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2000 BMW 540I Code P1475


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comnavguy
User

Mar 6, 2012, 3:55 AM

Post #1 of 2 (2424 views)
2000 BMW 540I Code P1475 Sign In

This BMW 540i V8 with 122,000 miles set P1475 a few weeks back. The book says it is the "Leak Diagnosis Pump". What the heck is that and where is it on the car?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 6, 2012, 4:19 AM

Post #2 of 2 (2407 views)
Re: 2000 BMW 540I Code P1475 Sign In

It's usually called a "leak detection pump". It's used to pressurize the fuel tank system to self test it for EVAP leaks.

It's in the left rear wheel well





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