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N52 vs N54 engine

Discussion in 'E81/E82/E87/E88 (2004-present)' started by Jay Polak, Sep 7, 2011.

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    Jay Polak

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    How can you find out what engine you have in your 1 series?
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    input your serial number at

    input your serial number at realoem.com?
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    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! :p

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