Due to their battery pack Battery Electrical Vehicles (BEVs) tend to be heavier than petrol cars. Steering and suspension parts for this type of car are therefore subjected to more stress and thus require an optimized design. Besides, the faster accelleration of BEVs results in higher torque what means that ball joints in these cars need to be stronger for a higher security of the driver. On top, BEVs produce less noise and vibration. That is why Sidem’s silent blocks are reengineered to optimize the driving comfort.

“At present (May 2023), Sidem has 960 unique references for 32 European and Asian BEV brands, in total 147 private and light commercial models. Which means a relevant coverage of 83,66%, the highest score within the aftermarket.”

Highest coverage

Being the expert for steering and suspension car parts, Sidem has an extensive range of references, available from stock. All engineered and produced in Europe.

Silent blocks for BEV

Since electrical cars produce less noise and vibration compared to cars with internal combustion engines, the suspension system in a BEV is designed with a greater focus on minimizing road noise and vibrations transmitted to the cabin. This leads to the use of more advanced materials and designs in the suspension components. This is where silent blocks come into play. They support movement and isolate vibrations and noise resulting in higher driving comfort.

 

Some examples of silent blocks used in Battery Electrical Vehicles are within an Audi e-Tron and a Mercedes EQC. For example in the Mercedes, Sidem’s silent block has an additional metal ring in the rubber to guarantee an extra silent driving mode. For the Audi e-Tron’s front axle, Sidem used a stronger version of the lower front silent block by adding an extra metal ring to the rubber. For the lower rear silent block on this car, a silent block with hydraulic spaces is designed to ensure the absorption of vibration noise and consequently ensuring a higher driving comfort.

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