Quote:
Originally Posted by themoveforward
I purchased an ER downpipe for my 328xi N20 and I just tried to have it installed at a performance shop today. They called me back and said that the new downpipe was 2mm too big and would require another 2 1/2 hours of labor to machine it back down to the exact OEM size. I told them to put the old one back in it for now until I contact ER. They've been working with the performance shop to figure out what went on, but I'm not exactly too happy as I now have an incorrectly sized downpipe and am out the money for 2 hours of labor.
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I had the same problem with mine (bought from ER too), the final section was larger than the stock exhaust tube, so we had to cut this part of the DP and place a right sized one that would fit. It was a 30 minutes job, but a PITA to do, as it was already placed on the turbine side and we had to take it off.
But the final result is very good!