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CPTN 510 CPTN 510 is offline
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Car: e90
Default Log check - 10-18-2017, 04:33 PM

Anything look out of order? Car used to spool 18-19 pounds easy. Now, even the 13psi is taking way past 4k rpm to get to.

07 e90, ***, inlets, fmic, jb4 + mhd,
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Dave @ BMS/Fuel-It!'s Avatar
Dave @ BMS/Fuel-It! Dave @ BMS/Fuel-It! is offline
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Car: E92 335XI
Default 10-18-2017, 08:43 PM

Pretty under target- boost leak?


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CPTN 510 CPTN 510 is offline
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Posts: 9
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Car: e90
Default 10-18-2017, 08:50 PM

Originally Posted by Dave @ Fuel-it!
Pretty under target- boost leak?
smoke tested 3 different times, er chargepipe, no oily residue at any joints, no hissing noises. weak turbos? they might be original, 142k on car now, had it since 93k. doesnt burn oil, doesnt smoke at idle, in the morning, or wot.
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OzBMR OzBMR is offline
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Car: BMW M140i
Default 10-19-2017, 12:52 AM

Check wastegate actuator or solenoid?

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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Car: 135i
Default 10-19-2017, 11:52 AM

Smoke test is no good, need to do pressure test at boost pressure (20psi). If that checks out, then I'd move on to hardware.

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