Most people are on vacation/ holiday weekend but I would say one if your pulleys is not lined up correctly causing the belt to move and destroy itself.
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Dave.0 Helix & RMW PoweredLifetime Supporter
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Did you get the shorter belt for the 15% pulley? I would change the belt tensioner and idler pulley. Dave is correct check tho make sure all the pulleys line up. What brand SC pulley do you have? Make sure that it is not slipping on the shaft or has moved out. Alta have been know to do just that.
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Mcs02 thanks for the reply.
The issue is the work for the pulleys was all previously done before I got the R53 so brand I wouldn't know also the previous owner said he had changed all the pulleys and tensioner and belt about 2 months ago but idk how true that is.
And in terms of the belt I believe I got the right one the first belt I bought was the wrong one but I bought the right one the next day and still same issue with the belt moving about a mm off the idler pulley and the new belt has the wear marks to prove it -
the proper belt is the Gates K060535. If you are sure all the pulleys line up then posable one is lose and moving once tension is put on it. I would remove the belt and make sure all the pulleys are tight. make sure your alternator bearings sound and feel ok, small chance it is going bad and causing the problem, but I would think you would hear it if it was that bad. The previous owner may have lost track of time and perhaps it has been longer. The new tensioner or idler pulley could have been bad, when I work on cars more then once I had a new part be bad. Don't assume anything is good. last thing is make sure the belt is on correctly, although I don't think it can be put on wrong. If it could I would have done it by now. I know you may already know most of this, I am only trying to cover all bases.
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DneprDave Well-Known MemberSupporting Member
If you can get a straight edge down alongside the the ends of the pulleys, you will be able to tell if one is out of the plane formed by the other pulleys. That pulley will be the culprit.
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Dave.0 Helix & RMW PoweredLifetime Supporter
A tape measure will fit or a flat metal rod to check the plane.
Also try and snap a pick of the SC pulley if it has 5 or 6 bolts on the head its a Craven Speed pulley which makes all the pulleys for Detroit Tuned, Helix and WMW. The crappy ALTA ones are black.
You can see the difference of them on Amazon.
15% Gates Belt KO60535
https://www.amazon.com/Gates-K060535-Multi-V-Groove-Belt/dp/B000C2SIXC/ref=pd_bxgy_263_2?_encoding=UTF8&pd_rd_i=B000C2SIXC&pd_rd_r=64JBDH6JPR8V3D2VQ6NP&pd_rd_w=7RGmC&pd_rd_wg=CwcIO&psc=1&refRID=64JBDH6JPR8V3D2VQ6NP
Idler Pulley - $28.00
https://www.amazon.com/Gates-36168-Idler-Pulley/dp/B001FM9WTC/ref=pd_sim_263_18?_encoding=UTF8&pd_rd_i=B001FM9WTC&pd_rd_r=9YRTA3ZEYT1KMWCT623F&pd_rd_w=avyvK&pd_rd_wg=O44Sw&psc=1&refRID=9YRTA3ZEYT1KMWCT623F
15% pulley
https://www.amazon.com/Cravenspeed-Supercharger-Pulley-15-Reduction/dp/B00X83J86S/ref=pd_sim_263_13?_encoding=UTF8&pd_rd_i=B00X83J86S&pd_rd_r=994PVAGDMZ4ZT5SNPMFR&pd_rd_w=oRpkg&pd_rd_wg=8bk7M&psc=1&refRID=994PVAGDMZ4ZT5SNPMFR
Crap ALTA Pulley
https://www.amazon.com/Alta-AMP-ENG-200V2-ALTA-Supercharger-Pulley/dp/B00IGWVLPC/ref=pd_sbs_263_5?_encoding=UTF8&pd_rd_i=B00IGWVLPC&pd_rd_r=ZGXKVYC6TKM11WD815KJ&pd_rd_w=elrR6&pd_rd_wg=rRfkO&psc=1&refRID=ZGXKVYC6TKM11WD815KJ -
Crashton Club Coordinator
I know you hates Alta & one Alta not buy one. That being said in 2006 I indeed did put an Alta 15% pulley on my MINI. 123,000 trouble free miles from it & I'm sure the present owner is adding to the mileage total even as I two finger type this. I replaced the crank pulley with an ATI along with idler & tensioner, plus a new belt. Same Alta pulley all those years & miles. Your mileage may vary. :wink:
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Well on an update drove the car for two days no problems but today now the car is shot and won't even turn on. Thought it was the battery but it's fine.
I have no clue as what it could be. All the dash lights are up don't kno -
Did you do a load test on the battery or just put a meter on it? Check the bolt under the + next to the air cleaner, this has been known to cause problems. And lastly as you know check all your connections and grounds, make sure they are clean and tight. Also it seems like a long time ago someone had an bad alternator that caused all sorts of electric problems. Maybe someone here can remember. BMW/MIN are really picky about power.
Did you get your belt to run true? If so what was causing the problem? -
Dave.0 Helix & RMW PoweredLifetime Supporter
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Thanks guys on an update charged the battery and it's running fine again not totally sure what the issue is but Im going to run the car to see any codes come up and the issue with the pulley is still there so I'm gunna see if I can get another idler pulley on soon
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Dave.0 Helix & RMW PoweredLifetime Supporter
Yeah I have been down that road before. :ihih: -
The battery actually looks brand new but from sitting and no use idk plus the car is on a air loft suspension so that requires little more juice from the battery. My thing is I tried the old trick of pulling off the terminals after the car started to see if the alternator was bad but it's seems fine the power steer now that mention it is a little tough I figured in was the just the way the car was. Mayb I should replace the system?