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      08-28-2012, 02:12 AM   #1
Drifty//
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BG 44K

I've got a few cans of BG 44K fuel system cleaner in my basement. Is anyone aware of a good reason not to use it on the M3 / S65?

I'm normally reluctant to jump on the bandwagon with this kind of stuff, but I was convinced by what I read on a forum for my A4 (and it does seem to have an effect, if small).
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      08-28-2012, 02:33 AM   #2
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linky

Here's what I'm talking about:
http://www.bgprod.com/products/fuelair.html
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      09-05-2012, 10:43 PM   #3
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Okay, so I ran through a tank of gas with this stuff, and I think the engine has never run so smoothly the whole time I've owned it (for about the last 5k of the car's 37k miles).

Obviously, quantitative measurements are the only way to know for sure what it did for performance and what else it might have done to the engine. I'm not equipped for that.

Just to be on the safe side, I plan to stick to the manufacturer recommended product, in the future. I read somewhere it's Techron, but I'll be checking on that.
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      09-05-2012, 11:01 PM   #4
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I have used BG 44K..hard to find but its really professional grade stuff..had a Nissan that smoked something awful..cleaned the valves with one treatment

Not sure its necessary for an M3 unless it had really high mileage..I generally use techron, every 10K miles or so.
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      09-07-2012, 07:21 PM   #5
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wouldn't seafoam or techron work just as good?
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