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Injector testing
Hi guys. My 07 e91 has a specific sound when revving. It sounds quite fast paced and resembles a light chiseling sound. I've owned a couple motors in the past that have had obvious injector issues and it sounds a lot like that. It also smells of burnt fuel too so i'm wanting to test the injectors. Is there an easy way to test all four? On the earlier lumps you could just pull the electrical plug on them and you would notice a big difference in the noise. The engine is a 2.0 m47n2
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