i've been switching back and forth at 5,000 miles intervals..........
with Mobil 0W40 and Castrol 0W30 with no issues.......both BMW LL-01
$45 DIY........7 quarts $4.99(Kragen/Autozone sale price).....$8/filter(10 for $80 Tischer)
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2006 E90 330i Jet Black | 20" WORK VS-XX | FK452 | H&R Sport on Koni Yellow | REMUS QUAD
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