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Drivetrain Mounts and Upgrades for BMW 6 Series E63 (2004-2010)

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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Street Density Transmission Mount - Sold as Set of 2

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:24079616

Part#: 034-509-4062

In Stock

$ 25.00 USD

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$ 25.00 USD

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Designed with both comfort and performance in mind, the Street-Density line from 034Motorsport is the perfect choice for the OEM+ enthusiast. These mounts feature high-durometer rubber construction to keep NVH low. However, they do not utilize the same fluid-filled technology as the factory mounts, eliminating all slop to deliver power more efficiently.

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BMW E9X M3/E6X M5/M6 Polyurethane Transmission Mounts

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T#:1105943

Part#: PTM-E9XM395A

Back Ordered

$ 119.99 USD

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$ 119.99 USD

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BMW E9X M3/E6X M5/M6 Polyurethane Transmission Mounts offer superior performance for both street and track use with their 95A durometer rating. These mounts are engineered by Revshift to provide maximum durability and reliability.

High-Performance Material: Made from high-grade polyurethane in the U.S.A., ensuring longevity and resilience.
Durable Construction: CNC machined 6061-T6 billet aluminum flanged ends are embedded deep into the polyurethane to prevent separation under extreme loads.
Easy Installation: Features removable class 14.9 threaded studs with a hex wrench for simple and convenient installation.
Versatile Use: Ideal for street driving and track applications, combining performance with comfort.
Precision Engineering: Manufactured and tested in-house at Revshift’s Detroit facility, utilizing advanced machining technologies and quality control processes.

Revshift Performance Engineering is renowned for its commitment to quality and performance, making these transmission mounts a reliable choice for enhancing vehicle handling.

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Performance Polyurethane 95A Differential Bushing Set - E6x M (Full K...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:638460

Part#: 026809ECS10KT

In Stock

Sale - Save 3% $ 178.99

This product was last offered at the strikethrough price on
05-03-2026

$ 173.62 USD

Add to Wish List

Qty

Sale - Save 3%

$ 178.99

This product was last offered at the strikethrough price on
05-03-2026

$ 173.62 USD

Add to Wish List

Differential bushings are responsible for keeping your rear end planted during the delivery of power to the rear wheels. As these bushings age, they wear out and should be replaced. If you ever see your bushings are cracked, it is time to replace them. By eliminating the drivetrain deflection that factory rubber bushings permit, throttle response is improved, and the tendency for a car to “Wheel Hop” is significantly reduced. Upgrade to ECS Poly Diff Bushings and feel the difference!

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