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BMW 3-Series (E90 E92) Forum
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Valve cleaning at 58000
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| 12-19-2012, 05:49 PM | #1 |
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Captain
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Valve cleaning at 58000
Took some before an after pictures of the cylinders (from rear to front). Meth for 5k miles. Tuned for 15k+ miles. No OCC. Took approximately 4 hrs. Current mileage 58000. Technique was gun brushes and B12 Chemtool.
           
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2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450
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| 12-19-2012, 06:13 PM | #3 |
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Lieutenant
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I'm sure you have seen plenty of before and after pics from walnut shell blasting so i wont critique your results in comparison. Your DIY certainly saved you money and the result is probably 90% of the way there.
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| 12-19-2012, 06:13 PM | #4 |
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Captain
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I could have spent more time making them perfect, but IMHO it wouldn't make a difference in how it drives or how long they would stay clean. 99% of the buildup comes off relatively easy. Also the car pulls away much smoother in first now. Sometimes I would get hesitation and jerkiness when pulling off in first gear with partial throttle, not anymore.
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2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450
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| 12-19-2012, 06:24 PM | #5 |
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I even mod my cereal
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Drives: 11 ZCP DCT M3 14 328d 21 GT4
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Nice work, I bet you were wore out?
I did the valve cleaning and installed DPs at the same time.....felt like a totally different car. For anyone wondering, YOUR valves look just like tcw's before pics no matter how you drive or what your mods are.
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2011 Mineral White M3 ZCP - Opticoat, Ventureshield, some CF, B&B exhaust, AFE Intake Vorsteiner VFF 101s Ohlins
2014 Mineral White 328d Xdrive Wagon - Opticoat, Ventureshield, B8s, H&R, Apex SM-10s Hawk Pads 2021 718 Cayman GT4 - Fire extinguiser, Neodyme GT3 Wheel Color |
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| 12-19-2012, 06:33 PM | #6 | |
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Quote:
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2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450
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| 12-19-2012, 08:41 PM | #7 |
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I absolutely agree with your assessment of the reward vs extra work justification and with your assessment of the engine feel and response. After doing the blasting on my engine at 52000 miles I finally felt what the car must have felt like when new. Smoooooth.
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| 12-19-2012, 08:59 PM | #8 |
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Colonel
 
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Drives: 2007 E92 SG 335i 6MT
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I so need to try this. Id probably use your method vs the walnut shell blasting.
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| 12-19-2012, 09:22 PM | #9 |
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2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450
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