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      02-08-2017, 12:11 PM   #1
0nePutt
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Drives: 135is, GS430
Join Date: Apr 2016
Location: New Jersey

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High mileage jb4?

I have an 08 135 with 131k. I've had wastegate rattle, sputtering, rough idle and misfires all within the past 30k miles. However - I just addressed every issue. Brand new turbos, two new injectors and a full carbon cleaning and now the car runs flawlessly and damn is it fast. I use 93 octane at all times. Just wondering is there anything else I should be concerned about on a high mileage n54 if I end up installing a Jb4?
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