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How to Solve the Clicking Noise When Accelerating in BMW 320?

2 Answers

OAdelyn

07/29/25 5:04am

Solutions for the clicking noise when accelerating in BMW 320: 1. Replace the generator. 2. Replace the tensioner and belt to resolve the issue. Below is an introduction about the tensioner: 1. Device: The tensioner is used for belt tensioning in the automotive transmission system. 2. Composition: The tensioner mainly consists of a fixed housing, tensioning arm, wheel body, torsion spring, rolling bearing, and spring bushing. It can automatically adjust the tension according to the belt's tightness, ensuring stable, safe, and reliable operation of the transmission system. 3. Wear and Tear: The tensioner is a wear-prone component in automotive parts. Over time, the belt may stretch, and some tensioners can automatically adjust the belt's tension. Additionally, the tensioner makes the belt run more smoothly, reduces noise, and prevents slipping. 4. Function: The tensioner is used to adjust the tightness of the timing belt. It is generally replaced along with the timing belt to avoid future issues. Other parts do not need replacement as long as regular maintenance is performed.

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MadelineLee

08/12/25 8:42am

I used to drive a BMW 320, and that annoying ticking sound during refueling was really irritating, most likely due to engine knocking. When I encountered this issue, the mechanic checked and said it was caused by excessive carbon deposits or inaccurate ignition timing, leading to abnormal gasoline combustion. It might also be related to aging spark plugs—if they're severely worn, they need to be replaced promptly. I suggest you avoid long-distance driving for now and try using higher-octane 95-grade gasoline to alleviate the symptoms, while also checking if the air filter is clogged. From a safety perspective, prolonged neglect of this sound could damage the cylinders. My neighbor ignored it last time and ended up needing a major engine overhaul. Hurry to a professional shop and use diagnostic tools to check—repairs might cost around a couple thousand, so don’t lose big for small savings. Regularly using fuel additives to clean carbon deposits can also prevent this issue.

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How to Open the Hood of a Honda CR-V?

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