BMW M3 Forum (E90 E92)

BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read


Go Back   M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications
 
Strasse Wheels
Post Reply
 
Thread Tools Search this Thread
      07-03-2008, 12:30 PM   #1
SlammedR8
Brigadier General
SlammedR8's Avatar
Canada
118
Rep
4,937
Posts

 
Drives: 2010 Audi R8 V10 +2013 Audi S4
Join Date: Jul 2007
Location: Toronto

iTrader: (2)

Send a message via MSN to SlammedR8
Rogue Engineering Pulleys - Warranty Issues??

Just ordered the Power Pulleys from Rogue Engineering.

Just wondering, do you guys think it would affect the warranty in any way? engine wise?
__________________
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield
Appreciate 0
      07-03-2008, 12:57 PM   #2
Patricius
Lieutenant
United_States
6
Rep
532
Posts

 
Drives: 04 325xi, 05 M3 cpe, 08 M3 cpe
Join Date: Feb 2008
Location: Philadelphia, PA

iTrader: (0)

I'm not sure what they are underdriving with their e92 pulley set. The risk you run is that if anything fails as a result of underdriving certain components fails and/or in conjunction causes other failures or malfunctions, they could void your warranty. Historically I can't recall any issues at least w/ the e46 as long as you didn't underdrive the alternator.
Appreciate 0
      07-03-2008, 01:31 PM   #3
SlammedR8
Brigadier General
SlammedR8's Avatar
Canada
118
Rep
4,937
Posts

 
Drives: 2010 Audi R8 V10 +2013 Audi S4
Join Date: Jul 2007
Location: Toronto

iTrader: (2)

Send a message via MSN to SlammedR8
Quote:
Originally Posted by Patricius View Post
I'm not sure what they are underdriving with their e92 pulley set. The risk you run is that if anything fails as a result of underdriving certain components fails and/or in conjunction causes other failures or malfunctions, they could void your warranty. Historically I can't recall any issues at least w/ the e46 as long as you didn't underdrive the alternator.
Sorry, can you explain what you mean by underdrive?
__________________
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield
Appreciate 0
      07-03-2008, 01:39 PM   #4
Patricius
Lieutenant
United_States
6
Rep
532
Posts

 
Drives: 04 325xi, 05 M3 cpe, 08 M3 cpe
Join Date: Feb 2008
Location: Philadelphia, PA

iTrader: (0)

When you put pulleys in a car, you retain more engine power by "underdriving" certain components. Therefore, you reduce parasitic drag on the engine which results in higher HP output.

I can't explain it well enough to be worth my time to type. Here's a link:

http://www.marchperf.com/underdrive2.html
Appreciate 0
      07-03-2008, 01:52 PM   #5
SlammedR8
Brigadier General
SlammedR8's Avatar
Canada
118
Rep
4,937
Posts

 
Drives: 2010 Audi R8 V10 +2013 Audi S4
Join Date: Jul 2007
Location: Toronto

iTrader: (2)

Send a message via MSN to SlammedR8
Quote:
Originally Posted by Patricius View Post
When you put pulleys in a car, you retain more engine power by "underdriving" certain components. Therefore, you reduce parasitic drag on the engine which results in higher HP output.

I can't explain it well enough to be worth my time to type. Here's a link:

http://www.marchperf.com/underdrive2.html
I assumed thats what you meant, but I asked Rogue and they said there is no negative drawback.

Its a different size pulley
__________________
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield
Appreciate 0
      07-03-2008, 02:42 PM   #6
J08M3
Major General
J08M3's Avatar
United_States
102
Rep
6,012
Posts

 
Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

iTrader: (8)

underdrive isn't always good unless you run at a high RPM. I wouldn't want it driving on the street for risk of alternator, water pump, spinning too slow causing problems at low RPMs
__________________
Appreciate 0
      07-03-2008, 06:29 PM   #7
Patricius
Lieutenant
United_States
6
Rep
532
Posts

 
Drives: 04 325xi, 05 M3 cpe, 08 M3 cpe
Join Date: Feb 2008
Location: Philadelphia, PA

iTrader: (0)

Quote:
Originally Posted by slammedm3 View Post
I assumed thats what you meant, but I asked Rogue and they said there is no negative drawback.

