10-16-2013, 01:21 PM | #1 |
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M135i tuning problems
Hello Guys, First thread i made, second post.
Firstly i know a lot of you will think your 19... why you asking.. well i have currently started saving up for a m135i will be able to get one when i am 21. Been reading up a lot on them and had a question. When i get one i wanted a Sportec cat back exhaust and a JB4 map. The auto gearbox(my preference) is rated to 450nm of torque max, the car standard has 450nm of torque, but has max of around 1000nm i heard when changing from 1200 rpm in 8th to near redline in 2nd, All the maps are chucking out an extra 40-50 HP so obviously the torque has been increased, how is this affecting the auto gearbox(if anyone has an auto with a map) i know under extreme conditions the ECU monitors the temp of the gearbox and reduces torque accordingly. Want to know what effect this will have on the lifetime of the gearbox or clutch? Ryan
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10-17-2013, 01:21 AM | #2 |
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Hey Ryan.
If you can save up to an M135i, there are other options out there that may suit your need. For example, tuning/look/drive/whatever. If you must have a BMW, then that's alright too. BMW parts are expensive, that's definitely one of my concerns, but just fyi. Other than the possibility of your voiding warranty, lifetime for your parts are shortened. There is more wear, gearbox has their own torque ratings, so I wouldn't do anything too aggressive. I personally recommend leaving these heavily computerized cars along. Mine is fully stock 'cause I think I got enough power already. For my case Kart driving and track driving definitely improved my driving somewhat, and that improves the speed of the car overall. Just my 2 cents. |
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10-17-2013, 02:59 AM | #3 | |
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But just wanted to know if anyone with auto and a map had had any problems. Ryan |
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10-17-2013, 03:18 AM | #4 |
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I didn't quite understand that bit. Where is that torque of 1000 Nm? And why?
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10-17-2013, 03:32 AM | #5 |
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Hi,
Currently using Hartge. No issue. If u search hard enough, there are 130i with more power than our M135. Their gearbox can handle with no issue. ZF GB is good and hard to break. There are M135 going at stage 2. Cheera |
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10-17-2013, 03:41 AM | #6 |
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Hi,
Again using Hartge but also with the M Performance Exhaust and a Quaife diff, no real problems with torque or traction to report. Rolling Road results say I have around 550 Nm to play with and the mechanical diff has unlocked a lot more potential around corners making the drive a lot more fun. Driving harder exposes the body roll more though, so anti-sway bars will be next.
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325i (E30) => Alpina B3.33 (E46) => Alpina B3s (E46) => 130i M Sport (E87) => Cayman S (987c) => Carrera S (997) => M135i (F21) |
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10-17-2013, 03:53 AM | #7 |
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10-17-2013, 03:56 AM | #8 | |
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10-17-2013, 03:57 AM | #9 | |
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Just i thought its not like bmw to fit something that is on its limit as standard. |
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10-17-2013, 09:14 AM | #10 |
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All 3 done seperately. Hartge and Quaife installed by Birds. Exhaust by my main dealer. No remap required just for the exhaust, just a few more hp and a louder sound.
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325i (E30) => Alpina B3.33 (E46) => Alpina B3s (E46) => 130i M Sport (E87) => Cayman S (987c) => Carrera S (997) => M135i (F21) |
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10-18-2013, 10:49 AM | #11 |
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Hey Ryan
Not to rain on your parade, but have you priced insurance for an M135i yet?. Hopefully you currently have insurance in your own name and the beginnings of a no claims bonus.
Most insurance companies I know wouldn't touch a 21 year old with a standard M135i, let alone a modded version. Also a modified exhaust is a sure fire way to get pulled over..... |
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10-18-2013, 10:58 AM | #12 | |
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10-21-2013, 05:36 AM | #13 | |
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Lets hope no accidents! |
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