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      12-31-2020, 07:51 AM   #62
4foothill
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Drives: E90 325i LCI
Join Date: Jun 2016
Location: Manchester

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Yep, exactly the same issue I had - fitment was 1mm off (I measured about 26.34 and the 188L kit requires 27.4) and they said the 188LW has a gap of 26.6mm so my carrier must be of 188LW specs. If your diff isn't n53 then what is it? Are you sure the flange is compatible?

I originally copied random matching maps from the n54/MSD81 damos to a winOLS project, but I've since started again by just comparing the binaries and tweaking the n54 XDF offsets. Once I've had time to boot my VM and test/tweak them in TunerPro I'll whack it on Github so you can use it/contribute.

I'm mostly interested in seeing if I can disable the ageing NOX cat DTC since I've got a working sensor and my engine is performing great, but I still get that error once a year when winter hits. I've mapped the DTC table but not attempted to disable it yet.
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