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      02-17-2013, 08:45 AM   #15
marine24
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Drives: 07 335i
Join Date: Aug 2012
Location: Pleasant Grove, UT

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I've done it twice now (once on my sedan and then once on the coupe I have now). It's easy to do, but time consuming because you have to take off the intake manifold. That's where the cost is, the labor. If your willing to try it yourself the DIY is very helpful