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| 01-13-2022, 09:00 AM | #1 |
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Private
 
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Rep 63
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OFHG on n55 135i
Howdy, i recently replaced my OFHG on my 135i n55.
For the OFHG replacement, my ER charge-pipe needed to come off, and so did the mass intake manifold. Last edited by APhuze; 03-27-2022 at 03:22 PM.. |
| 01-13-2022, 09:25 AM | #2 |
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First Lieutenant
 
280
Rep 372
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Obviously check to make sure your charge pipe is installed correctly and the o ring too. If not then it might be your boost solenoid. 11747626351
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| 01-14-2022, 10:31 AM | #3 |
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BMW Fan
289
Rep 838
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Sounds like an air leak in the charge system. Check at TB end of charge pipe as well as the plumbing to the intercooler.
Start at the IC end. If all appears OK then take the CP off the TB and look for incorrect seating or cut O-ring. Could also be the manifold to head O-rings. Did you replace those? (you should have)
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2012 135i Mods: air scoops, CP, K&N filter, PS1, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension front and rear, M3 brakes front and rear, M3 rear subframe and LSD
Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i |
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| 2c57, boost pressure, n55, n55 135i, no boost, ofhg |
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