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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 10-03-2012, 08:16 PM   #1
325xittt
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Ate vs A1 Cardone vs original Master Cyl.

Can anyone recommend a good alternative to the pricy BMW master cylinders, The two options I'm finding are A1 Cardone re-manufactured or Ate new.

Background
I think its time to replace my Brake Master cylinder on my 325xit with 160K. When I apply the brakes the cars stops fine. When stopped when I push on the pedal with normal stopping force and it seams that the pedal will continue to drop over 2 to 3 inches after the pads engage. It does not go all the way to the floor (yet). Pads are new and the calipers appear to be working ok.

I plan to buy a power bleeder and will bleed the brakes before proceeding.

Any Ideas

Thanks for you input
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Old 10-03-2012, 08:29 PM   #2
Kubica
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Don't buy a power bleeder. Use the two man method instead.

Try and get the abs to kick on a few times and see if the pedal gets harder.
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Old 10-03-2012, 08:41 PM   #3
RGuill96971
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BMW brakes are made by ate
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Old 10-03-2012, 09:56 PM   #4
325xittt
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Thanks for the input guys

K
Panic stops and getting my girlfriend pumping the brakes for me. Sounds like a good time. Whats the issue with the Power Bleeders? I've always did it manually but thought the PB looked like a good method if you were short handed (or footed) as the case may be.

R
Thanks for the ATE tip, I'll probably go with them if I need to. I don't want to repeat some really bad experience with aftermarket parts (control arms, ball joints, CABS, and CV axles)
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Old 10-03-2012, 10:20 PM   #5
325xittt
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Found this link from another post on how to bleed with GT1 exercising the ABS when bleeding, I may try it if all else fails
http://tis.spaghetticoder.org/s/view.pl?1/04/54/63
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Old 10-06-2012, 07:53 AM   #6
tomoyer
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how's the fluid level in the reservoir? If low it can indicate a few things; a leak somewhere or a master cylinder seal that is leaking into the vacuum booster (actually getting sucked in). ATE makes most of the brake system parts for BMW.
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Old 10-06-2012, 07:56 AM   #7
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I always use the 2-man bleeding method, don't forget to start at the wheel/caliper furtherest from the master cylinder (the right rear, then left rear, then right front and finally the left front as this method will require the least amount of fluid and will remove any trapped air the quickest).
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Old 10-06-2012, 08:30 AM   #8
boongsin12
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Power bleeding works fine. It makes bleeding a lot easier even for someone who has never done it. Also it does shorten the bleeding time as compared to 2 man method.

Sent from my Nexus S 4G using Bimmer App
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Old 10-06-2012, 05:04 PM   #9
Kubica
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Originally Posted by 325xittt View Post
K
Panic stops and getting my girlfriend pumping the brakes for me. Sounds like a good time. Whats the issue with the Power Bleeders? I've always did it manually but thought the PB looked like a good method if you were short handed (or footed) as the case may be.

R
Thanks for the ATE tip, I'll probably go with them if I need to. I don't want to repeat some really bad experience with aftermarket parts (control arms, ball joints, CABS, and CV axles)
Two-man method just works better. Much firmer pedal. Power bleeders can get air trapped in the abs system.
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Old 10-08-2012, 06:42 AM   #10
325xittt
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Fluid level is good and steady no loses. I haven't had a chance to panic stop yet. I may just exercise the ABS using the GT1/DIS method above per the link and get any air out of the ABS valves and bleed using the two man method. I've got to finish up my front end refresh first I'll let you know how it goes.

Thanks
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Old 10-08-2012, 07:15 AM   #11
Kubica
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^by all means use the GT1 if you have access to one.
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Old 10-08-2012, 09:16 AM   #12
Lippy
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Originally Posted by 325xittt View Post
Can anyone recommend a good alternative to the pricy BMW master cylinders, The two options I'm finding are A1 Cardone re-manufactured or Ate new.

Background
I think its time to replace my Brake Master cylinder on my 325xit with 160K. When I apply the brakes the cars stops fine. When stopped when I push on the pedal with normal stopping force and it seams that the pedal will continue to drop over 2 to 3 inches after the pads engage. It does not go all the way to the floor (yet). Pads are new and the calipers appear to be working ok.

I plan to buy a power bleeder and will bleed the brakes before proceeding.

Any Ideas

Thanks for you input
I have the Motive Power bleeder and have been using it for years with no problems.

Also, I work at CARDONE in Philly. Let me know if you have any questions about our reman Master Cylinders. Obviously I'm biased... but I think they are good.
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Old 10-08-2012, 11:24 AM   #13
Kubica
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Originally Posted by Lippy View Post
I have the Motive Power bleeder and have been using it for years with no problems.

Also, I work at CARDONE in Philly. Let me know if you have any questions about our reman Master Cylinders. Obviously I'm biased... but I think they are good.
Can you let us know why reman Cardone axles for the xi have such a high failure rate compared to a couple years ago?
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Old 10-08-2012, 04:10 PM   #14
Lippy
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Can you let us know why reman Cardone axles for the xi have such a high failure rate compared to a couple years ago?
Hi Kubica, I checked with the product management team and they said the warranty rate or CV's is very low (including the E46 CV's).

I know a few years ago we addressed a BMW forum complaint about spot welding residue on the splines/misaligned inner housing. They actually changed part their process because of that complaint to fix the issues. I don't remember the exact application , but we are listening
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