NGK SILZKBR8D8S plugs are "high power." Free lifetime replacement from FCP Euro. You can also get your oil filter (& oil) there:
https://www.fcpeuro.com/products/bmw...plug-ngk-96987
Castrol Edge full synthetic European formula 0W30 or 5W30 will work & usually available at Walmart or local big box auto stores. Dealer was using BMW/Castrol full sunthetic 5W30 for free maintenance oil changes.
https://www.newtis.info/tisv2/a/en/f...nance/Hb9JyWsG
https://www.newtis.info/tisv2/a/en/f...nce/1VnYhFytp4
https://www.newtis.info/tisv2/a/en/f...enance/1PSryV8
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2015 BMW 228i in EstorilBlau II Metallic / Terra Dakota Leather - 6-speed manual, M Sport Package, Cold Weather Package, Lighting Package, Premium Package, Harman Kardon premium sound, Anti-theft alarm system, Blue Metallic Matt Accent Moldings, Aluminum Hexagon Interior Strips, Anthracite Headlining