Description
The EM-4955 Front LH/RH Engine Mount is a high-quality replacement component designed to suit the BMW 520i 2.0L, particularly models from the E28 series (1980–1990). Engine mounts are critical to vehicle performance, and the EM-4955 delivers the stability, vibration control, and durability expected from a premium aftermarket part.
⚙️ Purpose & Function
Engine mounts serve as the connection between the engine and the vehicle’s chassis. Their primary role is to secure the engine in place while absorbing vibrations and shocks generated during operation. The EM-4955 is designed for front left and right positioning, meaning it supports the engine from both sides. Helping maintain alignment and balance. This is especially important in the BMW 520i, where smooth engine operation contributes to the car’s refined driving experience.
🧩 Compatibility & Fitment
Tailored to fit the BMW E28 520i and 525 models, the EM-4955 is manufactured to meet OEM specifications. Ensuring a precise fit without the need for modifications. Whether you’re restoring a classic 520i or maintaining a daily driver, this mount offers a reliable solution that matches the original part in size, shape, and performance.
🛠️ Construction & Materials
Produced by Boonma, a trusted name in automotive components, the EM-4955 features a robust combination of reinforced rubber and metal. The rubber compound engineers to withstand heat, oil exposure, and mechanical stress, while the metal bracket ensures secure anchoring to the chassis. This dual-material design allows the mount to absorb engine vibrations effectively while maintaining structural integrity over time.
🚗 Performance Benefits
A worn or damaged engine mount can lead to excessive engine movement, increased cabin noise, and even damage to surrounding components. Replacing it with the EM-4955 restores proper engine positioning and reduces vibration, resulting in a smoother, quieter ride. It also helps protect the transmission, exhaust system, and other connected parts from premature wear.
🧰 Installation & Maintenance
Installation is straightforward for experienced mechanics and DIY enthusiasts. It recommends to replace both left and right mounts simultaneously to maintain balance and ensure consistent performance. Regular inspection of engine mounts can prevent costly repairs and preserve the vehicle’s handling characteristics.
In summary, the EM-4955 Front LH/RH Engine Mount is a dependable, cost-effective upgrade for BMW 520i owners seeking to maintain the precision and comfort of their vehicle.






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