ever to have a large chrome-tipped exhaust which hid the quad pipes. X5 Security The 'Security' edition is an X5 variant with safety glass, heavy-duty material and ballistics-resistant steel, and debuted at the 2003 Frankfurt Motor Show. Features include: B4/VR4 ballistic protection, capable of withstanding handguns up to a .44 Magnum, including .357 Magnum or 9mm Luger. Polycarbonate coated glass to reduce spall. An intercom to speak with people outside the vehicle. An assault alarm, which when activated, locks all doors and emits both visual and audio alert signals. Run-flat tires allowing one to continue driving with flat tires at up to for approximately . Chinese copy controversy In June 2008, the Regional Court of Munich ruled that the Chinese SUV model, "Shuang-huan SCEO" is a copy of the BMW X5, prohibited the defendant importer of these vehicles in the "trade in Germany" offer and ordered the destruction of all "vehicles with a certain look" at which the defendant's possession or ownership (Az.: 4HK O 16807/07). References Notes Bibliography General Workshop manuals External links Cars introduced in 1999 E53 X5 Mid-size sport utility vehicles 2000s cars