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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 03-24-2013, 02:20 PM
strange82 strange82 is offline
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Location: Mexico
 
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BMW Z3 3.0i Spark Plugs

Hi guys, my Z3 3.0 (M54) is already due for change of the sparks plugs. The problem is that the ones I have on are Bosch platinum +4 4417, and here where I live is a small town, and I can't find that particular spark plug. I only found Bosch Platinum +4 4418. I ask to a friend in shop and he said that they are practically the same, just the temperature is slightly different and it should be no problem. I'm not sure if should I put this sparks plugs on my engine, does anyone knows how could possible affect it?. Or if somebody has an experience with these spark plugs please let know.

Thanks.
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  #2  
Old 03-24-2013, 06:23 PM
dkindig dkindig is offline
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Can you get NGK BKR6EQUP? These are shown in the BMW TIS as the OEM plug for the M54 Z3 and are what I use.
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  #3  
Old 03-24-2013, 10:39 PM
strange82 strange82 is offline
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Quote:
Originally Posted by dkindig View Post
Can you get NGK BKR6EQUP? These are shown in the BMW TIS as the OEM plug for the M54 Z3 and are what I use.
I tried to look for a different brand but without luck. I guess I'm gonna order them or go to the closest autozone; too bad is a 2 hr drive.

I was trying to understand the difference, if you have some knowledge on the effects of cold and hot sparks plugs in the engine; please let me know. I would be a food reference for the future.

Thanks.
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  #4  
Old 03-25-2013, 04:07 AM
brock5ga brock5ga is offline
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Quote:
Originally Posted by dkindig View Post
Can you get NGK BKR6EQUP? These are shown in the BMW TIS as the OEM plug for the M54 Z3 and are what I use.
Rockauto.com. $6.75 / plug + shipping. Still less than the parts stores with the shipping.
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  #5  
Old 03-25-2013, 08:51 AM
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BeemerMikeTX BeemerMikeTX is online now
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Mein Auto: Z3 3.0i Roadster, K1300S
You should be able to mail-order the correct Bosch or NGK spark plugs for your M54 from a BMW dealer. However, they won't be $7.00 per plug.
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"That's right, you're not from Texas, but Texas wants you anyway." -LL
2001 Z3 3.0i Roadster (Topaz Blue Metallic, 5-speed manual, Sport Package, CD radio, heated seats and mirrors, non-power top via special order)
"Beemer" is for my BMW motorcycles - '13 K1300S, '95 R1100RS, '88 K75S, '75 R90S (gone, but not forgotten).
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  #6  
Old 03-25-2013, 09:00 AM
rudyrov rudyrov is offline
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The first place I look for anything is AMAZON.com.

http://www.amazon.com/s/ref=nb_sb_no...inum+%2B4+4417
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  #7  
Old 03-25-2013, 09:31 AM
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vintage42 vintage42 is offline
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Mein Auto: 1997 BMW Z3 1.9 5MT
Quote:
Originally Posted by strange82 View Post
... I was trying to understand the difference, if you have some knowledge on the effects of cold and hot sparks plugs in the engine; please let me know. I would be a food reference for the future.
I used to think that if the plug fitted, the only big difference was heat range.
But then I bought NGKs that were advertised for my 1.9 on eBay. Very popular Iridium single electrode. But I found they were not listed for the 1.9 on NGK's site. Which led to an email exchange with NGK where I was told that plug design for a particular engine involves:
- Number of grounds (electrodes)
- Firing position (length of tip)
- Resistance (matched to car's spark coil)
So when buying plugs, check the manufacturer's website or their printed catalog so you only buy their plugs that are made for your car.
In the case of NGK for your 3.0 M54, see:
http://www.ngk.com/ngk-aut-c1411.aspx
The BKR6EQUP is identical to the 4-ground Bosch OE plug, while the BKR6EIX single Iridium is plussed (+) as better.
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