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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Spring cleaning - FMIC, plugs, Valves cleaning (Walnut blasting)



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      03-15-2013, 02:57 PM   #1
AltecBX
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Spring cleaning - FMIC, plugs, Valves cleaning (Walnut blasting)

So I just passed the 56K mile mark and I figure it's time to do a lit bit of cleaning, especially with the warmer weather coming. I replaced my DCI with new ones from BMS. I upgraded my HID, HID fogs, and installed new Angels as well. I upgraded to the Alpina B3 transmission flash a copule weeks back. I also finally replaced the factory FMIC with a ETS 5". Replaced both pre-cats O2 sensors.

While I was having a little hesitation compared to driving a new car from the lot, I figured is time to do a little bit of cleaning to my valves. I took my car in to AUTOCOUTURE MOTORING in NJ for cleaning (walnut blasting). @Sal@AUTOcouture was great. MY valves where dirty; looked almost clogged with all that carbon built up. I figured this would also be a great time to change my plugs (12k on them)since the cover was off, as I had a misfire in cyl 5 & 6 a week ago. Boy what a difference the valves cleaning make. Not only does my car feel like new, but the throttle response is so spot on. No longer I feel the hesitation when down in the RPM. She feels so alive. She just feels like she on her toes the whole time ready to rev. After doing several logs as well, I notice that my temps are >30F lower, pull after pull thanks to the upgraded FMIC.

Doing the plugs & cleaning the valves alone feels like I gained another 10-15whp.
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335xi Sedan 6AT | Weather(70-85°F) | N54 Tune Comparison Chart || N54 Turbo Upgrade Comparison Chart
-PROcede Rev. 2.5 ~ v5 (3/17 maps) / JB4 (8/21 maps) / COBB (Stg2+FMIC LT Aggressive maps)
†Procede Map2(UT 45 - IGN 40) Aggression Target 2.0 | 0-60 in 4.0sec || †Cobb E30 LT (35% Ethanol/65% 93 Octane) | 0-60 in 3.9sec
AR Design Catless DP | BMS DCI + OCC | ETS 5 FMIC | Alpina B3 Trans Flash |235/265 19" Michelin PSS

Last edited by AltecBX; 03-15-2013 at 03:14 PM.
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      03-15-2013, 02:59 PM   #2
BAL278
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ACM does it again!! I did the same thing last spring.. Plugs and intake valves.. And just did a FMIC.. I should probably do plugs soon
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      03-15-2013, 03:09 PM   #3
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how much was the walnut blasting?
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      03-15-2013, 03:23 PM   #4
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Quote:
Originally Posted by jlcf22 View Post
how much was the walnut blasting?
Give them a call. (201) 666-3500). There techs are great and knowledgeable.
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      03-15-2013, 03:49 PM   #5
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the ETS looks beautiful, nice!
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