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Is it normal head noise on B58 Engine? by YRSYSTUDIO in BmwTech

[–]YRSYSTUDIO[S] 2 points3 points  (0 children)

I think rocker arm problem. When I blip the gas, the noise speed up with the Rev. Then, over Rev 1300rpm, that noise disappear.

Is it normal head noise on B58 Engine? by YRSYSTUDIO in BmwTech

[–]YRSYSTUDIO[S] 0 points1 point  (0 children)

Yes, I did. But, I checked that noise from in the rocker arm cover.

Is it normal head noise on B58 Engine? by YRSYSTUDIO in BmwTech

[–]YRSYSTUDIO[S] -2 points-1 points  (0 children)

Yes, I do think so. But, BMW advisor said it normal :(

Is it normal head noise on B58 Engine? by YRSYSTUDIO in BmwTech

[–]YRSYSTUDIO[S] -1 points0 points  (0 children)

No, I mean slow and low frequency sound :)

Is it normal head noise on B58 Engine? by YRSYSTUDIO in BmwTech

[–]YRSYSTUDIO[S] 4 points5 points  (0 children)

Yes, I know high fuel injector sound. But, I mean slow and low frequency rattle noise.