Quote:
Originally Posted by awhc
What does MSD and ESD stand for?
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You have the answer in #3: 135i "MSD + ESD" as Ze Germans say; mid and rear sections.
MSD = mid
ESD = rear section / muffler
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2007 BMW 335xi E92 AT N54
VRSF Downpipes, 5" FMIC, VRSF 1.75" inlets, outlets, chargepipe
2007 BMW 330xd E92 MT
2008 BMW 130i E81 (LCI) MT
2007 BMW 130i E81 (LCI) MT