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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > why SHOULDNT I buy the Cobb AP?



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      10-21-2011, 03:50 PM   #45
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Actually to this day I dont know why Cobb raised the rev limiter, there is no power up there in the first place.
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      10-21-2011, 03:50 PM   #46
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Quote:
Originally Posted by Beemw335 View Post
My dealership has already covered a blown engine on an x5, so they do.

And there is proof, Ill try to find it but I rememeber a guy with an m6 who was tuned(raised the rev limiter) and he broke something not sure exactly but it was an expensive repair, and bmw saw that he had revved more than the car could do stock and they voided his warranty.
Its very simple like how could you guys possibly think that top speed and rpm arent recorded somewhere, its a technological bmw not some old p.o.s.
First time I hear of a dealer covering the entire cost of an engine failure but I guess magic happens every once in a while.
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      10-21-2011, 03:51 PM   #47
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Quote:
Originally Posted by Litos View Post
!??!

dumbest post in here by far.....congrats......

i took my car into the dealership 2 weeks ago and got my turbos replaced under warranty.

all i did was uninstall my AP before i dropped the car off.

when i picked it up, i had the AP in my pocket - 200 yards from the dealer i reinstalled my AP at the gast station while punishing a Monster and some beef jerkey.
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      10-21-2011, 03:52 PM   #48
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
Actually to this day I dont know why Cobb raised the rev limiter, there is no power up there in the first place.
+1
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      10-21-2011, 03:54 PM   #49
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Quote:
Originally Posted by Beemw335 View Post
My dealership has already covered a blown engine on an x5, so they do.

And there is proof, Ill try to find it but I rememeber a guy with an m6 who was tuned(raised the rev limiter) and he broke something not sure exactly but it was an expensive repair, and bmw saw that he had revved more than the car could do stock and they voided his warranty.
Its very simple like how could you guys possibly think that top speed and rpm arent recorded somewhere, its a technological bmw not some old p.o.s.
Can you show us this, along with showing the OP where someone who's blown their engine that was Cobb tuned was denied warranty or had it voided?
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      10-21-2011, 03:58 PM   #50
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Quote:
Originally Posted by Royal Flush View Post
Can you show us this, along with showing the OP where someone who's blown their engine that was Cobb tuned was denied warranty or had it voided?
I never said cobb blew an engine!!
WOW... I dont know why you guys think that Im fighting with you or something Im just stating the fact about the rpm limit like its nothing new here.
Why do you think that people who sell a speed delimiter say THIS MIGHT VOID YOUR WARRANTY well because these things are stored incase of a big claim. Rpm is the same thing it IS stored.
Im not replying to you anymore, if you want to be stubborn and ignore the obvious thruth then go ahead.
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      10-21-2011, 04:00 PM   #51
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Originally Posted by AltecBX
Is removing the speed limiter an issue for warranty?. Is it true that speed info is gathered from 4 different modules around the car and there is no way currently to delete it without leaving a trace in the ECU?

(posted by Mike@n54tuning)
Yep, but most around here don't like to talk about it. Speed delimiters work by clamping the vehicle speed hardware sensor going to the ECU, but the actual speed is coming from the stability control module and being transmitted to various nodes including the ECU via the vehicles bus.

This maximum speed is stored in these modules, like the stability control module, and can be pulled by the dealer. In addition the ECU also receives the true speed via the bus and is aware the bus speed and hard-wire speed do not correlate, which can throw plausibility codes.

Most likely not going to be a problem unless you have a serious warranty claim though. Like blown turbo/motor that justifies opening a PUMA case. Or a serious accident where an insurance company or district attorney is looking to assign blame. But that data is thereand can be pulled easily.

