I have been using them, never had problems. Start up is faster, idle is smoother, throttle feels more responsive.
Pros: faster start up, smoother idle, responsive throttle
Vehicle:
Volkswagen
Reviews of NGK spark plug
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I miss my NGK V powers. I always ran them in my 1.8T's and changed them every oil change because they were so cheap to buy. Put these in and she's as smooth as butter. Torque profile feels better at partial throttle too. Needless to say I am very happy.
Pros: smooth idle, better torque, cheap to buy
Vehicle:
Volkswagen
I began reading and ended up buying a set of NGK BKR7E-11 (Stock# 4464). From researching, it looks that the ones I got had the v-groove center and a little less projected tip. They are also 2 steps colder. It's been about 3k miles and the car is running great. Big difference over the Denso plugs as far as smoothness. I did not notice a difference in mileage.
Pros: running great, smoother operation
Cons: no mileage difference
Vehicle:
Volkswagen
Mileage: 3000 km
Part number: BKR7E-11
I can only comment on the ZFR5E-11 ... and let me say...THEY ARE AWESOME. Now of course these are not "official" OEM spark plugs for our engine, so just remember that...but the results speak for themselves. I'll say it again for effect... THE NGK ZFR5E-11 STANDARD COPPER SPARK PLUGS RUN GREAT IN VW 2.5L INLINE-5 CYLINDER ENGINES !!!!!!! Just had to gap down to .040"/1.0mm. The butt-dyno says YES, idle is smoother, MPG's are up (couldn't get more than 28 highway before, recorded multiple highway cruises on the NGKs at 72-75mph in the 30.X range!), and, oh yeah, did I mention they cost $2.50 per plug? The wallet also says YES. So run along now to your local auto parts store, where they are literally ALWAYS in stock (part #4435) and rejoice at the thought of walking out with 5 quality NGK copper plugs for less than $13.
Pros: awesome performance, smoother idle, improved MPG, low cost, always in stock
Cons: not official OEM
Vehicle:
Volkswagen
Part number: ZFR5E-11
Replaced the plugs -- BKR8EIX per the hstuning blog. I'm still getting the misfires...
Cons: still getting misfires
Vehicle:
Volkswagen Golf
Part number: BKR8EIX
I'm running PFR7Bs. I get a misfire or 3 here and there, only during low load low speed acceleration. I've got R8 coils too. Not sure if the RFD makes them occur any more frequently than they otherwise would, but I'm not worried about it.
Cons: occasional low speed misfire
Vehicle:
Volkswagen Golf
Part number: PFR7B
I'm Stage 2+ with r8 coil packs and ngk BKR7EIX and still get misfires. I'm not happy about it and I'm not sure what to do.
Cons: still get misfires
Vehicle:
Volkswagen Golf
Part number: BKR7EIX
NGK BKR6EQUP. Those are the original and they tend to work well for the entire 100k change interval while many other brands/models can be problematic after a while.
Pros: work well, long interval
Cons: other brands problematic
Vehicle:
BMW
Mileage: 100000 km
Part number: BKR6EQUP
I pulled my original plugs, and they were exactly the same as the replacement NGK. They're nice so far.
Pros: nice replacement
Cons: super pain to remove
Vehicle:
BMW
Mileage: 130000 km
i am using pfr7b. maybe coincidental but my 3000-6500 logs always run a few milliseconds faster. only problem with .028 are some few intermittent low rpm misfires.
Pros: better performance, faster logs
Cons: intermittent low rpm misfires
Vehicle:
Volkswagen Golf
Part number: PFR7B
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