I know www.apexengineering.com can get aluminum flywheels, they usually cost $400-600. Jordan's flywheel was lightened to 12lbs, which is a nice drop from about ~20 stock for a single mass, and the alu ones are 8-10lbs for the M20. Jordan paid around $100 to have his lightened... so you can see which is a better deal. Then again, I had mine lightened for $100 and my machinist was only comfortable bringing it down to 15lbs.
325e 3/86-88=26.00
325ix up to 8/87 =25.00
All 325i and 325ix 9/87 =16.5
JBR (MPD) are the manufactures and suppliers to all the popular tuners including Apex.While I had a bad experience with my LTW Fly it was an error of their reseller not MPD.Their work is absolutely beautiful.
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