XI, means x-drive(bmw's all wheel drive) and I means Injected, as in fuel injected
The X in a BMW Vehicle name is to show that the car is all wheel drive. ie: 325XI 530XI X5 etc
bottom left front of engine attached to elec water pump
The letter "X" designates your car as a four wheel drive which is mainly intended for use in the snow.
there is no dipstick you check the oil level in the dashboard. check the reference guide or the owners manual
The battery for the 06 BMW 530xi is located in trunk, on the right passenger side. You will need to lift the spare tire lid in order to remove the right side molding cover. The battery is 850 CCA (Sears has a replacement for approx $140). Same model at BMW = $350.
The battery is on the passenger side in the rear of the trunk. remove the trunk liner behind the passenger side storage area. It's under there and it a large battery showing CCA 850
Absolutely, that sounds like an excellent choice, if you are switching over from conventional oil be sure to flush it all out as best as you can.
It will vary depending on if you have HID lighting or Halogen Lighting which you did not include in your question. 2006 BMW 530xi headlight bulb general replacement procedure: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information and full light bulb part numbers list. Then consult your owner's manual for the headlight bulb lamp replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
No.
Dynamic Stability Control...It needs to be on under most driving conditions because it helps your car maintain traction under extreme braking and turning. Read the manual. It may say to turn DSC off when you are in ice and snow.
There is no dipstick. Check your engine oil level using the built in iDrive system. It should be under the service settings. The only other way to check the oil level would be to drain it and measure it. Read your manual for more information.