Increased Emissions after EGR Valve replacement

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10-20-2009, 08:44 AM

Diezelpower

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My Ride: 03/2005mod 535d E61 *Chipped* 350bhp/700NM *KN Air filter *Hamann Style Front Lip *Hamann Style Diffuser *M5 look carbon mirrors *6000k Xenon Kit *6000k Angel Eyes *20" Rims *Black Kidneys *Quad Exhaust *Drilled and slotted brake rotors *EBC Yellowstuff Brakepads - Active Steering, Panorama Sunroof, Sport Seats, M-Package, Anthracite Roof Liner, M-Pedals, M-sport suspension, M-Sport Steering Wheel, Auto Leveling, Navi Pro, CD-Changer, Aux Input, M-Sport Door Sills, Iso-Fix (I have two children). I will post pictures later on... Bought the car 21st of Septermber and went abroad to work on the 23rd of September... Will try to get some decent pictures...

First of all....Increased Emissions before I replaced the EGR Valve/Termostat.
Replaced the EGR Valve, got the code reset by the stealer.... The code disappeared for an hour. Parked the car...code still not present.... Ate dinner....Started the car and *plong* the Increased Emissions popped up on my Idrive again.
I have searched thru all the threads regarding this on diesel engines. Please help!
Had my car serviced today, the dealer reset the codes and said that the car was working properly. I drove the car for ten seconds and the light popped up again on the Idrive. When the dealer reset the error codes he listed two for me:

Error Code 4501 : Unknown
Error Code 4166 : Particle Filter System Emissions something....

Can you please help me with this??