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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, Dec-26-2017, 05:41:01 PM   #1
MrVond
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Default what is this noise


only happens under power at 1k and 3k rpms, it kind of sounds like a chewbacaca noise. i have not found any other RPMS that it makes this noise in, to reduce potential damage, car drives just as normal
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Old Tue, Dec-26-2017, 06:50:17 PM   #2
ThunderMoose
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Default Re: what is this noise

Chewbacca noise is typically idler pulley. I am not able to watch video from my phone so can't comment on your specific noise.


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Old Wed, Dec-27-2017, 01:04:18 AM   #3
MrVond
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Default Re: what is this noise

Quote:
Originally Posted by ThunderMoose View Post
Chewbacca noise is typically idler pulley. I am not able to watch video from my phone so can't comment on your specific noise.


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Idler was changed last year...it is possible that it went bad, but I think itís unlikely.
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Old Wed, Dec-27-2017, 01:15:09 AM   #4
ThunderMoose
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Default Re: what is this noise

Probably not. Do you have a stethoscope?


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FLMS Half Cage, RaceTech 4009HR drivers seat, Schroth 6-Pt Harness, E.S.S. Fire System, AIM SOLO DL with ECU Harness, SmartyCam, Angle Aluminum with VAC dead pedal, Sparco Steering Wheel on MOMO hub, MCS Suspension, Hyperco 800F 900R springs, Hotchkis Front and Rear Sway bars, Vorshlag Camber Plates, Turner ARCA, AJ Hartman Front Splitter, BW V2 Wing, BW CF Rear Diffuser, APEX ARC-8 wheels, Brembo BBK Front, Carbon Fiber Roof, CF Headlight Blanks, Door Windows and Cards Delete, TMS rear and front subframe reinforcement, Zionsville Competition Cooler, BW Oil Cooler, Oil Diverter Valve, Motorsports Thermostat, Evolve CF Intake, Epic Stepped Headers, Turner Pulleys, BW 3.5" Race Exhaust, EPIC Alpha N Tune, Beisan Oil Disk and Vanos Seals, ZF 5MT, CAE Ultra Shifter

My track journal: http://www.m3forum.net/m3forum/showthread.php?t=509148
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Old Thu, Dec-28-2017, 10:20:53 AM   #5
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Default Re: what is this noise

noise went away... odd
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Old Sun, Dec-31-2017, 07:40:25 AM   #6
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Default Re: what is this noise

New noise
Only happens when starting
Doesn’t matter cold or not
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Discussing Avin Avant 3 Wait and Other Options 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)