Your 2006 has the last revision IMSB. The failure rate of these bearings is very low. The bearing is larger then the old ones and too big to pass through the hole. To change it would require removal and complete disassembly of the engine including splitting the cases.
If you are really worried about it. One option for extending life of the larger bearing engines is to add the Direct Oil Feed from Tuner Motorsports.
DIRECT OIL FEED (DOF) FOR IMS BEARINGS | TuneRS Motorsports
Porsche recommends that you buy a complete IMS and replace it by tearing the engine apart etc... You would then have the same bearing that you currently have.
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2013 991.1 Carrera S Cab
2004 996 Turbo CAB X50 sold
2003 996 cab 6 speed Sold
1972 RS 3.2 twin plug short stroke crank fire, roll bar, sold
DE instructor since 1985
Last edited by FPB111; 11-10-2014 at 08:50 PM..
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