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Help! Poor milage and stalling (archive)
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Posted by Jason White on May 20, 2001 at 22:55:42:

I have an '85 325e into which I just installed a 3.25LSD. I go through gears much more quickly now and my milage has gone from an average of 25-28 to 20-23. I figured that it was just the new diff, but now the car has started stalling at red lights (happened twice today).

So now I'm wondering if I might have a vacuum leak or something. Engine feels sluggish between 1000-2000 rpm, and throttle response is quirky below 1000 rpm (i.e. sometimes a little input on the loud pedal does not increase engine speed at all).

Any ideas?

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