Let`s make sure you are clear on what this listing offers, exactly.
Basically
This listing offers a gasket (door hinge brake).
Front or Rear
The part being offered here is for the front of the vehicle.
Fitment
The part being offered here is expected to fit
a BMW 3 Series, 4th generation. Another name for this model series or body style is E46.
For the US market, the part being offered here does not fit the entire model series range. Please see the fitment chart.
This part does not fit all of the years for this model series. It only fits: 1999, 2000, 2001, 2002, 2003, 2004, and 2005.
This part does not fit all of the body styles for this model series. It only fits the 4-Door, and Touring and only for the years indicated.
This part does not fit all of the model names for this model series. It only fits the 320i, 323i, 325i, 325xi, 328i, 330i, and 330xi and only for the years indicated.
a BMW X Series. Another name for this model series or body style is E83.
For the US market, the part being offered here fits the entire model series range.
This part fits all of the years for this model series: 2004, 2005, 2006, 2007, 2008, 2009, and 2010.
This part fits all of the body styles for this model series: 2.5i Sport Utility 4-Door, 3.0i Sport Utility 4-Door, 3.0si Sport Utility 4-Door, and xDrive30i Sport Utility 4-Door.
This part fits all of the model names for this model series: X3.
Part Number
The part number officially assigned for this part is 51218208647. The parts literature sometimes shows the first four digits of the part number separate from the last seven digits, like this: 5121 8208647. Sometimes they use periods and dashes in the part number; sometimes not.
Pictures
The pictures you see on this listing might be of the actual part(s) you would be buying, or it might not be, due to how multi-item listings work.
Quality
The part we are offering here is a used but genuine BMW part. It was most likely original equipment (OE) installed at the factory when the car was manufactured. The company who supplied this part is the Original Equipment Manufacturer (OEM).