2008 BMW X5 Battery Replacement & Reprogram

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About the car

Initial Problem

Diagnosis & Recommendation

Outcome

Photos


About the car:

  • Year - 2008
  • Make - BMW
  • Model - X5
  • Engine - 4.8 Liter 8 Cylinder

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Initial Problem - Customer drove in with complaints that the cranking speed was noticeably slower.

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Diagnosis & Recommendation - We started the vehicle in the shop and noticed the same problem. Testing the battery revealed that the Cold Cranking Amps were weak and recommended replacing the battery. This is a very specific battery that must be acquired from BMW only and requires the battery module to be made aware that there is a new battery. This adjusts the charging cycle accordingly. Not doing this WILL cause premature wear in the new battery and an unhappy customer.

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Outcome - After replacing the we performed the reprogramming as necessary and the slow cranking issue was no longer present.

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Photos:

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