N43 / N53 index 11 injector failures

Phil325i · 05-11-2017, 03:15 AM

Quote:

Originally Posted by nclsamy

I was waiting for index 11 injectors to show on ebay.

My understanding is these injectors are now up to revision 12. Best to get the latest if you can afford it...

angry_feet · 05-11-2017, 03:25 AM

How can you tell which index they are?

frenchi · 05-11-2017, 05:35 AM

There is not such a think as revision 12 on N53....latest is 11. Revison 12 is only for N54

jamherber · 05-11-2017, 06:09 AM

Quote:

Originally Posted by frenchi

There is not such a think as revision 12 on N53....latest is 11. Revison 12 is only for N54

Correct. Index 11 is the latest for the N53 & N43

Phil325i · 05-11-2017, 07:21 AM

I stand corrected. Thanks guys.

N43B20A · 05-11-2017, 09:36 AM

Thank you for input, guys! Just came back from the mechanic. Swapped the injectors, but the error stayed on cyl. 3. What could possible be if not the injectors? I still assume they aren't full working, but why is the error stuck on cyl.3?

angry_feet · 05-11-2017, 12:02 PM

Quote:

Originally Posted by nclsamy

Thank you for input, guys! Just came back from the mechanic. Swapped the injectors, but the error stayed on cyl. 3. What could possible be if not the injectors? I still assume they aren't full working, but why is the error stuck on cyl.3?

Did you code the injector, clear the fault, if you did then either coil or spark.

N43B20A · 05-11-2017, 12:15 PM

Also changed the spark and plug. Both new. This drives me nuts...

angry_feet · 05-11-2017, 01:52 PM

Quote:

Originally Posted by nclsamy

Also changed the spark and plug. Both new. This drives me nuts...

Has the injector been coded?

N43B20A · 05-11-2017, 02:10 PM

No, but the car was barely driveable. I thought coding shouldn't have such an effect.

angry_feet · 05-11-2017, 04:46 PM

Quote:

Originally Posted by nclsamy

No, but the car was barely driveable. I thought coding shouldn't have such an effect.

Wont hurt trying, the fuel injection values might be out of swing.

N43B20A · 05-15-2017, 10:54 AM

It turns out the Bosch plugs were faulty, even though they were brand new. They aren't friendly with this engine. Oh well, so far the car drives wonderful. Hopefully it stays this way for a long time.

jamherber · 05-15-2017, 11:01 AM

Quote:

Originally Posted by nclsamy

It turns out the Bosch plugs were faulty, even though they were brand new. They aren't friendly with this engine. Oh well, so far the car drives wonderful. Hopefully it stays this way for a long time.

Definitely best to stick with OEM for the plugs for this engine especially (they can do double the amount of work when the engine is running in stratified mode) - Costwold BMW do them for cira £8 ea.

Phil325i · 05-15-2017, 11:33 AM

I swear by NGKs. Now I know why...

angry_feet · 05-15-2017, 12:59 PM

Quote:

Originally Posted by nclsamy

It turns out the Bosch plugs were faulty, even though they were brand new. They aren't friendly with this engine. Oh well, so far the car drives wonderful. Hopefully it stays this way for a long time.

I had the same thing with a bosch plug in my car.

N43B20A · 05-26-2017, 09:06 AM

Won't touch bosch plugs again.

Now I am running two of my original index 02 injectors with 50k miles on the clock and 2 index 07 bought used from a friend. The car drives fine, but the diagnosis showed a NOX error + catalytic converter errors. Also the exhaust seems pretty wet and there is a slight smell of gas on cold starts. Should I install back my two original injectors?

angry_feet · 06-02-2017, 06:18 PM

After the discussion on spark plugs I decided to change the rest of mine to ngk for piece of mind. While changing I found that 2 on the same bank as the last injector I replaced were black and drenched in fuel so managed to pick up 2 brand new index 11 injectors from eBay for 200 and fitted for another 100. Car runs the best Iv ever known it to. Next thing is to see if it's improved my results on the dyno.

Dormermike · 06-03-2017, 02:07 AM

Quote:

Originally Posted by angry_feet

After the discussion on spark plugs I decided to change the rest of mine to ngk for piece of mind. While changing I found that 2 on the same bank as the last injector I replaced were black and drenched in fuel so managed to pick up 2 brand new index 11 injectors from eBay for 200 and fitted for another 100. Car runs the best Iv ever known it to. Next thing is to see if it's improved my results on the dyno.

What index were the old ones?

angry_feet · 06-03-2017, 02:13 AM

Quote:

Originally Posted by Dormermike

What index were the old ones?

09

clarkey7310 · 06-06-2017, 03:39 AM

Quote:

Originally Posted by nclsamy

Hello, Clarkey! Nice to hear that you managed to sort it out. We had a week of cold nights (under 40 F) and in the morning the rattle got pretty bad and sometimes even stalled. I hope it's still coil related, as I am currently searching for 4 index 11 injectors without succes.

