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      03-22-2013, 02:45 AM   #2
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Second Lieutenant
 
Drives: E90 ///M3
Join Date: Jan 2013
Location: Causeway Bay & North York

Posts: 250
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Quote:
Originally Posted by sle39lvr View Post
I have a 08 328i with around 80K miles. I got this CPO after 45K miles.

I have posted on here few years ago that, compared to similar loaner cars I've driven, my engine feels a little sluggish. Overall it feels like a heavier, lazy car. The biggest let down is lower MPG's. 2-3 mpg's less than the loaner cars from my testing.

I've been doing 7K-10K oil changes and always fill up with Chevron 91 octane.

I know the sludge issue is common on turbo engines, but should I look in to engine sludge? The dealer has a injector clean up service around $300, should I look in to that? Or goto an indie shop to get it cleaned the correct way?
I've used this a few times in my N52 before and the car seemed a bit snappier than before.

http://www.solomotoparts.com/Motul-Engine-Clean/

Maybe could help with your issue?
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