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      12-18-2017, 01:30 PM   #1
NikD
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Looking for spark plug recommendations - E88 N52

My 2009 128i convertible is coming up on 100k miles so I figure it's time to change the plugs. I checked getbmwparts and the OEM plugs are $16.25 (each?). Does anyone have recommendations on replacement plugs? Should I absolutely stick with BMW plugs or are there cheaper plugs which are just as good or better?

The car is a daily driver, no track driving.


This is the plug at getbmwparts: https://www.getbmwparts.com/parts/20...&siteid=214672
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      12-18-2017, 03:37 PM   #2
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https://www.amazon.com/NGK-6619-Irid...&keywords=6619

I've had these in my car since 80k mi (I'm now at 109k) and have had no issues, good gas mileage, etc
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      12-18-2017, 04:29 PM   #3
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Many BMW tech experts recommend only plugs bought from a BMW dealer. You're only going to change them once (assumption) so go for OE plugs.
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      12-18-2017, 11:04 PM   #4
gjm120
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The plug shown in RealOEM is NGK LZFR6AP11GS. Sometimes listed as NGK 95712. You should be able to find these for around $60 a set. I bought a set from SixityAuto awhile back. Didn't need them yet but the price was good so they are in my parts stockpile.
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      12-19-2017, 05:06 PM   #5
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Quote:
Originally Posted by gjm120 View Post
The plug shown in RealOEM is NGK LZFR6AP11GS. Sometimes listed as NGK 95712. You should be able to find these for around $60 a set. I bought a set from SixityAuto awhile back. Didn't need them yet but the price was good so they are in my parts stockpile.
I've had these on a 2010 128i for about 1500 miles, solved a low rpm high load misfire (along with new coils).
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      12-19-2017, 06:51 PM   #6
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Quote:
Originally Posted by asbrr View Post
I've had these on a 2010 128i for about 1500 miles, solved a low rpm high load misfire (along with new coils).
Good to hear.

Did they come gapped correctly and what is the correct gap?
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      12-19-2017, 11:28 PM   #7
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Quote:
Originally Posted by NikD View Post
My 2009 128i convertible is coming up on 100k miles so I figure it's time to change the plugs. I checked getbmwparts and the OEM plugs are $16.25 (each?). Does anyone have recommendations on replacement plugs? Should I absolutely stick with BMW plugs or are there cheaper plugs which are just as good or better?

The car is a daily driver, no track driving.


This is the plug at getbmwparts: https://www.getbmwparts.com/parts/20...&siteid=214672
I just noticed your car is a 2009 model. Per RealOEM, the spark plug I mentioned is from 12/2009.
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      12-20-2017, 10:35 AM   #8
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Quote:
Originally Posted by gjm120 View Post
Good to hear.

Did they come gapped correctly and what is the correct gap?
From what I read - they come pre-gapped. I don't actually recall what the gap measurement is supposed to be, but it was a simple plug and play job (along with Delphi coils).
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      11-15-2018, 08:49 AM   #9
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Quote:
Originally Posted by asbrr View Post
Quote:
Originally Posted by gjm120 View Post
The plug shown in RealOEM is NGK LZFR6AP11GS. Sometimes listed as NGK 95712. You should be able to find these for around $60 a set. I bought a set from SixityAuto awhile back. Didn't need them yet but the price was good so they are in my parts stockpile.
I've had these on a 2010 128i for about 1500 miles, solved a low rpm high load misfire (along with new coils).
Quote:
Originally Posted by asbrr View Post
Quote:
Originally Posted by gjm120 View Post
The plug shown in RealOEM is NGK LZFR6AP11GS. Sometimes listed as NGK 95712. You should be able to find these for around $60 a set. I bought a set from SixityAuto awhile back. Didn't need them yet but the price was good so they are in my parts stockpile.
I've had these on a 2010 128i for about 1500 miles, solved a low rpm high load misfire (along with new coils).
Had the same issue lol they tried sweet talking me into changing the spark plugs for 250$. I laughed...
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      11-15-2018, 09:51 AM   #10
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Quote:
Originally Posted by LcossE82 View Post
Had the same issue lol they tried sweet talking me into changing the spark plugs for 250$. I laughed...
It's not a difficult diy. I just did mine about 2 wks ago. It was a bit early but I had the plugs on hand and figured why not. Car runs better now.

