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| 05-13-2015, 01:31 PM | #1 |
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Private First Class
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N55 Spark plugs - BOSCH ZR5TPP33-S vs ZR5TPP33
I am looking to change my spark plugs and looking up info on spark plug replacement.
It looks like OEM spark plug for N55 is BOSCH ZR5TPP33-S. However Amazon sells BOSCH ZR5TPP33 (NO "-S") Is the ZR5TPP33-S same as ZR5TPP33? Besides Bosch, what other good choices are there? TIA! |
| 05-14-2015, 01:20 AM | #2 |
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Drives: G81 M3 Touring, GR Supra GTS
Join Date: Jan 2012
Location: Perth
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| 05-14-2015, 02:28 AM | #3 |
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European Editor
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I think the "S" stands for silver on Bosch-speak. But I would only buy the BMW-Bosch plugs from a BMW dealer. The Bosch plugs can sometimes cause a misfire. That's why I prefered to buy my spark plugs from a BMW dealer. I just did not want to take a chance - to save a few bucks.
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