Powerflex Tunable Engine Mounts - E36, E46, Z3, Z4M, E9X M3

Hybrid-design allows you to make the mount stiffer for different driving styles.

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Powerflex has a properly-engineered motor mount for E36 325i/328i/M3, E46 323i/325i/328i/330i/M3, Z3 6 cylinder ('97-'02), Z4M ('06-'08) and E90/E92 M3 that features a dual-urethane core and stiffening rods that make the mount tuneable for almost any driving environment.

Powerflex designed this mount to tackle the two main failures of stock mounts: disappointing longevity of fluid-filled mounts and lack of strength when used for drift and track events. At the same time they wanted to eliminate the shortcomings of the popular aftermarket urethane mounts: poor quality that leads to additional failures and hardness that has too much NVH or too little strength.

Any stiffer engine mount improves reliability and performance but comes at the cost of comfort and vibration isolation. Stiffer mounts increase Noise, Vibration, and Harshness (NVH). Powerflex tackled this by using different hardness levels of urethane in their engine mount - a "soft" 65A Red urethane to absorb vibrations and a 80A Purple urethane for greater strength. In addition, the mount can be made stiffer by inserting four 95A urethane rods which further reduce deflection. The strengthening rods are optional but can be added at any time - even from your driveway. The Powerflex motor mount can be tuned for the type of driving you're doing.

Powerflex Motor Mount Features:
  • Innovative dual-core urethane materials
  • Stiffening rods to further reduce deflection by 25%
  • Suitable for Performance Street, Drift, Autocross, or Track
  • CNC-machined and anodized billet aluminum housing
  • Eliminate failure-prone stock mounts
  • Lifetime Warranty


We're excited about this innovative solution for performance engine mounts. It fills a gap between our own performance rubber mounts and our full solid aluminum mounts. These mounts are ideal for the enthusiast who requires a stiffer mount but does not want additional NVH to ruin the driving experience.

We recommend that these mounts be paired with a stiffer, upgraded transmission mount such as from Rogue Engineering.

BMW Fitments:

3 Series
E36 (92-99) > 323ic
E36 (92-99) > 323is
E36 (92-99) > 325i
E36 (92-99) > 325ic
E36 (92-99) > 325is
E36 (92-99) > 328i
E36 (92-99) > 328ic
E36 (92-99) > 328is
E36 (92-99) > M3 (1995)
E36 (92-99) > M3 (96-99)
3 Series
E46 (99-05) > 323Ci
E46 (99-05) > 323i
E46 (99-05) > 325Ci
E46 (99-05) > 325i
E46 (99-05) > 328Ci
E46 (99-05) > 328i
E46 (99-05) > 330Ci
E46 (99-05) > 330i
E46 (99-05) > M3
3 Series
E90 / E91 / E92 / E93 (06-13) > M3
Z Series
E36/7 / E36/8 Z3 (96-02) > Z3 2.3
E36/7 / E36/8 Z3 (96-02) > Z3 2.5
E36/7 / E36/8 Z3 (96-02) > Z3 2.8
E36/7 / E36/8 Z3 (96-02) > Z3 3.0
E36/7 / E36/8 Z3 (96-02) > Z3 M - S52
E36/7 / E36/8 Z3 (96-02) > Z3 M - S54
Z Series
E85 / E86 Z4 (03-08) > Z4 M
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