This is the genuine bmw
spark plug (part number: 12
12 0 037 582 ). this oem high-power platinum spark plug is primarily used in bmw vehicles with 3.ol
turbocharged engines (such as n55 and s55 engines found in the 135i, 335i, 435i, m2, m3, and m4 models).
the silzkbr8d8s (ngk stock
code 97506) is a premium
laser iridium spark plug engineered primarily for high-performance bmw and
mini engines.
the part number 12 12 0 039
664 (or )
corresponds to a genuine
oem spark plug primarily used in bmw vehicles (such
as the n20 engine). it is typically manufactured by bosch (part number: zr5tpp330) or ngk (part number: silzkbr8d8s) and helps regulate smooth engine operation and optimal fuel efficiency.