How to reset service light for BMW e90 320i in year 2006

This is for 2001 onwards :

- Iginition OFF (POS 0) with key in.

- Press and Hold the trip odometer button while turning key to position 1 (ACCESSORY)

- Keep the button depressed (about 5 secs.) until you see "Oil Service" or "Inspection" with "Reset" or "Re" in the display

- *Note: On vehicles with "High" cluster, you will also see the amount of fuel (in litres) remaining until next service

- Press the button again and hold for approx. 5 secs. until "Reset" or "Re" flashes

- While the display is flashing, briefly press the button again to reset the Service Interval. After the display has shown the new interval you should see "END SIA" for about 2 secs.

Note that if the "Reset" or "Re" does not flash, then you have not met the minimum consumption level and cannot reset.
You can find more information at:
http://www.bmwtips.com/tipsntricks/reset-plug/reset.htm