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Also noticed @ realoem.com that the 1M OEM mid pipes has a different part number than the 135i N54 OEM mids.
Could the 1M also have high flow cats in the mids just like the DP's?
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COBB tune . ETS FMIC . aFe CAI . Meisterschaft GT exhaust . Custom Midpipes . CDV . BM OCC . H&R springs : |