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pressure accumulator

  1. E60 M5 and E61 M5 Touring Discussion
    me and my friend ran the SMG pressure test because the car was shifting slow and found out we had a bad accumulator, So i got a new one to install but when we go through the steps to depressurize the accumulator through ISTA it gets stuck at 1 bar left and we cannot continue until its fully...
  2. E60 M5 and E61 M5 Touring Discussion
    I took my '08 M5 into my SA this morning to find out why I received the red transmission warning when I started my car up the other day. Turns out that the SMG Pressure Accumulator needs to be replaced, and luckily this is covered under my USAA (Assurant Solutions) extended warranty. I was...