10-18-2016, 09:09 PM | #1 |
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Will the M2 engine require walnut blasting?
The N54 and N55 engines were notorious for needing regular walnut blasting. I think 60k miles was the recommended interval. Any idea if this is still needed on this engine?
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10-30-2016, 06:15 PM | #2 |
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They changed the process.
They now use Hazelnuts. Better for the environment. Oh and I have no idea if it is still recommended! The last BMW I drove was a '97 M3 for 60,000 miles, and never had that process done. My dad's older 5 series and M5's had that done at least once if I recall. Mike
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10-30-2016, 09:40 PM | #4 |
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It will eventually at some point need to have the intake valves cleaned. Its a DI motor. I will install a catch can to slow down the carbon build up process.
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