Every single BMW I have ever owned has come to me with the factory date coded filter, every single one gets a new Mann in it and every time it runs better. Change your fuel filter ppl.
Possibly bad seals on the filter. Had one earlier this year that would do the same. Changed the filter for a Bosch model and the problem went away.
You may want to perform a fuel pressure test at idle and 2000rpm. If you havent done so already, replace the fuel filter.
Drain the fuel tank and put some fresh gas into it with a new fuel filter.
I have recently changed out the fuel filter (WHICH HAD HELLA DUST in it) and upon checking the fuel pump, I noticed that bih had no strainer on it. Fuel tank was clean so I just changed the pump and added a strainer. The car runs beautifully now.
The shocks and fuel filters are often neglected in maintenance, but do make a difference if they have a lot of miles on them.
The cp4 pumps are notorious for going out pull the fuel filter look for metal.
I was able to remove the inner part of the WIX filter element while replacing the filter for some inspection. It was solid black. I drained the fuel that was in the housing of the used filter into a container and it had black flakes in it.
So i went and replace the fuel filter to a Mann fuel filter but that did not solve the issue.
Hi I replaced my OE VW Audi fuel filter with a Wix. Everyone on Reddit seemed to say it would be okay. Now my fuel filter is leaking and I cannot drive the TDI or get to work this week. I replaced the O-rings.
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