DEF active tank

[dalecan]

2012 X5d with 67k on the clock.

Like many people, after the service engine light came on I pulled the p004BAC fault code using Carly. It stated it was the reducing agent active tank level sensor. I've read that this should be covered under the CA emission warranty. I booked the car in with BMW and they replaced the active tank, stating that the SCR sensor was not working. However, they said this was not covered by the CA emission but rather an extended BMW fix. I thought this was interesting. Nevertheless, the car was repaired at no cost to me.

When I went to collect the car the windows would not work and I thought here we go again. They said they would have to charge me the $140 investigative fee. They found a faulty FRM was the cause. To my surprise, they stated that this would be replace under a BMW extended warranty and it would not cost me a penny. What a result!

So, if you think your FRM is faulty you might be able to get it replaced under this extended BMW cover.