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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Rebuilt N54 Injectors "Not Chinese Junk"



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      12-25-2025, 02:03 PM   #23
whyzee125
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Quote:
Originally Posted by rif75 View Post
Hi all,

Old thread I know but wondering if anything new there or if anyone has tested

Thanks
That company has gone out of business lol. Unfortunately there are no reliable options other than Genuine BMW index 12's.
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      12-26-2025, 03:32 PM   #24
lookalikehuuh
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Yeah agreed, I don't think there has been anybody who has been able to reliably rebuild these injectors and actually warranty them, and still be in business.

I think there are a few shops out there that can "clean" the injectors by putting them in ultrasonic baths and stuff, but nobody that I have ever seen that can properly "rebuild" them and keep them reliable.
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      12-27-2025, 07:27 AM   #25
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Quote:
Originally Posted by lookalikehuuh View Post
Yeah agreed, I don't think there has been anybody who has been able to reliably rebuild these injectors and actually warranty them, and still be in business.

I think there are a few shops out there that can "clean" the injectors by putting them in ultrasonic baths and stuff, but nobody that I have ever seen that can properly "rebuild" them and keep them reliable.

Exactly. You can clean them. Sometimes small leakages can be eliminated with a proper clean. But that´s it.
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      12-27-2025, 08:13 AM   #26
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I've had good luck with the ones from GB Remanufacturing, who is under exclusive contract with FCP Euro for their index 12 injectors. Friends have as well. They sell out quickly though because very few people turn in the cores. I bought 3 a month ago and installed one and it's been working great (had planned to do a bank of 3 until I read a lot of comments about it not being necessary, and my car has been running great with mixed injectors so I'm just keeping the other two as spares or might sell them). FCP Euro does warrantee these, just like their OE ones and BMW ones.

The "rebuilt" ones on Amazon and ebay are to be avoided though. They're old, low index injectors with new silkscreening. I have a few friends who tried them and none of them worked
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      04-01-2026, 03:40 AM   #27
rif75
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Thanks all for the feedback, I will check this out. Just last point, I don't remember exactly but can you mix index 12 with 09 or it will really cause issues? I cannot imagine changing the 6 if only 2 or 3 are leaking especially with that crazy price...I know that at some point, they will also need replacement but would be nice to start only with 3.
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