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12-30-2021, 10:33 AM | #1 |
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135i N55 Help
I'm hoping someone here might be able to offer some advice/direction on the issue(s) I'm having: 2011 BMW 135i (N55)
Background:
What I've tried: New oil level sensor Flashed DME back to stock Checked/replaced/recoded battery Verified water pump is good Checked all grounds and wiring for issues Does this sound like a DME that is failing? If so, can I swap in another good DME as a test before going through coding? Thanks for any advice on this one, I've been pulling my hair out for a few weeks.
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Ben in SC
08 135i Titanium Silver Metallic JB4 & DCI |
12-30-2021, 12:38 PM | #2 |
BMW Fan
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A bad or weak battery will give all kinds of weird codes.
Hope the engine didn't get fried after dumping oil.
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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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01-01-2022, 07:17 PM | #3 |
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Sounds like the oil filter housing gasket is at least one of the issues. Have you looked at the spark plugs? Could be anything from coils to injectors to fuel pump.
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01-29-2022, 08:23 PM | #4 |
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I would look at the oil filter housing and the Serpentine belt. When the oil blew it likely got all over the belt. I would make sure the n55 didn't eat part of it.
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