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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Very slight vibration at idle

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      02-12-2017, 08:04 PM   #1
Lp01
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Unhappy Very slight vibration at idle

Hi!

Finally my MG DCT arrived! Color is much better live than in photos (previously just saw LBB's ant test drove one for a couple of days).

After 100 km, everything ok with the exception of a slight engine vibration at idle. Engine warmed up. It is there whether DCT is engaged or in neutral, so I guess it is not transmission related. i would describe it as a slight rough idle without rpm pointer moving up or down. No mods whatsoever.

Can feel the slight vibration through my feet/heels in the footwell. No vibs in the (fantastic) steerimg wheel or dct stick.

Since the 6 pot is the most balanced engime configuration I was expecting to feel absolutely nothing vibration related at idle. Is it normal? Do you feel this or felt during break in?

Unfortunately don't rememner this effect in the test drive I've done manu months ago.

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Last edited by Lp01; 02-12-2017 at 08:13 PM.. Reason: Additional info
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      02-13-2017, 02:27 AM   #2
Yellowflash21
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Can you record it?
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      02-13-2017, 05:47 AM   #3
Lp01
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I'm away (and suffering) from the car. Business trip, so I cant record it but I have many doubts it will be recordable because soundwise you wont feel anything. Rpm pointer is also stable.
I guess I can download an app that measures vibrations and then share it to eventually compare, but only by the end of the week.
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