Most manufacturers don't make their own spark plugs anyway. They are usually just rebranded Denso/NGK/Bosch. I would have no concern fitting NGK spark plugs provided the part number is correct.
Pros: no concern fitting
Owner reviews for spark plug
Manufacturers
Comparisons
Use NGK brand and replace it.
Pros: easy to replace
Changing the spark plugs, spark plug wires, ignition coil and the coolant temperature sensor fixed the cold start issue.
Pros: fixed the cold start
Vehicle:
Volkswagen Jetta
August 28 2024 : Spark plug change Bosch 70,588
Vehicle:
BMW
Mileage: 113592 km
There is a meteor 350 in my riding group with an iridium plug which i will say he Acquired Unexpectedly, and damn the results are just awesome.
Pros: results are awesome
I almost went 200000 km on my bmw between spark plug changes, and the motor runs so much better after. My fuel economy almost doubled, and performance was a night and day difference
Pros: motor runs better, fuel economy doubled
Vehicle:
BMW
Mileage: 200000 km
95K, swapped for NGK laser iridium’s (OEM replacement) plugs and since then have had rough idle but when driving feels fine.
Pros: feels fine when driving
Cons: rough idle
Vehicle:
BMW
Mileage: 95000 km
Champion are ok if you change them every 2000 miles, otherwise they tend to loosen up at the terminal and you end up having to retighten them on a rigid mount Harley every 500 miles or so.
Pros: ok if changed often
Cons: loosen up at terminal
Mileage: 2000 km
I own an Audi Q5 that takes the iridium plugs. I put the standard NGKs instead and they wore out within 10,000 miles.
Cons: wore out within 10000 miles
Vehicle:
Audi Q5
Mileage: 10000 km
I got 2 cheap sets of these online for a Honda idsi engine (8 iridium plugs required) they turned out to be fake and were burned out in 6 weeks causing it to misfire badly.
Cons: burned out in 6 weeks
Vehicle:
Honda
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