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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Mechanical Maintenance and TSBs: Break-in / Oil & Fluids / Servicing / TSBs and Service Bulletin > Chevron Techron Fuel System Cleaner- The most amazing thing ever
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      11-21-2018, 07:24 PM   #45
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We call it monkey milk.
You're wasting your money.


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      11-21-2018, 10:46 PM   #46
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Quote:
Originally Posted by Bestodabest View Post
Your 525 isn't direct injected, so yes your intake valves would be exposed to the fuel-injected cleaning agent. You wouldn't see this benefit with the direct-injected N54/N55.
+1. Techron is probably effective in cleaning the fuel delivery system from the tank to the injectors but it doesn't clean the intake valves with direct injection engines. That requires intake valve cleaner.
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      11-22-2018, 12:11 AM   #47
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Techron works yet also leaves deposits on the cylinder head too.
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      11-28-2018, 10:03 AM   #48
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Techron is legit. I noticed a huge difference when I used it on my old Jeep, and also noticed an increase in mileage when I switched to Chevron gas in all our cars. While itís true that the valves in our DI engines wonít reap the benefit of fuel system cleaners like Techron for cleaning the valves, donít forget that piston tops develop carbon buildup too, so Techron can still help in that regard; not to mention helping keep injectors clean as well.

So far as valves go, walnut blasting seems to be the primary solution. I do plan to use that CRC GDI cleaner before my next oil change. I have an endoscope and will try to take some before and after pics when I do. Iím really curious to see if that stuff works. If it does, it can save us a lot of hasssle.

Last edited by IraHayes; 11-28-2018 at 10:26 AM.
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      11-28-2018, 10:22 AM   #49
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how is this compared to liquimoly jectron?
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      11-28-2018, 10:40 AM   #50
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Check the ingredients on the labels.
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      11-28-2018, 01:04 PM   #51
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I user a bottle of Techron on my last fill up before oil change (every 5k).

No issues, car runs like an absolute top.
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      12-06-2018, 01:57 PM   #52
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I put a bottle of Techron in my 328 and my wife's 128 this past weekend. I noticed a considerable improvement in the 328's throttle response and it seems the injectors are much quieter also. The 128i seems to run smoother, but that is a silky-smooth, easy-revving car anyway. Haven't noticed any change in MPG yet, but I'll be watching it over the next few fill-ups.
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