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M2 Technical Topics > Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls > Running-in period ?

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      09-29-2018, 12:47 AM   #1
lockwood
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Smile Running-in period ?

At what mileage am I able to open up my dct M2? Be sensible, please don't say from day 1.
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      09-29-2018, 12:49 AM   #2
AndrewC1989
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After your 1200 mile run in service
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      09-29-2018, 02:10 AM   #3
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You can presumably "open it up" without exceeding 110mph or 5500rpm before the break in service. The break in instructions don't say anything about avoiding hard acceleration if I remember correctly. Just don't go nuts.
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      09-29-2018, 03:43 AM   #4
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Quote:
Originally Posted by bmxcamel View Post
You can presumably "open it up" without exceeding 110mph or 5500rpm before the break in service. The break in instructions don't say anything about avoiding hard acceleration if I remember correctly. Just don't go nuts.
+1
Just make sure if you do that never go full throttle as an addition to just hard acceleration. So you can ease into it for maybe about 60% throttle then you should shift. The reason is that the cylinder walls will still be rough after machining and there may be burs that will fall off during break in so your oil will be very dirty. So don't put too much load on it so you don't end up damaging anything.
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