Mike


Mike sells the speed delimiter and even he admits the top speed is recorded, and well rpm is aswell...
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      10-21-2011, 04:07 PM   #52
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Quote:
Originally Posted by Beemw335 View Post
I never said cobb blew an engine!!
WOW... I dont know why you guys think that Im fighting with you or something Im just stating the fact about the rpm limit like its nothing new here.
Why do you think that people who sell a speed delimiter say THIS MIGHT VOID YOUR WARRANTY well because these things are stored incase of a big claim. Rpm is the same thing it IS stored.
Im not replying to you anymore, if you want to be stubborn and ignore the obvious thruth then go ahead.
I wasn't stating Cobb blew an engine, learn how to read. I asked can you show us an engine that was blown, was Cobb tuned, and denied warranty or had it voided based on the RPM limit?
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      10-21-2011, 04:11 PM   #53
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Quote:
Originally Posted by CWO View Post

The irony
Dont get me wrong I respect cobb as a tune, never said anything bad except when they were having boost spikes but thats fixed now. Im just saying its stupid to raise the rpm for nothing and cause more problems for people down the road.
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      10-21-2011, 04:12 PM   #54
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Quote:
Originally Posted by Royal Flush View Post
I wasn't stating Cobb blew an engine, learn how to read. I asked can you show us an engine that was blown, was Cobb tuned, and denied warranty or had it voided based on the RPM limit?
My friend, cobb never blew a bmw engine so how can I show you that..
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      10-21-2011, 04:13 PM   #55
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Quote:
Originally Posted by Beemw335 View Post
Most likely not going to be a problem unless you have a serious warranty claim though. Like blown turbo/motor
Quote:
Originally Posted by Litos View Post
i took my car into the dealership 2 weeks ago and got my turbos replaced under warranty.

all i did was uninstall my AP before i dropped the car off.
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      10-21-2011, 04:17 PM   #56
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Quote:
Originally Posted by Royal Flush View Post
He never said why, could have been wastegate rattle???
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      10-21-2011, 04:18 PM   #57
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Quote:
Originally Posted by CWO View Post
I was all into getting a tune but this thread opened my eyes to the speed recorder. Im
pretty sure I cant talk my way out of why i was doing 150 on the autobahn, lol
Unless you have a big warranty claim, they wont check it. Its a risk but up to you if its worth it or not.
I have yet to delimit mine on my procede yet, but if I lived near the Autobahn...it would be a different story
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      10-21-2011, 04:23 PM   #58
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Quote:
Originally Posted by Beemw335 View Post
My dealership has already covered a blown engine on an x5, so they do.

And there is proof, Ill try to find it but I rememeber a guy with an m6 who was tuned(raised the rev limiter) and he broke something not sure exactly but it was an expensive repair, and bmw saw that he had revved more than the car could do stock and they voided his warranty.
Its very simple like how could you guys possibly think that top speed and rpm arent recorded somewhere, its a technological bmw not some old p.o.s.

I've seen stock cars overrev before... doesn't necessarily mean they're tuned
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      10-21-2011, 04:28 PM   #59
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Quote:
Originally Posted by Brey335i View Post
I've seen stock cars overrev before... doesn't necessarily mean they're tuned
bmw voids the warranty on those cars aswell.
http://forums.bimmerforums.com/forum...?t-241681.html
http://www.m5board.com/vbulletin/e60...nty-issue.html
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      10-21-2011, 04:29 PM   #60
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My last post on all of this.
For those who dont believe bmw can see these thing, here is some of the max/min they can see.
http://www.m5board.com/vbulletin/e39...ml#post1991958
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      10-21-2011, 04:57 PM   #61
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Quote:
Originally Posted by CWO View Post
Im pretty sure I cant talk my way out of why i was doing 150 on the autobahn, lol
There's nothing to talk yourself out of... sports package cars are limited to 155
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      10-21-2011, 05:15 PM   #62
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Garage List
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      10-21-2011, 05:19 PM   #63
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Quote:
Originally Posted by Questforpower View Post
First time I hear of a dealer covering the entire cost of an engine failure but I guess magic happens every once in a while.
They do, depend on the situation. My previous E92 07 335i had the whole engine rebuilt.
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      10-21-2011, 05:21 PM   #64
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Quote:
Originally Posted by mithiral67 View Post
News flash, mod at your own risk.
lol
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      10-21-2011, 07:04 PM   #65
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I appreciate all the feedback guys. So next obvious question is "which tune is the least detectable. I don't care about the higher mph or rpm. Time for a new thread or does someone know the answer?
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      10-21-2011, 07:08 PM   #66
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Procede or Cobb pick 1
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