factory, engine and transmission mounts are rubber and thus a wear component. Worn out engine or transmission mounts create sloppiness and a disconnect between the driver and your BMW's powerplant. If your vehicle is purpose built for the track, we recommend solid engine and transmission mounts. These have zero deflection, but come at the expense of added NVH (noise, vibration, and harshness). Poly engine and transmission mounts offer a good balance between OEM rubber and solid mounts for those with mixed purpose vehicles, offering great performance and connection with little sacrifice in terms of NVH.

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Revshift - Corporate Logo
T#:600155
Part#: PTM-BT
In Stock
$ 59.99 USD
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$ 59.99 USD
Free Shipping
These trans mounts fit almost all BMW cars excluding the E30 M3 and a few older models. They commonly fit the E30, E36, E46, E9x, E8x, F3x, F8x, E21, E34, E39. Common BMW part numbers that these trans mounts replace are: 22316799331 22322282340 23711175939 23711175424 23701141614 22316796619 22312284819 Revshift polyurethane transmission mounts are made in the U.S.A. from high-grade polyurethane. Revshift mounts are the most durable and reliable mounts on the market. CNC machined billet aluminum flanged ends are embedded deep in the urethane which prevents the isolated ends from separating under extreme loads. Utilizing class 14.9 alloy steel removable screws these mounts will hold your transmission in place for a lifetime. To further ensure the strength of these mounts we form the threads with a forming tap which creates denser and stronger threads in the billet aluminum ends pieces. These mounts have removable screws for ease of installation. We recommend using Loctite on the threads during installation. Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.
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Powerflex - Corporate Logo
T#:554702
Part#: PFR5-1625X2
In Stock
$ 89.99 USD
Free Shipping
$ 89.99 USD
Free Shipping

Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.

By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components. 

Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved acceleration response, more direct shifting feel and overall improved drivetrain composure with Powerflex performance polyurethane bushings.

Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers. 

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Transmission Mount
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URO - Corporate Logo
T#:377296
Part#: 23711175424
Ships in 2 Business Days
Sale - Save 8% $ 10.99
$ 10.07 USD
Free Shipping on orders $49 and up
Sale - Save 8% $ 10.99
$ 10.07 USD
Free Shipping on orders $49 and up
w/Automatic Trans

Febi Transmission Mount - E21
2X Entries For Our Spin To Win Sweepstakes! We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:381872
Part#: 23711109173
Ships in 2 Business Days
$ 11.52 USD
Free Shipping on orders $49 and up
Mounted at the rear of transmission on crossmember

Genuine BMW Transmission Mount - 528e E21 320i
For vehicles with production date from 09/1979
Genuine BMW - Corporate Logo
T#:7591
Part#: 23711175424
Ships in 1-2 days
8% off MSRP $ 75.99
$ 69.99 USD
Free Shipping
8% off MSRP $ 75.99
$ 69.99 USD
Free Shipping
GENUINE BMW MANUAL TRANSMISSION RUBBER MOUNTING 23711175424.--

This item fits the following BMWs:
BMW 3 Series - 320i
BMW 5 Series - 528e

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Genuine BMW - Corporate Logo
T#:22701
Part#: 23711246004
Ships Jul 9, 2025
7% off MSRP $ 60.99
$ 56.99 USD
Free Shipping on orders $49 and up
7% off MSRP $ 60.99
$ 56.99 USD
Free Shipping on orders $49 and up
Genuine BMW RUBBER MOUNTING.--

This item fits the following BMWs:
BMW 1600, 2002, 2002tii
BMW 3 Series - 320i

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