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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 10-09-2012, 04:15 PM   #1
Asliceoflife
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Join Date: Sep 2011
Location: Miesenbach, Germany
Posts: 18
My Ride: 2002 BMW E46 330 Ci
Performance and known issues

Hi all,

Having a bit of trouble with my AA supercharged 330ci e46 automatic ****ing automatic.

First off my belt is slipping after 4k rpm, also the the supercharger pulls back under load and the belt jumps thread. I used the brace provided from AA but it just didn't seem to hold well so a tuning company out here in Germany fashioned a new one for me and it definitely helps but it nearly came off tonight.

The oil canister for the SC leaks from the top. AA told me to siphon some of the oil out and re level it so I did, but I'm still getting a bad leak and vapor seeping from the lid.

Also I ran 0-60 in 6.2, seems a little slow for a 6k plus equipment?

I absolutely love the set up, I haven't had any problems with AA they have been very helpful, just wondering if anyone has the same set up and maybe some dynos of their car and have had some experience with issues similar to these

Any help would be awesome.
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Old 10-09-2012, 05:30 PM   #2
Bdave
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Join Date: Feb 2008
Location: Fort Lauderdale
Posts: 1,827
My Ride: M3 HPF Stage 3
Quote:
Originally Posted by Asliceoflife View Post
Hi all,

Having a bit of trouble with my AA supercharged 330ci e46 automatic ****ing automatic.

First off my belt is slipping after 4k rpm, also the the supercharger pulls back under load and the belt jumps thread. I used the brace provided from AA but it just didn't seem to hold well so a tuning company out here in Germany fashioned a new one for me and it definitely helps but it nearly came off tonight.

The oil canister for the SC leaks from the top. AA told me to siphon some of the oil out and re level it so I did, but I'm still getting a bad leak and vapor seeping from the lid.

Also I ran 0-60 in 6.2, seems a little slow for a 6k plus equipment?

I absolutely love the set up, I haven't had any problems with AA they have been very helpful, just wondering if anyone has the same set up and maybe some dynos of their car and have had some experience with issues similar to these

Any help would be awesome.
having a belt that slips is often a problem with a super charger. Having a beefier bracket made is an excellent place to start. You need to find some one who can check the belt alignment with a laser.

Clean the belt with some denatured or iso propyl alcohol. Do not spray it with any anti slip aerosols. Have someone evaluate your tensioner. VERY carefully inspect ALL your fluid lines for leaks and misting, especially the oil and power steering lines. The smallest amount of oil or hydraulic fluid will cause slipping, premature wear and failure of the belt. You belt must remain bone dry, free of any contaminants.

After going through all those steps first, if the belt still slips, you will need to ask AA to provide you with a belt number that is just slightly smaller than the one you have now.
The key is to start with a bracket that has absolutely zero deflection to it. Sounds like you have done that already. Now, just work your way through the steps. If I missed a step, someone is bound to chime in.

A very very last resort would be to go to a smaller drive pulley and a larger compressor pulley. That is extremely involved and would likely involve a lot of careful calculations and custom work. You should be able to solve your problem with out resorting to that last desperate step.

Good luck.
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Last edited by Bdave; 10-09-2012 at 05:36 PM.
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Old 10-09-2012, 07:33 PM   #3
Asliceoflife
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Join Date: Sep 2011
Location: Miesenbach, Germany
Posts: 18
My Ride: 2002 BMW E46 330 Ci
Thanks so much for the reply, I will get started on that in the morning!
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