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General E46 Forum
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Old 05-29-2014, 10:56 AM   #1
cptnbeard
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GM5 failed and Clutch slipping after swap

Hello!
I just recently replaced the motor and clutch on my 99 328i, and i have came into a few problems once i got it running. the 2 biggest being that my GM5 module has failed and the doors wont unlock. But the most important one im trying to figure out is the clutch. Its and F1 Racing Stage 2 clutch with LUK flywheel. The dam thing slips, mostly in 3-5th gear. and the pedal disengages the clutch at about 5% down. so i feel as if the clutch isnt full engaging and im not sure why. any help would be greatly appreciated.
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Old 05-29-2014, 12:19 PM   #2
Cavi Mike
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Was your F1 clutch a sprung hub? Because LUK flywheels are dual mass (there are springs inside the flywheel). You may have mis-matched parts and need the matching flywheel. Post a link to the exact clutch you bought.

Last edited by Cavi Mike; 05-29-2014 at 12:20 PM.
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Old 05-29-2014, 05:02 PM   #3
cptnbeard
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http://forum.e46fanatics.com/showthread.php?t=899434
This is the clutch I used
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Old 05-29-2014, 06:09 PM   #4
Cavi Mike
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Yeah, that's a sprung-hub disc, you can't use that with the LUK dual mass flywheel. You have a miss-match of parts right now. Transmission has to come back off - you need a different flywheel. Get the F1 chromoly flywheel.
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Old 05-29-2014, 07:21 PM   #5
cptnbeard
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http://pages.ebay.com/motors/link/?n...856828&alt=web
So this should work fine then?
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Old 05-29-2014, 08:45 PM   #6
Cavi Mike
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If you already have the clutch and pressure plate, all you need is the flywheel - though I'm not seeing it sold separately. Might want to try contacting them and let them know your situation. XTR, F1, FX - they're all the same company.
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Old 05-30-2014, 05:44 PM   #7
cptnbeard
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So what'll be easier, pulling the motor and dropping the trans, or drop the driveshaft, tilt the motor back, and drop the trans? My biggest problem with that would be getting the starter back in. I had trouble with that while the motor was out.
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Old 05-30-2014, 06:37 PM   #8
cptnbeard
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pages.ebay.com/motors/link/?nav=item.view&id=161265681420&alt=web
This is the clutch kit currently installed^^

http://www.ebay.com/itm/161265681386
And this is what I will be replacing it with.
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Old 05-30-2014, 09:34 PM   #9
typeflex
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F'n shiet! I have a 99 328i and I'm already dreading the day I have to get the clutch changed out. Good thread so that I know what to purchase when it comes time.
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Old 05-31-2014, 10:48 PM   #10
cptnbeard
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In all honesty, I think I'll just pull the engine again to get to the clutch.. Or I'll take it to a shop.
Unless someone else knows a trick to get the starter back on and the lining around the trans? I don't have access to a lift either. This will be done on jack stands..
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Old 06-01-2014, 12:35 PM   #11
Cavi Mike
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I haven't done a clutch yet on the E46 chassis so I don't know what's different since the E36 but I did my E36 on jackstands as well by dropping the trans out the bottom. So far all I've heard that's different with the E46 is the cabin air intake needs to be removed.
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