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      01-08-2013, 12:10 PM   #837
Beedub
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Quote:
Originally Posted by tikamak View Post
Do you know what the update consists of?
i have no idea..... drop then a line and get the info and post it up maybe??
Your kit will get the "new" tune.
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      01-08-2013, 07:19 PM   #838
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Quote:
Originally Posted by Beedub
small notice for you, ESS has now updated the tune for the 500/550 cars. you may want to get in contact and get your update.... no matter to me as im going to evolve.
Interesting. Thx for the heads up!
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      01-08-2013, 09:03 PM   #839
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Quote:
Originally Posted by Beedub View Post
small notice for you, ESS has now updated the tune for the 500/550 cars. you may want to get in contact and get your update.... no matter to me as im going to evolve.
Yeah, really curious to know. I had some pretty serious problems with the original VT2-500 tune on California 91 octane gas (highest available here, always from top quality gas stations), and they revised it for me, but I'm not sure if it's been updated again?

Is it possible to apply their updated tune with the ESS flasher unit, or do you have to send in the ECU?
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      01-08-2013, 09:12 PM   #840
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Quote:
Originally Posted by ZStig View Post
Interesting. Thx for the heads up!
+1
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      01-09-2013, 11:41 PM   #841
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Quote:
Originally Posted by iPhoneEngineer View Post
Yeah, really curious to know. I had some pretty serious problems with the original VT2-500 tune on California 91 octane gas (highest available here, always from top quality gas stations), and they revised it for me, but I'm not sure if it's been updated again?

Is it possible to apply their updated tune with the ESS flasher unit, or do you have to send in the ECU?
let me know, and then let me borrow your flash unit for a few quid
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      01-10-2013, 01:38 AM   #842
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I just asked AJ and the tune update is for the E46 M3 VT2-550 people not us.
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      01-10-2013, 07:20 AM   #843
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Quote:
Originally Posted by tikamak
I just asked AJ and the tune update is for the E46 M3 VT2-550 people not us.
Did you ask him why they aren't revising the z4m tunes???
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      01-10-2013, 07:43 AM   #844
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Quote:
Originally Posted by Beedub View Post
Did you ask him why they aren't revising the z4m tunes???
No he only replied that, the next day.
I don't want to engage a discussion with him about e46 M3 tune and Z4M tune.
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      01-10-2013, 12:21 PM   #845
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Quote:
Originally Posted by tikamak View Post
No he only replied that, the next day.
I don't want to engage a discussion with him about e46 M3 tune and Z4M tune.
your not understanding what im getting @......

no worries... ill dig out what i need to know ;-)
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      01-10-2013, 06:53 PM   #846
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Quote:
Originally Posted by tikamak View Post
I just asked AJ and the tune update is for the E46 M3 VT2-550 people not us.
same old story from them..
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      01-10-2013, 07:39 PM   #847
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Quote:
Originally Posted by tikamak View Post
I just asked AJ and the tune update is for the E46 M3 VT2-550 people not us.
Aww man, that's a bummer.

Someone posted a dyno on their E46 M3 with the updated tune. He stated that his former low end throttle stutter is now gone. Even more impressive is that his top end pulls very nicely based off what was depicted on the dyno.

Do you guys have similar issues with your Z4 VT2 kits? Throttle stutter around 3000RPM and below?
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      01-10-2013, 09:23 PM   #848
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1 block from my house, the main belt jumped off. Upon closer inspection, one of the tension pulleys broke and scraped against one of the other pulleys. Now both need to be replaced. Gotta find the part numbers. At least the belt doesn't look damaged at all..

These pulleys are such a bitch to take off. I don't even know whats holding the tensioner pulley on. I removed the central bolt, but its still stuck in there
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      01-11-2013, 12:04 AM   #849
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Im working on my car and had a look form underneath, it looks like just the center bolt holds it.If i can help in an other way let me know.
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      01-11-2013, 02:16 AM   #850
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Quote:
Originally Posted by ZStig View Post
same old story from them..
i agree and its getting way boring now...... the z4m tune behaves in exactly the same way that the e46 tune behaves which forced ESS to do a tune update and apparently its brilliant and giving more top end!!! Im getting really annoyed how the z4m community seem to just be left out all the time, no updates, nothing....
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      01-11-2013, 08:59 AM   #851
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Thanks a lot! Do you it beedub have the belt diagram from ess by any chance?
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      01-11-2013, 09:30 AM   #852
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      01-11-2013, 09:32 AM   #853
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nice!!!
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      01-11-2013, 01:22 PM   #854
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You guys are awesome. Thanks. Looks like parts are gonna run about $200 for this fix
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      01-19-2013, 04:27 PM   #855
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fuck, can't find replacement supercharger oil anywhere in stock locally
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      01-21-2013, 06:13 PM   #856
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I'm back in business! Will find out tomorrow how much the labor for the work was...
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      01-21-2013, 08:26 PM   #857
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I'm back in business! Will find out tomorrow how much the labor for the work was...
What parts did replace?
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      01-21-2013, 09:53 PM   #858
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Updated BMW Hydraulic Tensioner assembly + its pulley and new bolts $112.95
Water pump pulley $44.87
4 new water pump pulley bolts $3.95
New custom size belt $20
Barely used S54 Oil filter housing $285 shipped

While at it, I did a full engine oil change, fresh power steering fluid, and supercharger oil change

+ about 6 hours of labor on a friend's rate since the supercharger, and alternator had to come out. The oil filter housing is a bitch to get to


there goes my mod money for the next 6 months
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