A friend has sent me an article suggesting that ‘swirl flaps’ can fail on post-2003 BMW 530d models and cause serious damage. What are swirl flaps? Does this apply to my 2010 F10 model and, if so, ...
Swirl flaps mix the air and fuel in car and diesel engines, making them more efficient at low speeds. But tar often builds up on the flaps over time, jamming them in one position. Posting on TikTok, ...
My BMW 320d, 04 plate, broke down a few weeks ago with a clattering sound. It was towed to the garage. They said that one of the swirl flaps had fallen into the engine. The garage is looking for a ...
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