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      04-15-2022, 09:14 PM   #54
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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Yes, primaries connect to the turbos and you can’t get to those without removing some stuff on top of the engine. I don’t need to look at the diagram because I have had the engine cover and heat shielding off and have seen what us required to get at the primaries. Secondaries, I don’t know that you can get them off from underneath the car. I have not yet done this job. Those who have done can respond. I will be doing it it a few weeks — high flow primaries and catless secondaries.
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