How to Change the Battery on a BMW X5

Asked by Aug 10, 2010 at 02:01 AM about the 2005 BMW X5 4.8is

Question type: Maintenance & Repair


When your BMW X5 vehicle won't start, the battery is probably dead. You can jump-start the vehicle with jumper cables or you can just replace the battery. If you want to change the battery you won't find it under the hood as in many vehicles; rather, it is in the trunk. Changing the battery yourself will save you the price of the battery and the cost of installation charged by mechanics.
   1.
      Step 1

      Pop the trunk on your BMW X5.
   2.
      Step 2

      Locate the battery. Pull up the floor cover in the trunk that contains the spare tire. The battery is located in a case just above the spare tire on the left side.
   3.
      Step 3

      Unlatch the strap holding the battery into the case. Unscrew the black negative cable first with the correct sized wrench (12mm or 13mm). Unscrew the red, positive cable.
   4.
      Step 4

      Pull out the old battery. Set in the new battery. Screw the red, positive cable on tightly. Screw the black negative cable on tightly.
   5.
      Step 5

      Latch the strap over the battery to securely hold it in the battery case. Set the floor cover back over the spare tire area. Shut the trunk door.More information can be found online at http://www.cars-repair.com/

5 Answers

1,855

batteries need to be registered if ur installing an agm battery.

30 of 30 people found this helpful.
2,125

STEP ONE: Hook car up with booster pack before even looking for the battery so all the electronic functions can be preserved, especially the locking/unlocking of doors and trunk. Way too many "home mechanics" had locked themselves out of the trunk compartment by closing the trunk after the battery was disconnected (and the doors and the hood too!). Every week there is some one in the forum asking for help getting into his car for one reason or another - don't follow their foot steps! A new battery bought in North America will last only 3-4 years (vs. 7 years with the stock ones) due to the use of environmentally friendly materials in their constructions. Good luck.

14 of 14 people found this helpful.
1,855

just dont test the battery with the jumper on the vehicle.true bmw batteries arent the longest lasting but these cars are so voltage sensitive and ive ran into way more problems with aftermarket batteries just cuz the customer wanted to save a 50 bucks.bmw parts warranty is 2 years i believe on batteries maybe 3 i cant remember.just drain it so it fails a load test and get a new one for free.its more trouble for us to test a battery,get a price and wait for the customer to think about buyin than is to parts warranty it.pays the same to the tech saves us time and hassle.its a battery.

7 of 7 people found this helpful.
4,705

Pop the trunk on your BMW X5. Locate the battery. Pull up the floor cover in the trunk that contains the spare tire. The battery is located in a case just above the spare tire on the left side. Unlatch the strap holding the battery into the case. Unscrew the black negative cable first with the correct sized wrench (12mm or 13mm). Unscrew the red, positive cable. Pull out the old battery. Set in the new battery. Screw the red, positive cable on tightly. Screw the black negative cable on tightly. Latch the strap over the battery to securely hold it in the battery case. Set the floor cover back over the spare tire area. Shut the trunk door.

9 of 9 people found this helpful.
615

how do you register the agm battery as you mention. just replaced a one on a 2001 X5 and is running rough. allmost like a misfire.

47 of 47 people found this helpful.

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