You can get the latest maps at your local BMW dealer. The US + Canada retail for $199 in the US last time I looked, not sure about the Philippines, they are probably bundled with other countries.
Navteq used to also sell then but they stopped when BMW switched from Navteq to another provided.
2001 3.0L 5-speeds,Topaz Blue/Sport+Premium package/Stong-Strut trilogy/Front and rear Bilstein shocks/Rogue Engineering rear shock mount/Ireland Engineering rear sub-frame bushing/CDV delete/Vanos Rebuilt/Conforti CAI/Jim Conforti Shark/LeatherZ Mark2 armrest/DRL module/European Wiper Module/Pioneer AVIC-N4 GPS-Receiver+XM Radio+iPod/iPhone interface+Bluetooth+12CD Charger/ASA-AR1 18" wheels+Michelin PSS/Bi-Xenon upgrade.
Latest mod : 3.73 diff. ... WOW