[33beto]

Hey guys,

I been looking to get new spark plugs for my car, but looking at all the recomended vendors, they all have a different part number for the same plug.

Im goin with NGK.
Any one know which is the correct part number? Thanks!

Lou.

[ECSTuning]

ILZFR6D11 is the NGK part number for the NGK plug found in the N52, BMW part number 12122158253

FR7NPP332 is the Bosch part number for the Bosch plugs found in the N52. BMW part number 12120032138

NGK PLZFR6A11S is also a common plug people will 'upgrade' to in the N52.

[RupertPupkin]

What makes the second NGK an upgrade? what is the difference between the two?

Originally Posted by ECSTuning

ILZFR6D11 is the NGK part number for the NGK plug found in the N52, BMW part number 12122158253

FR7NPP332 is the Bosch part number for the Bosch plugs found in the N52. BMW part number 12120032138

NGK PLZFR6A11S is also a common plug people will 'upgrade' to in the N52.

[ECSTuning]

The PLZFR6A11S is the NGK "high power" plug. Some people simply prefer them over the stock style plug. Personally I see no issues with the stock plugs in the N52.

[KN| BMW]

Anything good one for 320i LCI?

[AlanAZ]

ILZFR6D11 is the NGK part number for the NGK plug found in the N52, BMW part number 12122158253

Only true for early N52s, it was ended in 03/2007 production. Your '08 328 came with the NGK PLZFR6A11S. See this realOEM page:

http://www.realoem.com/bmw/showparts...17&hg=12&fg=05

and order the NGK PLZFR6A11S plug.

[For others, with a post 12/2009 328 LCI can use the NGK LZFR6AP11GS plug. It appears to be coil dependent on when the 11GS plug should be used, there were 5 versions of the coil for the N52. ]

[33beto]

I remember my old E46 use the 4 tiped NGK, now this car uses single tiped plug?

[AlanAZ]

Anything good one for 320i LCI?

Use RealOEM.com, input the production month/yr and engine type. If your not sure on the result, post it here.

I remember my old E46 use the 4 tiped NGK, now this car uses single tiped plug

For the NA, correct. I believe the turbo engines use a 4 prong plug.

[monza2t]

OMG you have to use BMW plugs or your engine will fail early and your balls will shrivel up and fall off! Dont risk it! Its your duty to put a donation into your dealers coffers of $100 to preserve your salvation

[flinchy]

And if anyone wants another option

Denso::

http://www.globaldenso.com/cgi-bin/global/plug/jpn/4w/4w-plug.cgi?action=search&filename=maker21car.csv

The 'top' plug is $30ish .. Each!! D:

[monza2t]

Originally Posted by flinchy

Denso::

http://www.globaldenso.com/cgi-bin/g...maker21car.csv

Thats the Japanese market link. THis is the US market one:
http://www.globaldenso.com/cgi-bin/g...name=4w-10.txt

I personally use the PKH20TT plug in my N52. Its about $30 for a set of 6 and they work perfectly fine (no codes, engine smooth, MPG where it should be). Plus you get Toyota quality with Denso...

[flinchy]

Originally Posted by monza2t

Thats the Japanese market link. THis is the US market one:
http://www.globaldenso.com/cgi-bin/g...name=4w-10.txt

I personally use the PKH20TT plug in my N52. Its about $30 for a set of 6 and they work perfectly fine (no codes, engine smooth, MPG where it should be). Plus you get Toyota quality with Denso...

That's odd, because the ikh-01 still shows up in amazon

How come the second link lists different plugs to the first?

[overkill1125]

Just to clarify my 325i was produced in 04/2006.
From realoem.com this is what I see:

-Spark plug, High Power NGK ILZFR6D11 6 03/2007 12120032137 ENDED
-Spark plug, High Power NGK PLZFR6A11S 6 08/2009 12120035915 ENDED

Does it mean that I can use any of them?
Don't really know what ENDED means?

[AlanAZ]

Originally Posted by overkill1125

Just to clarify my 325i was produced in 04/2006.
From realoem.com this is what I see:

-Spark plug, High Power NGK ILZFR6D11 6 03/2007 12120032137 ENDED
-Spark plug, High Power NGK PLZFR6A11S 6 08/2009 12120035915 ENDED

Does it mean that I can use any of them?
Don't really know what ENDED means?

Unless you've replaced all your coils with the latest part, then the latest plug you can use is NGK PLZFR6A11S (as you can see by the dates above, it superceded the other plug.)

As to why they are both ended, refer to this post: http://www.e90post.com/forums/showthread.php?t=174217

[overkill1125]

Originally Posted by AlanAZ

Unless you've replaced all your coils with the latest part, then the latest plug you can use is NGK PLZFR6A11S (as you can see by the dates above, it superceded the other plug.)

As to why they are both ended, refer to this post: http://www.e90post.com/forums/showthread.php?t=174217

So have never changed any coils yet and I'm sure it is due very soon since car has about 114k km.

From what you are saying, then I should use the older plugs and not the newest dated plugs.

What happens if I decide to replace the coils at a later date after I have changed the new plugs. Will it still work or do I have to match the plugs with the coils.

