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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.

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Old Sun, Jun-17-2012, 09:35:44 PM   #11
Biosphere
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Default Re: Fuel pump ?

Googled abit, and found a guy with the exact same symptoms as me

"It starts and idles fine, but through the rev range the power is rather erratic. It began with no symptoms other than the EML light coming on while cruising on French autoroute. The car ran fine and made the trip without a hiccup. Since this, the acceleration has gradually become a little jumpy, and sometimes under heavier load the engine switches to a "limp-home" mode that the engine fault report refers to as "Cat. protection function". I don't feel generally that the car produces the power it should either, and in normal driving it's now jumpy, particularly when cold.
I've taken it to a main dealer who first blamed lack of fuel in the tank, then found a split seal in the inlet manifold, but the problem remained and they then replaced the fuel filter, also to no lasting effect. I wonder about lambda sensors and about ignition timing, but there's nothing in the fault reports printed out by the dealer that indicates either might be the problem. If anything is a recurrent problem it's that I'm out of fuel!"

Anyone who had any problems with FPR ? thats the advices this guy gets..
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Discussing Fuel pump ? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)