Quote:
Originally Posted by keithbickford
I wish we could find out who took these photos. If you look closely at the pipe in the smaller chamber, it looks like a hack weld job of a band covering where perforated holes may have existed, as seen in photos of unmodified 135i resonators. Are we certain this is a stock unmodified resonator? In the days of cutting costs, it seems odd that BMW would go through the extra work and expense of making a dummy resonator, especially when they offer an performance exhaust system for the 135i that has a y pipe in place of the resonator.
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Photos are legit..
Place a 135i/N54 mid pipe alongside a 1M mid pipe and shine a torch in the resonator exit..
No rocket science needed here, the difference is quiet obvious.