Discussion in 'E81/E82/E87/E88 (2004-present)' started by Jay Polak, Sep 7, 2011.
How can you find out what engine you have in your 1 series?
input your serial number at
input your serial number at realoem.com?
if you had a N54 it'd be a 135i and you would know because you would have awesome power delivery. and you would be paying for it!
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