Subscribed ! I have a 230i with the dinan exhaust too (which is supposed to be the same as you) so wondering about this. I'm considering a downpipe but still unsure since this one is a lease.
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'18 230i xDrive// Black Met // Coral Red // M-Sport // BM3 // BMS Intake // BMS OCC // Dinan Axleback // Daily Fun
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