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| 11-10-2015, 10:37 PM | #1 |
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Involuntarily BMW
31
Rep 184
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135i rattle (not normal wastegate rattle) after MHD flash
Flashed to stage 1, got this sound.
Flash back to stage 0 w/ 50% rattle reduction mode, still get this sound. Reproducible only at low RPM. I did do the spark plugs and coils after going to stage 1, but I've got no idea what this sound is. It's the higher pitched rattle you can hear at 0:02 -0:04, 0:09 and most notably around 0:10 to 0:12. What is that noise???
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1997 328i / sold
1999 M3 / sold 2009 135i / current |
| 11-11-2015, 05:55 AM | #2 |
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aiming for 450.....
303
Rep 2,910
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Sounds like something loose or tapping against something. Can you pinpoint the location where you are hearing it from?
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