Do you know which coils you have now? Bosch or Delphi?

Thank you!

Hi, yes they fitted Bosch

Phil325i · 06-06-2017, 05:50 AM

Quote:

Originally Posted by clarkey7310

Hi, yes they fitted Bosch

Strange that the dealer didn't fit the latest iteration of coil (Delphi) which have been redesigned to incorporate an external heat shield, presumably to extend coil life. Perhaps they had old stock on the shelves...

dr_mike · 04-11-2018, 03:27 PM

N43B20A, all 4 injectors changed in BMW dealership with revision 11 at 134.000 km, as one got stuck while overtaking. Changed again all 4 at 260.000 km for irregular idling when cold and high fuel consumption. Got the "revision 11" again.
So, they lasted exactly as long as the original ones.

05-11-2017, 03:25 AM	#68
angry_feet Private 14 Rep 84 Posts Drives: BMW e92 MSport Join Date: Apr 2017 Location: London iTrader: (0)	How can you tell which index they are?
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05-11-2017, 05:35 AM	#69
frenchi Lieutenant 90 Rep 452 Posts Drives: F30 340i M Performance Join Date: Nov 2008 Location: France iTrader: (11)	There is not such a think as revision 12 on N53....latest is 11. Revison 12 is only for N54
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05-11-2017, 07:21 AM	#71
Phil325i Brigadier General 635 Rep 3,206 Posts Drives: E92 325i MSport Coupe Join Date: Apr 2012 Location: UK South East iTrader: (1) Garage List 2009 BMW 325i Coupe [6.00]	I stand corrected. Thanks guys. __________________ E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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05-11-2017, 09:36 AM	#72
N43B20A Private 8 Rep 76 Posts Drives: BMW 318i N43B20A Join Date: Nov 2015 Location: DE iTrader: (0)	Thank you for input, guys! Just came back from the mechanic. Swapped the injectors, but the error stayed on cyl. 3. What could possible be if not the injectors? I still assume they aren't full working, but why is the error stuck on cyl.3?
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05-11-2017, 12:15 PM	#74
N43B20A Private 8 Rep 76 Posts Drives: BMW 318i N43B20A Join Date: Nov 2015 Location: DE iTrader: (0)	Also changed the spark and plug. Both new. This drives me nuts...
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05-11-2017, 02:10 PM	#76
N43B20A Private 8 Rep 76 Posts Drives: BMW 318i N43B20A Join Date: Nov 2015 Location: DE iTrader: (0)	No, but the car was barely driveable. I thought coding shouldn't have such an effect.
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05-15-2017, 10:54 AM	#78
N43B20A Private 8 Rep 76 Posts Drives: BMW 318i N43B20A Join Date: Nov 2015 Location: DE iTrader: (0)	It turns out the Bosch plugs were faulty, even though they were brand new. They aren't friendly with this engine. Oh well, so far the car drives wonderful. Hopefully it stays this way for a long time.
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05-15-2017, 11:33 AM	#80
Phil325i Brigadier General 635 Rep 3,206 Posts Drives: E92 325i MSport Coupe Join Date: Apr 2012 Location: UK South East iTrader: (1) Garage List 2009 BMW 325i Coupe [6.00]	I swear by NGKs. Now I know why... __________________ E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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05-26-2017, 09:06 AM	#82
N43B20A Private 8 Rep 76 Posts Drives: BMW 318i N43B20A Join Date: Nov 2015 Location: DE iTrader: (0)	Won't touch bosch plugs again. Now I am running two of my original index 02 injectors with 50k miles on the clock and 2 index 07 bought used from a friend. The car drives fine, but the diagnosis showed a NOX error + catalytic converter errors. Also the exhaust seems pretty wet and there is a slight smell of gas on cold starts. Should I install back my two original injectors?
	Appreciate 0 Quote

06-02-2017, 06:18 PM	#83
angry_feet Private 14 Rep 84 Posts Drives: BMW e92 MSport Join Date: Apr 2017 Location: London iTrader: (0)	After the discussion on spark plugs I decided to change the rest of mine to ngk for piece of mind. While changing I found that 2 on the same bank as the last injector I replaced were black and drenched in fuel so managed to pick up 2 brand new index 11 injectors from eBay for 200 and fitted for another 100. Car runs the best Iv ever known it to. Next thing is to see if it's improved my results on the dyno.
	Appreciate 0 Quote

04-11-2018, 03:27 PM	#88
dr_mike New Member 10 Rep 11 Posts Drives: BMW E91 318i ED Join Date: Mar 2018 Location: Romania iTrader: (0)	N43B20A, all 4 injectors changed in BMW dealership with revision 11 at 134.000 km, as one got stuck while overtaking. Changed again all 4 at 260.000 km for irregular idling when cold and high fuel consumption. Got the "revision 11" again. So, they lasted exactly as long as the original ones.
	Appreciate 0 Quote