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      12-13-2011, 03:23 PM   #18
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aajami's Avatar

Drives: Space Gray '09 E92 M3
Join Date: Dec 2008
Location: Manhattan Beach, CA

iTrader: (4)

Originally Posted by Emil View Post
S4007 is engraved on the pads, so I can confirm this. But these seem to be BMW-exclusive, I could not find them elsewhere. Maybe you have more luck or better sources
Indeed, these pads are also referred to as "S4007" by I've found two vendors who can source them, though they are pricey.

I dug into those PNs a little further, and according to Real OEM, the front sport pads are only to be used in conjunction with rotor numbers 34112283385 and 34112283386, which are the stock rotors that come on our cars. So far so good.

However, the rear sport pads are only to be used in conjunction with rotor numbers 34212283387 and 34212283388, which are different than the PNs for the rear rotors on our cars. The PNs for our rear rotors are 34112283801 and 34112283802.

Do you happen to know what the difference between xxx387/388 and xxx801/802 might be?
'09 E92 M3: Space Gray, Black, Carbon Leather | ZTP 2MK ZPP 2MT 6FL | link 1 / link 2
Mods: M Performance exhaust | ZCP retrofit | Euro airbox | GTS DCT flash | JPN 240 ECU flash | Euro LCI taillights | CRT lip | OEM alarm retrofit | Space Gray bumper plugs | BMW Performance: Mk. II spoiler / Mk. II non-electronic steering wheel / mirror caps / front grilles / side gills / intake louvers / emblem