I'm considering using my 500E to pull a race trailer (track car)-I'd like to consider an OE piece, so can anyone come up with a Part Number? Any other mods I should consider beyond the usual suspects (oil & trans fluid coolers)?

Thanks in advance

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"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss

Michael
2014 E63S Estate
2006 SLK55
1995 E500
1986 Porsche 944 turbo