<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">Well to be honest. I really want to go with the original when I replace it. I go to Sonnen Porsche's (dealer north of San Francisco) website for almost ALL of my parts.They are simply the cheapest Porsche parts in the USA. I don't know how they stay in business in the Bay Area. I live in Hawaii and it's still by far cheaper to ship parts out here. I hate Hawaii car dealers and part depts. But, that's another story. You're in England though, right? With the cost I'm looking at the site right now, a replacement amp (I think it's a Nokia brand) is $214, by far cheaper than any other genuine amp I see for 911s/Macan/Panameras. That's the amp that came with the M490 upgrade. Part # 944-645-301-X (replaces 00). There's a $136 core charge. Hmmmm , didn't see that before. To me, I don't want to tear up the orig harness and I want to keep the M490 option as original as possible, etc. I'll probably order it soon.
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<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">Adam