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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 11-11-2012, 10:19 PM   #1
safa117
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Join Date: Jun 2012
Location: califonia
Posts: 4
My Ride: 02 M3
S54 Knock problem or just rebuild the engine

hello everyone, i have an 02 M3 S54 6SP w/153k. it throws the Vanos code and my mechanic told me $3100 to fix it. at this milage and cost i am thinking it may be better to find a lower milage engine and replace it or i am afraid the cost will too high to rebuild the engine. i love this car and i appreciate if you give me some idea what to do and where i can find these solutions. i live in So California. thanks
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Old 11-12-2012, 02:23 AM   #2
sakumaxp
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Join Date: Mar 2011
Location: Diamond Bar
Posts: 1,114
My Ride: 02 M3 convertible
Whatttt 3100?!?!? Your mechanic is ripping you a new asshole i got mine replaced with a new vanos from dr. Vanos, all together costed me about 1900...and you also get 400 dollars back when you return your old vanos to them.
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Carbon Black Metallic
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VCSL Front Bumper
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VIS GTR Hood
6K Angel Eyes
VMR VB3 19's
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Old 11-12-2012, 11:58 AM   #3
safa117
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Join Date: Jun 2012
Location: califonia
Posts: 4
My Ride: 02 M3
Sad news is he has been my mechanic for 15 years. I have been feeling that too. Thanks for the site. Now I have to shop around for labor. My other concern is the car when I got it the engine inside is dirty making me think that the owner did not do proper oil change. But finding a clean used engine is also hard to find. Thanks again.
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Old 11-12-2012, 12:02 PM   #4
sakumaxp
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Join Date: Mar 2011
Location: Diamond Bar
Posts: 1,114
My Ride: 02 M3 convertible
where are you in so cal?? if youre close to anaheim area go to EAS i get all my work done there, they do such awesome work!! cheapest prices imo.
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Carbon Black Metallic
SMG II
Verttttt
VCSL Front Bumper
VCSL 1 Piece Splitter
VIS GTR Hood
6K Angel Eyes
VMR VB3 19's
KW V2 coilovers
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Old 11-12-2012, 12:46 PM   #5
safa117
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Join Date: Jun 2012
Location: califonia
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My Ride: 02 M3
I live in mission viejo Orange County. Anaheim is ok for me too. Thanks
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Old 11-13-2012, 05:51 AM   #6
lucky_doggg7
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Location: OC
Posts: 282
My Ride: 2005 M3
OP - A dusty engine bay is not concrete evidence of poor service. I will admit, it is easy to be a worry wart about a M3 because there are some well documented issues, and perhaps because we frequent these and other forums a lot, it may just twist the reality of how prevalent one of these issues occurs. If you are concerned about the bearing shells on the big end of the con rod, have a sample of oil analyzed by Blackstone Labs. Many M3 enthusiasts use them, including me. They will tell you the copper conent in your oil and if it registers at a high content, that means the coating on the bearing shell has worn away and the base metal is exposed - now this would be something to worry about, but only after an oil analysis. Any thoughts without hard proof of an oil analysis will only make you turn grey sooner.
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Old 11-13-2012, 09:47 AM   #7
safa117
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Join Date: Jun 2012
Location: califonia
Posts: 4
My Ride: 02 M3
True that. My assumption of top rebuild is due to having dirty inside will cause poor oil delivery and causing other issues. So If I am going to spend money fixing a part it maya make sense to fix the entire top. Thanks.
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