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2010 2011 BMW 5 Series Forum F10 Just did my walnut Blasting today |
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09-04-2020, 11:25 PM | #6 |
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I'm assuming it was never done. I've heard that the N55 needs it done just like the N54, just not nearly as frequently. Wonder if 100k miles is a good time to do it
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09-04-2020, 11:40 PM | #7 |
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Drives: 2017 540i Bluestone Metallic
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How does the car run after this job? Id assume 100x better? Also did you notice any rough idle before this job or engine lights?
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09-05-2020, 07:55 AM | #8 |
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Yeah. It's never been done. I've had the car just about a year now. And have done numerous maintenance items that would have cost more than the car is worth if taken somewhere. I would never own a BMW outside of warranty if I could not service one myself. Even if I could afford to have it done by a mechanic, it would probably put me in the poor house. That's the great thing about these cars. They loose so much value in so little time because upkeep becomes expensive. Which in turn works out for guys like me/us.
Just a point of reference. I did a friends clutch on his 2015 Subaru WRX. His throw out bearing was destroyed and ate into his transmission shaft. But since I had his motor out of the car. I did the walnut blast on his engine. 140k miles. Nowhere near as bad. The third and fourth pic is the before. So any direct injection motor will eventually need to be blasted. The question is at just what interval. He has more mileage than me. Owned since new. And is 4 years younger. All highway miles. |
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09-05-2020, 08:08 AM | #9 | |
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Quote:
Part # 13907636157. The other was for the boost solenoid part # 11747626351. Everything else just preventative maintenance |
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09-06-2020, 02:53 PM | #10 |
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Great job man. I did intake valve cleaning with CRC and a wire brushes. I couldn't believe how bad the intake valves were, considering everyone kept saying it wasn't needed.
FYI, I had a bad hiccup and even a cylinder 2 misfire for months after doing the cleaning. One day I was playing with Ista and stumbled upon a Post Walnut blasting procedure. Apparently the procedure is a intake valve stroke learn process that is supposed to be ran after intake valve cleaning. I ran this procedure and have received a misfire code since. Also, don't have the cold start misfire I was plagued with. I ran the procedure roughly a month and a half ago.
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09-07-2020, 10:07 AM | #13 |
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09-07-2020, 02:01 PM | #14 |
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10-10-2020, 10:26 PM | #16 |
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Just wanted to update. I noticed today that my engine "stumble" is gone. I'm not sure if it went right away after the blasting. Or gradually got better. But after about 1000 miles of driving I noticed it today that it has completely stopped. I haven't done any other maintenance since the blasting.
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