vs
Spark plug OEM BMW or OEM Subaru
Reviews
I bought my 2019 330i in 2022. It was a lease return. While basic maintenance items are a lot more than, let’s say, a Toyota, it has been far from a money pit. I have put 50k miles on it in the three years I’ve had it, and had nothing out of the ordinary go wrong. Spark plugs, brake pads, air filters, tires, oil changes, that’s it.
Pros: nothing out of ordinary
Cons: maintenance items pricey
Vehicle:
BMW
Mileage: 80467 km
It is, I have a 2020 330xi with 80k miles. It runs like a champ. Make sure you change out spark plugs. Most people don't. NGK's come with the car.
Pros: runs like a champ
Cons: spark plugs
Vehicle:
BMW
Mileage: 128748 km
The tools aren’t expensive. Yes I use dielectric grease but not anti sieze on the threads (only because BMW orders us not to). Easy job for most cars.
Pros: tools aren't expensive, easy job
Cons: BMW orders not to use anti-seize
use BMW OEM plugs from the dealer. Yes the are expensive but I have never had a problem with misfires and I've put over 100,000 miles on my current E36 and over 150,000 on my first. While they are suppose to work and be interchangeable according to the manufacturer the NKG you buy aftermarket are supposedly different than what you get from BMW
Pros: no misfires, high mileage reliability
Cons: expensive
Vehicle:
BMW
Mileage: 160934 km
Changing my sparkplugs for the first time (32k miles, yes it's early but I got a great deal on the plugs) and found that the stock plug in cylinder 4 actually had a ground electrode defect and was significantly thicker than normal. The car runs stronger than it ever has as this was likely causing extra timing pull.
Pros: car runs stronger
Cons: ground electrode defect
Vehicle:
Subaru
Mileage: 51500 km
im at 95k with the original plugs. no issues
Pros: no issues, lasted 95k miles
Mileage: 152887 km
I waited till like 100k to do my spark plugs on my 2013 Crosstrek, they were still good just not as efficient
Pros: lasted 100k miles, still good
Cons: less efficient at high mileage
Vehicle:
Subaru
Mileage: 160934 km
If you are willing to put some money into it before resorting to drastic measures, try replacing all 6 of your spark plugs and ignition coils. Might help in your case, or it might not.
Pros: might help
Cons: might not
Vehicle:
BMW
RIP doing spark plugs at home and not hating life.
Cons: difficult to replace
Vehicle:
Subaru
Good luck doing spark plugs
Cons: difficult to replace
Vehicle:
Subaru
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