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BMW 3-Series (E90 E92) Forum
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Loud spooling
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07-07-2015, 04:00 PM | #1 |
Second Lieutenant
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Loud spooling
08 e90 335xi
So I may be just a little paranoid from a boost leak a few weeks ago, But I've noticed since installing my 7' FMIC, I'm hearing the turbos spool a lot louder. Is this just the larger FMIC doing its job with better air flow? you can really hear the boost release when I let off the gas too or switch gears at high rev which concerns me that I may have a leak again, but no dash lights or noticeable horsepower decrease. I also tightened all the bolts with an air torque gun. The tone of my exhaust has changed too. Oil temp is a constant 250* |
07-07-2015, 04:07 PM | #2 |
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Drives: C6 Z06, 09 335i, 10 335xi
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Seems normal. It's breathing better so it's normal to hear more spooling and blow off noises.
Oil temp 238-250 is normal, especially if it's hot and humid. |
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07-07-2015, 08:21 PM | #4 |
Colonel
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In the summer I remove the cowl and run the BMS filters, intake noise is pretty loud with that and intakes but I still run DV's so it makes all the right noises but just for me.
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2007 E92 335 6MT w/335is clutch FBO MHD E60 Wedge map 49k miles
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07-08-2015, 11:13 AM | #5 |
Second Lieutenant
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Also removed cowl and switched from COBB to MHD, now when I release the gas pedal at high RPM i hear the loud WHOOSH!
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Custom Wedge MHD 2+ Aggressive, AR Catless DP, ETS 5 FMIC, BMS DCI, BMS OCC, Berk Axleback, CF Diffuser, CP-E Chargepipe
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07-08-2015, 04:44 PM | #6 |
BimmerPost Supporting Vendor
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Agree with Jeff, car is breathing better it is normal to start hearing your turbos more.
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07-08-2015, 05:45 PM | #7 |
Colonel
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I kinda like the way my car sounds when it has a boost leak haha
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'10 e92 N54
DCI intakes, ER chargepipe, TIAL BOV, VRSF 5in FMIC, BMS Downpipes COBB e30 |
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Tags |
boost, e90, fmic, turbo |
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