These are the parts that you get EXACTLY as if
you are walking up to an authorized dealership and buying a part at the parts
counter. (Example: Oxygen Sensor BMW Part # 11 78 1 735
499). These parts usually come in BMW marked packaging.
OEM (Original Equipment
OEM parts are parts that come from the same
factory that makes your Original BMW parts, but they are boxed in their
respective brands. (Example: Oxygen Sensor BOSCH Part
#13231, which cross references to: BMW Part # 11 78 1 735 499). These
parts are sold directly from the manufacturer to the suppliers or retailers and
not through the BMW Dealer network, and usually means savings for the end
consumer while still having the same OEM standards that the vehicle manufacturer
Aftermarket products are from manufacturers
that do not supply to BMW in any shape or form, it is important to note that its
not necessary that aftermarket parts are inferior. In general, there are 2 kinds
of aftermarket products.
The first kind is a cheaper replacement that
provide affordability to consumers, these maybe the same quality as the OE/OEM
parts or could be a little inferior to the OE/OEM products. A lot of customers
like to purchase non-critical parts like air filters so save a few dollars, as
long as it is a good reputable brand, you should be good to go! (just do your
The second kind are considered upgraded parts, a
very good example is the aluminium thermostat housing for an E36 BMW, the
original BMW plastic housing is prone to failures and the aftermarket aluminum
eliminates this problem. In this case, most of our customers prefer to purchase
the aftermarket aluminium housing for better longivity.
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