Stick with the Osram/Phillips or if you want to save a bit, go with Morimoto 3Five. They're truly amazing. I've a pair in my E90 and I couldn't believe how much improved the output is compared to my 7 year old bulbs. Google the Morimoto bulbs, there's an extensive write up and test comparing them to the heavy hitters like CBI or axe arc.
I bought mine from ProLightz.ca.
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'16 M3 | '23 718 Spyder
Past: E92 M3, F87 M2, E39 M5, etc
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