Most likely going to buy the parts and have someone/garage install it for me.
It's winter here and I have no access to a heated garage.

I just want to make sure that I order the correct plugs.
I'm looking at autohausaz.com for plugs.
http://www.autohausaz.com/search/pro...2@Spark%20Plug

Ilzfr6d11

Another question for coils, my car is a 04/06 325i production and from the site they have 2 different set of coils to choose. Which one is the one I need from these 2 links? It would be greatly appreciated if you provide a link to other site about the coils that will fit my car.
Thanks!

http://www.autohausaz.com/search/pro...gnition%20Coil

[AlanAZ]

Originally Posted by overkill1125

So have never changed any coils yet and I'm sure it is due very soon since car has about 114k km.

From what you are saying, then I should use the older plugs and not the newest dated plugs.

What happens if I decide to replace the coils at a later date after I have changed the new plugs. Will it still work or do I have to match the plugs with the coils.

Most likely going to buy the parts and have someone/garage install it for me.
It's winter here and I have no access to a heated garage.

I just want to make sure that I order the correct plugs.
I'm looking at autohausaz.com for plugs.
http://www.autohausaz.com/search/pro...2@Spark%20Plug

Ilzfr6d11

Another question for coils, my car is a 04/06 325i production and from the site they have 2 different set of coils to choose. Which one is the one I need from these 2 links? It would be greatly appreciated if you provide a link to other site about the coils that will fit my car.
Thanks!

http://www.autohausaz.com/search/pro...gnition%20Coil

..the latest plug you can use (with your current coils, and should work as well with updated coils) is NGK PLZFR6A11S.

Updated coils are: BOSCH 12137594937 $57.21
same as in a late model E90 328 (and the correct plug for them is NGK LZFR6AP11GS) The standard replacement coils are less expensive.

If Autohaus does not carry the right parts, try RMEuropean or PartsGeek.

[overkill1125]

Originally Posted by AlanAZ

..the latest plug you can use (with your current coils, and should work as well with updated coils) is NGK PLZFR6A11S.

Updated coils are: BOSCH 12137594937 $57.21
same as in a late model E90 328 (and the correct plug for them is NGK LZFR6AP11GS) The standard replacement coils are less expensive.

If Autohaus does not carry the right parts, try RMEuropean or PartsGeek.

Thanks for the info.
Does it make any difference with the older version coils and the newer version?

If I'm going to get new plugs and coils, should I stick with the older version or just go ahead and get the newest version. Just want to make sure it will be compatible.

E90325i and E90328i are not quite the same I believe. Same engine but I believe its tuned differently or something since the HP are not the same.

My 325i shows 215HP stock, don't remember what a 328i is.

[AlanAZ]

Originally Posted by overkill1125

Thanks for the info.
Does it make any difference with the older version coils and the newer version?

If I'm going to get new plugs and coils, should I stick with the older version or just go ahead and get the newest version. Just want to make sure it will be compatible.

E90325i and E90328i are not quite the same I believe. Same engine but I believe its tuned differently or something since the HP are not the same.

If you read the thread I posted above, you would have seen reports of slightly improved power with the newer 11S plug.

I would imagine a greater improvement with updated coils and plugs, but probably not worth the cost of replacing all the coils just for that. Coils will eventually need to be replaced, if you intend to keep the car for a longer time, it may be worth replacing them all in one go (it's been reported that when one goes at around the expected time ~100k miles, others tend to follow), and pay the premium for the updated part. Otherwise, replacing them one at a time with the regular part to keep consistency, makes sense.

The 325 and 328 engines are almost identical, if you go to the RealOEM page for your car, you'll see the 328 coil is a valid option for your engine. RMEuropean carries both, and there's a $16 difference.

[kiwi29]

With all of this spark plug talk for n52s, how much of this revolves around n51s?

[AlanAZ]

Originally Posted by kiwi29

With all of this spark plug talk for n52s, how much of this revolves around n51s?

Depends on your N51 manufacturing date. Up to 3/2009 an earlier coil was used, after that the latest part (BOSCH 12137594937.) Refer to this RealOEM page:

http://www.realoem.com/bmw/showparts...17&hg=12&fg=05

If you have a car with a 3/2009 or later build date, use the latest NGK LZFR6AP11GS plug.

Earlier cars, replacement coils will need to be the later 937 part, and use NGK PLZFR6A11S plugs until all the coils have been replaced with the latest part.

[kiwi29]

Originally Posted by AlanAZ

Depends on your N51 manufacturing date. Up to 3/2009 an earlier coil was used, after that the latest part (BOSCH 12137594937.) Refer to this RealOEM page:

http://www.realoem.com/bmw/showparts...17&hg=12&fg=05

If you have a car with a 3/2009 or later build date, use the latest NGK LZFR6AP11GS plug.

Earlier cars, replacement coils will need to be the later 937 part, and use NGK PLZFR6A11S plugs until all the coils have been replaced with the latest part.

Noob question but where would I find this info?

[AlanAZ]

Originally Posted by kiwi29

Noob question but where would I find this info?

Seriously? You have almost 2,000 posts..

You can also use the Google

http://www.bimmerfest.com/forums/sho...d.php?t=346482