Any idea why the Agency power carbon diffuser models only cover 135s up to 2011? Are the rear bumper (or mounts) for 2012, 2013 135s any different? I have a 135is on order, and reading up on rear diffusers ... it is really frustrating ... crazy expensive OEM -or- dodgy ebay replica vendors ... my head hurts.
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'13 135is|LeMans|N55/PPK2|DCT
'09 328i (sold)
'97 Jeep Wrangler|TJ|4.0L|5M
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