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If that is the N52 motor, the screws are single use only. Check this out on an e90 board for endless details. I had an '06 330i that needed this done a few years back. Turner Motorsport did it for around $600.
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'13 335is convertible (manual)
'11 X3 xdrive35i
'15 Sienna Limited AWD (road tripper)
'06 330i MT, sport,premium (retired)
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