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      07-14-2022, 01:19 PM   #243
compressionignition
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Drives: 2011 335d
Join Date: Jul 2022
Location: Atlanta, GA

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Can't stress enough how important this is, had an x5d in my shop last week that was setting fuel pre-supply faults due to a clogged fuel filter.

Having some type of diag tool (autologic, autel, or equivalent) is good as well in order to run the bleed procedure post-filter change. The tool runs the in tank pump for around 2-3 mins, and then prompts you to start the engine and runs the car at 2000ish rpm for 10 minutes. Change filter with a somewhat warm engine to avoid having to let it sit at that high rpm range when cold during bleed procedure. Can also just start vehicle and put something heavyish on the go pedal for a bit as long as you can get it to hold steady. Improper bleed will leave you long cranking for a few starts with air left in the lines.
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