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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 06-26-2014, 12:58 PM   #1
bsantoseeuro
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Join Date: Jun 2014
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cv boot tear

ok so i know theres a million threads on this and I've done my research however i kind of want to see what your guys opinion is on my cv boot tear.

I just bought a 2002 m3 in pretty good condition (113k that was a CPO). The day i brought the car home i noticed there was a few drops of a red oily/greasy substance in my garage floor. I planned on doing an inspection underneath anyway so I went ahead and jacked the car up and traced the substance coming from the cv boot. I inspected the boot and it's definitely torn. Passenger side is also torn, however it is not leaking.

what are you guys opinions on which direction to take? I don't know how long the boot has been torn for so should i just replace the entire cv axle or just go ahead and just do both boots? The car drives fine and i hear no strange noises. Of course i haven't had the car long so I don't quite know what sounds right or wrong.

let me know what you guys think, appreciate any future input

Last edited by bsantoseeuro; 06-26-2014 at 12:59 PM.
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Old 06-26-2014, 05:28 PM   #2
M3Froi
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If your cv boot is already torn and leaking grease your only option is basically to replace the axles. Don't go the cheap route by just replacing the boots because you don't know how long those have been torn and what substances may have made their way into your axle. It would only be a matter of time before your steering would go out and clunk everytime you'd make a turn. I suggest buying your own axles then going to an indy shop and asking them to install it for you to save some $$

Last edited by M3Froi; 06-26-2014 at 05:29 PM.
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Old 06-26-2014, 07:50 PM   #3
PITT M3 RR
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Easy up there /\,

An R and R is easy. ECS sells the boot kit and in the extreme case that you need them, the ball bearings for .40 cents a piece.

Remove the CV, tear it down, clean everything and reinstall with fresh lubricants and enjoy your car.

Mark orientation of each piece and rebuild as you took it apart.

There some decent DIYs
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Old 06-26-2014, 09:41 PM   #4
Teslazerok
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^ What Pitt said. Replacing the whole axle is unnecessary. If you open it up and the entire joint is screwed/corroded, then maybe, but you said it drives fine with no noises so that's unlikely.

Most likely just needs to be cleaned, repacked with grease and new boots.
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Old 06-27-2014, 05:38 PM   #5
M3Froi
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Well then, that's what I get for replacing mine at over 200k miles on my other car (Accord)
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Old 07-04-2014, 04:56 PM   #6
bsantoseeuro
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cool thanks for the input guys
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