Description
The EM-4963 Rear RH Engine Mount is a high-quality replacement component designed to suit the BMW 320i 2.0L, particularly models in the E90 series (2004–2007) equipped with the N46B20 4-cylinder petrol engine. Manufactured to meet OEM specifications, this mount ensures precise fitment, reliable performance, and long-term durability—making it an essential part for maintaining the smooth operation of your BMW.
⚙️ Purpose & Function
Engine mounts are critical for securing the engine to the chassis while isolating vibrations and absorbing shocks from road surfaces and engine operation. The rear right-hand (RH) mount plays a vital role in stabilizing the drivetrain during acceleration, braking, and cornering. In the BMW 320i, this mount helps maintain correct engine alignment, ensuring optimal power transfer and reducing stress on surrounding components.
🧩 Compatibility & Fitment
The EM-4963 is specifically engineered for the rear right-hand position and is compatible with BMW E90 320i 2.0L petrol models produced between August 2004 and September 2007, in both manual and automatic transmission variants. Its design matches the original factory part, allowing for a direct bolt-on installation without modifications.
🛠️ Construction & Materials
Built with a reinforced rubber compound bonded to a high-strength steel housing. The EM-4963 designs to withstand the demanding conditions of the engine bay. The rubber element effectively absorbs vibrations and noise. In the meanwhile, the steel structure provides the rigidity needed to keep the engine securely in place. This combination ensures resistance to heat, oil, and mechanical stress, extending the mount’s service life.
🚗 Performance Benefits
Replacing a worn or damaged rear RH engine mount with the EM-4963 offers several key advantages:
- Reduced cabin vibration and noise, restoring BMW’s signature smoothness
- Improved drivetrain stability for better handling and throttle response
- Protection for connected components such as the exhaust system, hoses, and wiring
- Preservation of transmission and suspension alignment, preventing premature wear
A failing mount can cause excessive engine movement, leading to clunks, harsh vibrations, and even damage to other parts. The EM-4963 restores the refined driving feel expected from a BMW.
🧰 Installation & Maintenance
While experienced DIYers can install this mount, professional fitting recommends to ensure correct torque settings and alignment. For balanced performance, it’s advisable to replace both rear mounts at the same time.
In summary, the EM-4963 Rear RH Engine Mount is a dependable, OEM-quality solution for BMW 320i owners seeking to maintain comfort, performance, and reliability.






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