I put in NGK Lazer Iridium in mine about 60k ago and they've been fine.
Pros: they've been fine
Mileage: 60000 km
Owner reviews for spark plug
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Stock is generally fine, however if your tracking or going through multiple heat cycles on your drives id recommend er12s from brisk. I run them and they havent skipped at beat. Intervals are shorter for changes.
Pros: havent skipped at beat
Cons: shorter change intervals
Part number: ER12S
I had to pull champions that were hardly worn. NGK ran a lot better.
Pros: NGK ran better
Cons: champions hardly worn
I’ve had an APR stage 1 ECU tune on my 2017 GTI since 2020 with zero issues. I don’t track it. Just change plugs every 20k miles and have VW use OEM plugs.
Pros: zero issues
Vehicle:
Volkswagen Golf
Mileage: 32186 km
I did absolutely nothing apart of spark plugs and oil change . I had E90, 188k km, 330d until it meet it's end when I crash it to railguards. it never showed me any lights or anything so I would say around 60-80$ tops.
Pros: reliable, no warning lights
Vehicle:
BMW
Mileage: 188000 km
I did my spark plugs on my 335i f30 and I can say one thing. $400 for labor on spark plugs is treason. Shit should take those "experienced" mechanics maybe an hour.
Cons: expensive labor
Vehicle:
BMW
Assim que comprei fiz:\n\n* Cabos e velas Magneti Marelli\n\nO problema \u00e9 que vou viajar para o Guaruj\u00e1 no m\u00eas que vem e o carro est\u00e1 apresentando \"falhas\". Mas essas falhas s\u00f3 acontecem quando eu ligo o carro depois de ter andado com o mesmo.
Cons: falhas ao ligar quente
Vehicle:
Fiat Palio
I have a 21 xlt 4wd 2.7 and I do A LOT of driving for work. Recently crossed 80k miles and it started misfiring like crazy shortly after that and threw a code. Pulled the plugs and they were definitely fouled. I did some reading and saw most people change the plugs out around this interval so I went ahead and did it. EVERY auto part store near me only had 1 or 2 oem plugs and I couldn\u2019t really wait so I went ahead and got BOSCH iridium plugs. Well I\u2019m noticing when I get on it or go to speed up at higher RPMs/gears, I\u2019m getting what feels like stuttering or very minor misfires every now but it\u2019s not throwing any codes.
Cons: stuttering, minor misfires
Mileage: 128747 km
Put in new plugs which are NGK 2309 at stock gap which was recommended by my tuner. DID NOT CHANGE OR FIX MY PROBLEM.
Cons: did not fix problem
Vehicle:
Subaru
Part number: 2309
Those spark plugs don't look like the highest quality parts. Get some from NGK or Bosch. Better made parts that are more suited to modern engines
Pros: better made parts
Cons: not highest quality
Vehicle:
Subaru Impreza
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