@Senior Leigh | 老李 Thanks in advance for putting together this wonderful site and video. I'm planning to replace the spark plug in my 2016 e350. I ordered a set of plug from FCP euro. Do you know what's the proper gap for the spark plug? The spark plug was shipped with the transmission fluid and got crash. I just want to make sure the plug has the proper gap before install.
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Thank you, and your E350's engine should be M276 DE35, and the spark plugs should be Bosch ZR6SII3320. The gap size is 0.7 mm. More detail on https://www.boschautoparts.com/p/double-iridium-spark-plugs-zr6sii3320-
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