There are diy's on here and plenty of N52 video tutorials. One reason I'm glad I did it now is the plugs were in there really tight as if they might be seizing up. They were the original plugs.
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      11-15-2018, 10:05 AM   #11
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Quote:
Originally Posted by desertman123 View Post
https://www.amazon.com/NGK-6619-Irid...&keywords=6619

I've had these in my car since 80k mi (I'm now at 109k) and have had no issues, good gas mileage, etc
I clicked the link just for kicks and these are showing at $32.45 a set.
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      11-15-2018, 10:36 AM   #12
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Quote:
Originally Posted by gjm120 View Post
Quote:
Originally Posted by LcossE82 View Post
Had the same issue lol they tried sweet talking me into changing the spark plugs for 250$. I laughed...
It's not a difficult diy. I just did mine about 2 wks ago. It was a bit early but I had the plugs on hand and figured why not. Car runs better now.

There are diy's on here and plenty of N52 video tutorials. One reason I'm glad I did it now is the plugs were in there really tight as if they might be seizing up. They were the original plugs.
Where did you purchase your sparkplugs from?
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      11-15-2018, 11:06 AM   #13
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Quote:
Originally Posted by LcossE82 View Post
Where did you purchase your sparkplugs from?
Sixity Auto well over a year ago. They had a money off on anything and a good price so I grabbed them and just put them away. Last time I looked they don't carry NGK, but, if you shop around probably can find them for around $60/set. Search NGK 95712 and see what turns up.
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      11-15-2018, 11:07 AM   #14
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Quote:
Originally Posted by gjm120 View Post
Quote:
Originally Posted by LcossE82 View Post
Where did you purchase your sparkplugs from?
Sixity Auto well over a year ago. They had a money off on anything and a good price so I grabbed them and just put them away. Last time I looked they don't carry NGK, but, if you shop around probably can find them for around $60/set. Search NGK 95712 and see what turns up.
Not bad, better than 250$ from bmw😂 I'll look into it soon'
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      11-21-2018, 08:56 AM   #15
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I think I bought NGK iridium from Rock Auto for about $6 a piece. My stock plugs were NGK and were visibly bigger gapped at about 75K miles. NGKs come with something in the threads so you do not need anti-seeze.

Mike Miller, columnist for the Roundel, says to buy plugs from the dealer, what you get from a parts dealer are not the same. I do not believe that. It would be fraud for a supplier to stamp the same number on parts of different characteristics.

Plugs are easy to replace but you have to take a bunch of CRAP off the car to get to them. The housing for the inside the car air filter is HUGE. It is not a terribly challenging job but be prepared for several hours of pulling things off and putting them back.
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      11-21-2018, 12:51 PM   #16
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Quote:
Originally Posted by JimD View Post
I think I bought NGK iridium from Rock Auto for about $6 a piece. My stock plugs were NGK and were visibly bigger gapped at about 75K miles. NGKs come with something in the threads so you do not need anti-seeze.

Mike Miller, columnist for the Roundel, says to buy plugs from the dealer, what you get from a parts dealer are not the same. I do not believe that. It would be fraud for a supplier to stamp the same number on parts of different characteristics.

Plugs are easy to replace but you have to take a bunch of CRAP off the car to get to them. The housing for the inside the car air filter is HUGE. It is not a terribly challenging job but be prepared for several hours of pulling things off and putting them back.
I agree about dealer vs parts seller. I find it hard to believe NGK would run a separate manufacturing line and sell an inferior plug to parts suppliers.

Yes NGK says no anti-seize but I put a very thin coat of copper based ant-seize and reduced the torque spec. The original plugs were in there so tight it was scary.
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