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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, Jun-04-2019, 08:48:37 PM   #1
M3kanic
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Default Does this idle tick sound normal?

Hello everyone, long time lurker, first time poster. The strange thing about this tick is that it fades in and out, and I really only hear when next to a wall or enclosed area. It's mainly when the oil is hot. I've had the car for a year and got it with 146,000 miles. Currently at 158,000. I just did a valve adjustment and none were out more than one shim size larger. Recent Blackstone analysis was perfect. I replaced rod bearings at 150,000 with OE. I did the full Besian Vanos treatment as soon as I got the car. Compression test is good. New plugs and coils. It may be normal and I'm just being overly paranoid. All opinions welcome! I will admit that I did not carefully look at each cam lobe and rocker arm while doing the valve adjustment.

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Old Tue, Jun-04-2019, 09:39:06 PM   #2
switlikbob
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Default Re: Does this idle tick sound normal?

Almost sounds like injectors to me.

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Old Tue, Jun-04-2019, 09:55:08 PM   #3
kuksul08
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Default Re: Does this idle tick sound normal?

Sounds normal to me. These engines are very noisy. You need to worry when it's more of a knocking sound either from the VANOS or deep within the motor.
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S54 Valve Adjustment DIY, Excel, Print out: https://www.dropbox.com/s/z1jdt6kbu7...0info.zip?dl=0
S54 VANOS DIY video (cam bolts, oil pump disk, etc.): http://www.youtube.com/watch?v=9SkT2j3jsU0
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Discussing Does this idle tick sound normal? 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)