Spark plug NGK or OEM Subaru

My 2017 Jetta SEL with LFER7BHX 9512 plugs starts/runs fine at 50076 miles, 0-100 degrees F.

You can run NGK Rutheniums, i run them on with my is20 and no complaints either.

I swapped for Rutheniums, No complaints and its a easy job

Stick to NGK R7437s. They are pricey but the best plug for a tuned car forsure. I inspect the gap every 5k miles and replace every 10k. Mine are gapped to .022

I’d go with the recommended NGKs, buy from fcp euro and you only need to pay for them once. Those are what I run on APR stage 2.

I went ahead with an NGK Laser Iridium. Compared the ones from the engine and the new ones and were identical in shape and form. It does seem to work fine after testing it.

NGK Iridium, it’s what I get about everytime.

Recently got the following parts: Racingline VWR Springs 034 Motorsports strut mounts, new bearings and bump stops Rear strut mounts with new hardware and bump stops Deautoled LED license plate OEM Autodimming rear mirror with wiring harness APR boost tap NSP boost gauge with vent Hella oil level sensor Oil pan w level sensor European Headlight Switch APR Coilpacks Spark Plugs NGK BKR8EIX R LINE CENTER CAPS

NGK and Bosch are the same ones as the Genuine BMW ones. The latter are just rebranded and marked up.

Replaced the plugs -- BKR8EIX per the hstuning blog. I'm still getting the misfires...