Quote:
Originally Posted by Redd
As above. But to me, for certain items, there is a quality difference between OE and OEM. But it's specific. E.g. for suspension arms, there seems to be a quality difference between OE BMW and TRW OEM arms.
For some items, like spark plugs, sensors etc, OE and OEM are the same.
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I agree 100% in regard to certain items having a quality difference.
OE & OEM are not always "the same", although for all practical purposes OEM vs OE performance is usually just as good.
Example: Spark Plugs on 15' 535i (N55); P/N 12-12-0-037-582
OE (Genuine BMW) are rebranded Bosch Plugs #ZR5TPP33S
OEM are Bosch #ZR5TPP33
The "S" suffix plugs are pre-gapped at 0.028", have a slightly higher resistance rating and are not available for purchase w/o BMW branding (at least, that's how it was a couple years ago when I ventured into the rabbit hole of replacing my plugs & coils)
Will it really make any difference? I dunno, doubtful, imo.