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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 Sun, Nov-04-2018, 03:10:59 PM   #1221
rwfisher
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Default Re: e46 M3 Maintenance Thread

Silly question of the day...what's the nominal lifespan of the rear springs for a street-only vehicle? I believe i read that the shocks and struts are affected by lowering, but is this the case for springs as well?
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Old Sun, Dec-09-2018, 07:50:26 AM   #1222
fayraree
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Default Re: e46 M3 Maintenance Thread

Quote:
Originally Posted by rwtw0165 View Post
Much appreciated! I'm due for a valve adjustment and I am no way going back there... They couldn't even change my corner bulb for me without breaking my headlight tab!
Saw this too late! You need to go to Total M Car (fellow member owns it: Coinage) in Annville, PA. Hands down one of the best S54 Indy mechanics on the east coast. You should look through my maintenance thread:

http://www.m3forum.net/m3forum/showthread.php?t=451183

The man is a genius. Have your VANOS thoroughly inspected when you do a valve adjustment.
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Old Wed, Dec-26-2018, 12:26:53 AM   #1223
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Default Re: e46 M3 Maintenance Thread

Maintenance question: now that these cars are getting pretty old has anyone done any cleaning/lubrication of the ITB throttle linkages? Would this ever be necessary/beneficial for smoother throttle actuation? It wouldn't be absurd to me if the springs that provide resistance to the opening of the ITBs could use a little grease since mine have kind of rough looking surface metal which could be causing friction as the ITBs open. Also maybe the little ball joints on either end of each plastic linkage piece? Is this a ridiculous thought?

If anyone has done this, do you have a recommended lubricant that would work well for this purpose and also not attract grime that would make things worse down the road?
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Old Wed, Dec-26-2018, 01:52:21 AM   #1224
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Default Re: e46 M3 Maintenance Thread

My springs and linkage were thoroughly cleaned and greased when they were removed.

A better question imo is when will we see the springs needing to be replaced? Some are coming up on 20yrs..........

We lightly used a white lithium grease. But I dont daily my car so grime doesn't build up at all.
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Old Wed, Jan-02-2019, 05:06:42 PM   #1225
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Default Re: e46 M3 Maintenance Thread

Fantastic thread. Not a mechanic but love working on my cars at the lower levels
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Old Wed, Jan-02-2019, 05:07:47 PM   #1226
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Default Re: e46 M3 Maintenance Thread

Interested in the Q on springs as well. Honestly, at 83k miles my 04 feels good but Im sure the bushings are tired

Last edited by Denteen; Wed, Jan-02-2019 at 05:08:41 PM. Reason: Left out springs
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Old Wed, Jan-02-2019, 05:10:19 PM   #1227
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Default Re: e46 M3 Maintenance Thread

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Originally Posted by Elgm View Post
Recently found and replaced this on an m3. I would like to remind you to check the fittings on your oil cooler lines at least yearly. Car had 170k kms.

Excellent. Thanks for sharing this.
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Old Thu, Jan-10-2019, 04:02:49 PM   #1228
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Default Re: e46 M3 Maintenance Thread

Putting parts listing together for diff seal service. Had the vehicle up in the air the other day and noticed a fairly significant leak around the differential.

33121213949 OEM Front Seal (Diff)
33111214144 OEM O-ring (x2)
83222282583 OEM Diff Oil (x3)
33107510289 OEM Shaft Seal with lock ring (x2)
33121205138 OEM Drive Flange Washer

Am I missing anything?
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Discussing e46 M3 Maintenance Thread 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)