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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Best Fuel Injector cleaner



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      08-28-2010, 01:22 PM   #1
derin11
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Best Fuel Injector cleaner

Which is the best for use in a bmw 335i
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      08-28-2010, 02:51 PM   #2
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Gumout Regane or Chevron Techron Plus are the best, according to the guys on the Bob Is The Oil Guy forums. I've had good luck with both of these products.
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      08-28-2010, 02:53 PM   #3
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Chevron Techron - this is also sold by BMW under its own brand (you can find the part number on this forum).
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      08-28-2010, 04:21 PM   #4
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I have been using Techron in my cars for 20 years. As stated it is the same as BMW fuel system cleaner. It is also sold at GM dealers under their own label, but the bottle shape and color is always the same. Just be sure you get the Techron Concentrate if you buy it at a private store, not the Techron "Pro Guard" which is not as strong. Costco sells the Techron Pro Guard which is NOT what you want. I put a full 20oz bottle in my 335i every 3000 miles and also in my Acura MDX.




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Chevron Techron - this is also sold by BMW under its own brand (you can find the part number on this forum).
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      08-31-2010, 07:37 AM   #5
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Techron: get the fuel "system" cleaner, not the fuel "injector" cleaner. It's more expensive, but higher concentration.

I use one large bottle before each oil change. In fact, I should get one soon. I use only Chevron or Shell gasoline.
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      08-31-2010, 08:45 AM   #6
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Techron is the standard. Just remember with you having a DI engine any cleaner will not clean the valves because the fuel is injected straight into the cylinder.
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      09-01-2010, 12:35 AM   #7
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Quote:
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Techron: get the fuel "system" cleaner, not the fuel "injector" cleaner. It's more expensive, but higher concentration.

I use one large bottle before each oil change. In fact, I should get one soon. I use only Chevron or Shell gasoline.
Fyi, on sale at autozone; buy 1 get 1 free.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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      09-01-2010, 12:54 AM   #8
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      09-01-2010, 11:20 AM   #9
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BG44K
+1000

I used to be a BG sales rep. That stuff is amazing. Heck, all of their products do exactly what they say they will. Of all the testing we did on additives, the worst across the board was Lucas.
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      09-01-2010, 12:19 PM   #10
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BG44k all the way! Techron is good too, that would be my next choice.
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      09-02-2010, 08:26 AM   #11
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Quote:
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Fyi, on sale at autozone; buy 1 get 1 free.
How much is this stuff? I need to clean mine out too.
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      09-02-2010, 10:34 AM   #12
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mpgreen It's what our neighbor uses in his supercharged vette
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