Its a different size pulley
I don't doubt that they are a very credible shop, but do you think they would tell you anything otherwise?
Appreciate 0
      07-14-2008, 03:02 PM   #8
CatchM3
Major
CatchM3's Avatar
United_States
37
Rep
1,199
Posts

 
Drives: 2015 F80 M3 Mineral Grey
Join Date: Jun 2008
Location: Boca Raton

iTrader: (1)

Garage List
2008 E90 M3  [4.50]
so how was the outcome of the pulleys? Can you please post some feedback?
__________________
2015 MG M3 // Blck Ext Merino Leather // Driver Assistance Plus // Exec Package // Lighting Package // M Double Clutch // Adaptive M Suspension // 19" Blck Wheel 437 M Mix Tire // CF interior trim // Navi system // Harman Kardon surround system // Full IND ext cosmetic pckge Gloss Black // BMW CF perform trunk spoiler // 35% window tint // 15mm Macht Schnell // Powder coated Gloss Black Exhaust Tips //
Appreciate 0
      07-16-2008, 07:39 AM   #9
CatchM3
Major
CatchM3's Avatar
United_States
37
Rep
1,199
Posts

 
Drives: 2015 F80 M3 Mineral Grey
Join Date: Jun 2008
Location: Boca Raton

iTrader: (1)

Garage List
2008 E90 M3  [4.50]
Really? No feedback? They must not do the job.
__________________
2015 MG M3 // Blck Ext Merino Leather // Driver Assistance Plus // Exec Package // Lighting Package // M Double Clutch // Adaptive M Suspension // 19" Blck Wheel 437 M Mix Tire // CF interior trim // Navi system // Harman Kardon surround system // Full IND ext cosmetic pckge Gloss Black // BMW CF perform trunk spoiler // 35% window tint // 15mm Macht Schnell // Powder coated Gloss Black Exhaust Tips //
Appreciate 0
      07-16-2008, 09:01 AM   #10
SlammedR8
Brigadier General
SlammedR8's Avatar
Canada
118
Rep
4,937
Posts

 
Drives: 2010 Audi R8 V10 +2013 Audi S4
Join Date: Jul 2007
Location: Toronto

iTrader: (2)

Send a message via MSN to SlammedR8
Sorry, been real busy!

These pulleys are great, YOU DEFINITELY FEEL THE POWER DIFFERENCE!
I would recommend it to anyone looking for a little extra power, especially considering its rather low cost!

__________________
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield
Appreciate 0
      07-16-2008, 09:36 AM   #11
gadget
Major
gadget's Avatar
United_States
31
Rep
1,162
Posts

 
Drives: 09 e92///M SSII DCT
Join Date: Nov 2007
Location: US

iTrader: (0)

Quote:
Originally Posted by slammedm3 View Post
Sorry, been real busy!

These pulleys are great, YOU DEFINITELY FEEL THE POWER DIFFERENCE!
I would recommend it to anyone looking for a little extra power, especially considering its rather low cost!


Its only low cost if it doesn't damage your car. If you have an issue and the dealer realizes you made this mod, they will void the warranty and you will be stuck with a huge repair bill. Not worth the risk IMHO.
Appreciate 0
      07-16-2008, 02:11 PM   #12
JEllis
Brigadier General
JEllis's Avatar
84
Rep
4,781
Posts

 
Drives: E36 M3, E92 M3
Join Date: Oct 2006
Location: SD CA/Yuma

iTrader: (4)

The concern with pulleys is the balance of the engine.... The stock pulleys are all specifically balanced to work with all the moving parts in the engine that drive them. If you buy an aftermarket pulley set and somehow upset this balance then you could cause some serious damage to the engine. However, pulley mods have been around for a long time and there are not too many horror stories. However, if something does go wrong with your engine the dealer could use the pulley mods as an excuse as to why the problem occured and decide they dont have to perform the warrenty work...

Jason
__________________
http://www.m3post.com/forums/signaturepics/sigpic14547_7.gif
Appreciate 0
      07-16-2008, 05:42 PM   #13
GT3 Tim
Moderator
GT3 Tim's Avatar
United_States
30
Rep
1,897
Posts

 
Drives: 2008 E90 M3
Join Date: Feb 2008
Location: Sacramento, CA

iTrader: (0)

Quote:
Originally Posted by JEllis View Post
The concern with pulleys is the balance of the engine.... The stock pulleys are all specifically balanced to work with all the moving parts in the engine that drive them. If you buy an aftermarket pulley set and somehow upset this balance then you could cause some serious damage to the engine. However, pulley mods have been around for a long time and there are not too many horror stories. However, if something does go wrong with your engine the dealer could use the pulley mods as an excuse as to why the problem occured and decide they dont have to perform the warrenty work...

Jason
Yeah, a few crank main bearing failures were attributed to cars that replaced the crank pully and that REMOVED the vibration dampner/harmonic balance. I THOUGHT I read that the Rogue pullies kept the stock dampner in place...so it should be a non-issue.

As for warranty issues....if you have some sort of internal damage, my money would be that they would blame it on the pully replacement. For myself, i would not take it in for service with an aftermarket pully on it. Not worth it IMHO, as if you have a future issue, they can go back in the records and see you had an aftermarket pully on it. Personally, I won't chance it, YMMV.
__________________
Tim (apparently likes "3" cars)
E90 M3 -- Current ride
2004 GT3 -- Sold
1997 M3/4 -- Sold
1995 M3 -- Sold
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 12:12 AM.




m3post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST