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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Jan-14-2020, 09:08:04 PM   #1
E36E46Eb
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Default Seeking suggestions for upgrade clutch replacement SMG track only M3

Before you might be tempted to recommend a full SMG to 6 sp conversion, I canít. I am a disabled driver, and just donít have enough available limbs to operate everything a standard setup demands. When the Ferrari F1, BMW SMG, PDK, etc., became a viable option, Iím all over it and must stick with it.

My clutch is old and slipping after an SMG shift, even with lifting, so itís time to replace it. Turner, Bimmerworld, and others offer several levels of clutch upgrades, but all seem to be for the ď6 SPD MT onlyĒ, does anyone know of a robust clutch upgrade for a factory SMG, that will remain SMG? Thanks
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Old Tue, Jan-14-2020, 09:31:32 PM   #2
Steve M3
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

How many miles are on the car and how much power does it make above stock?

If the car isn't highly modified, I would just do another OE clutch and call it a day.
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Old Tue, Jan-14-2020, 09:47:08 PM   #3
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

New stock is your best bet.
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Old Tue, Jan-14-2020, 11:16:44 PM   #4
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

Agreed, even with slightly elevated whp, we run stock in the SMG endurance race car, the clutch never gives us an issue.
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Old Thu, Jan-16-2020, 08:45:23 PM   #5
E36E46Eb
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

Ok, looks like the overwhelming reccomendation is to stick with the OE setup. To answer the mods question, absolutely nothing to the factory engine and drivetrain, which show 160K mi indicated, and I have no idea what level of replacement of wearable items has taken place, but before the next track event am addressing the clutch and probably the main bearing issue to prevent gernading.

Really, as far as developing the car, I just plan to lighten the car and add aero as needed per race rules, and perhaps some light engine mods, again, per rules, cold air, possible ring & pin swap later. Any bang for buck suggestions welcome, and remember, it's a track only car so comfort and practicality are not in the picture. Thx much!!
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Old Fri, Jan-17-2020, 11:26:27 PM   #6
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

FYI SMG would need tuning or coding for a lightweight flywheel and clutch. Not aware of a DIY out there for making those modifications.

I had a tilton triple disc clutch in our 6MT and it was one of the best track mods we ever made. We now have an SMG and when the time comes well be using the OEM clutch and fw.

After you change the clutch you will have to run the SMG adaptations via DIS or something similar. Might also be a good time to flush the SMG fluid.
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Old Sat, Jan-18-2020, 02:25:58 AM   #7
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

FCP has the Luk Clutch kit for $317.29. https://www.fcpeuro.com/products/bmw...uk-21212282667 I used that one before getting the Clutchmaster FX400.
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Old Mon, Jan-20-2020, 05:53:05 PM   #8
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Default Re: Seeking suggestions for upgrade clutch replacement SMG track only M3

Quote:
Originally Posted by GrendelsbaneM3 View Post
FCP has the Luk Clutch kit for $317.29. https://www.fcpeuro.com/products/bmw...uk-21212282667 I used that one before getting the Clutchmaster FX400.
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Discussing Seeking suggestions for upgrade clutch replacement SMG track only M3 in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)