Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).
Instead of completely replacing the mount, simply make a billet aluminum insert for them. This leaves the feel of the factory mount in place but stiffens them up quite a bit removing unwanted engine movement without rattling your teeth out or emptying your wallet.
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Sometimes, engine mounts can fail early because of large variations between the ambient and operating temperatures, vibrations or load on the motor. This results in unstable driving behavior and disturbing noises. Defective engine mounts are therefore not just a danger to safety, they also influence driving comfort significantly and should therefore be changed. MEYLE has a comprehensive range of full-rubber hydraulic and electric or pneumatic switchable engine mounts. To ensure a long lifetime for MEYLE-ORIGINAL engine mounts despite the large static, dynamic, and thermal loads, we have ensured that we use excellent quality materials for the parts. The materials used are selected specifically for the vehicle and are subject to strict quality control from development to the finished product. All MEYLE-ORIGINAL engine mount specifications at a glance: Comprehensive range of MEYLE-ORIGINAL engine mounts for more than 172 million vehicles in Europe Largely Made in Europe Excellent quality proven in test runs Superb damping and insulation capability Strict quality assurance in material characteristics as well as during the entire development and production process
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