Quote:
Originally Posted by Riley1524
Not to rub it in, but this is why you don't buy a boosted BMW. It really sucks that you guys have to go through this especially with different models. BMW needs to get off their ass's and get this problem fixed. I can't imagine this being an issue with all the turbo'd models they'll have coming out next year
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I normally do not typically respond and keep my opinions to myself, however..
This issue has more to do with just "Part Numbers" or "Turbo Models.." My wife took delivery of the first E89 3.5i Z4 (US Spec) in Stuttgart, back in May of 2009. This car still has the first edition of the HPFP!! She babies this car and it ONLY gets Esso 93/98 or Shell V100. To date we have had absolutely ZERO issues with the HPFP.
As result, I think this issue has much more to do with fuel type and quality as compared to just faulty parts. I am amazed to see people spend $50K+ on a vehicle, then shop around and put the lowest price (or cheapest) gas in it. The other cited possibility is the high sulfur content in US fuel.
In the end you get what you pay for.. (Crap in, crap out..)
My experience .. and my .02
The N54 is a great motor and has TONs of unrealized performance.
