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Old 08-25-2013, 12:17 PM   #1
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Join Date: Aug 2013
Location: Central Iowa, USA
Posts: 1
My Ride: '04 325Ci (Bradley)
Question Aftermarket Clutch Headache, Please Help

Long time lurker, first time posting...

I am a GM tech, so cars are not new to me but BMW's are. I recently bought a ACT (Advanced Clutch Technologies) BM6-HDSS clutch kit for my 2004 E46 325Ci loaded sport model, as my clutch was slipping REAL bad! (OVER 1000 rpm if you step on it) The plan was to get rid of the silly dual-mass flywheel and replace it with a lightened solid, with a stage one sprung race clutch so it can handle more projects and horseys in the future. As far as I know it is bone stock, so 2.5l inline six with 5-speed manual trans, rear wheel drive.

Yesterday I dropped the tranny to install the new clutch, when I went to install the clutch I found, much to my dismay, the old clutch disc to have 22 splines and the new clutch disc to have only 10 splines. Nor does my new release bearing slide into the trans. I even called the manufacturer BEFORE ordering to make sure I got the right set! My searching has lead me to find that the 6-speed trans has 10 splines where the 5-speed has 22 splines, but I only have 5 gears! (as far as I know?)

So my primary question, what transmission do I actually have? My transmission is sitting on my bench at work, so I can easily provide part numbers...tomorrow. Are there any special editions or anything of that sort? I can and will provide any information on the car if you only tell me where to look. I've seen some magic happen on this forumn, so pleeease help me out. If you made it this far, thank you for reading and happy driving!
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aftermarket, clutch, splines, trans, transmission

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