So I was driving home from work when I noticed that there was this weird rattling while accelerating. I was in 6th gear going 65 mph or so and so I thought maybe I should downshift in 5th. I downshift but it still keeps rattling. I exit the interstate and pull over in a parking lot. I couldn't find anything wrong with the tires or anything. I rev'd the engine a bit and it seemed fine.
So I drive off again and the rattle becomes constant and the "Service Engine Soon" light comes out. I thought: "Oh wow, great." I was close to the dealer, so I drove the car there. While idle at the deal, there was this loud rattling sound coming from the engine.
My SA didn't say anything concrete as to what the cause could be. They were about to close anyway.
They didn't have any BMW loaners, so I got to drive this Dodge "Boring" Journey home. I already miss my 135i. When I got home, I checked the mail and I got this letter from BMW:
Quote:
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BMW has become aware of a potential problem that could affect the durability of the high-pressure fuel pump of certain model year 2008/2009 BMW vehicles equipped with a 3.0 liter engine. We estimate that only a small percentage of vehicles will actually develop a problem. Vehicles affected may have the Service Engine Soon lamp illuminated. Also, the affected vehicles may experience an extended engine starting time ("long crank"), or reduced engine performance when the high-pressure fuel pump malfunctions.
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Nice coincidence there. For those wondering, my car had 9,800 miles and I have never had a long crank or any sort of engine issues. I don't have any mods. This came out of the blue. I'm pretty sure it's the fuel pump, but who knows. My SA said something about injectors or whatever that could also be the cause. I'll know tomorrow around noon. On the bright side, I should be getting that software update that came out. I'm looking forward to that
