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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > 330i ZSP Owners w/AATune- would you buy again?



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      12-12-2012, 04:45 PM   #23
3002 tii
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Cmon! I need to find out who wins this argument so I know if I should get a LSD or not!

I'm having a problem right now though, I asked the guy at advance auto where I could get LSD and he told me his cousin...but it turns out his cousin had something else that didn't go in my car.

To each his own, but seriously I would sell my car and get an e46 m3 if I wanted limited slip. I just don't drive hard enough to need it.

OTOH better throttle response and a little more torque when pulling out/merging would be very handy, hence the questions about the Tune.
Thanks for the replies all.
Get the tune, it's not very expensive - just don't expect miracles.

Skip the LSD, unless your car sees a lot of snow, I don't think it's worth it for everyday driving.

Best bang for the buck mod however would be gears. I say that every time in the n52 tuning section. Torque multiplier is way more beneficial than any bolt-on mod and it'll be even better in daily driving.
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      12-12-2012, 07:14 PM   #24
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Get the tune, it's not very expensive - just don't expect miracles.

Skip the LSD, unless your car sees a lot of snow, I don't think it's worth it for everyday driving.

Best bang for the buck mod however would be gears. I say that every time in the n52 tuning section. Torque multiplier is way more beneficial than any bolt-on mod and it'll be even better in daily driving.
Yeah, I was actually kidding about the LSD, I was trying to make it sound like the cousin had the DRUG LSD, guess thats why I don't write for Big Bang Theory.

I'm not even really looking for more "speed" but more responsiveness, if that makes sense. Easier to pull out, and a less laggy throttle to make it easier to shift smoothly and rev-match.
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      12-12-2012, 07:30 PM   #25
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Yeah, I was actually kidding about the LSD, I was trying to make it sound like the cousin had the DRUG LSD, guess thats why I don't write for Big Bang Theory.

I'm not even really looking for more "speed" but more responsiveness, if that makes sense. Easier to pull out, and a less laggy throttle to make it easier to shift smoothly and rev-match.
Smooth shifts and rev match will come with practice. Have you done that cdv mod / delete? That, trans mounts and a ssk will help with any shifting related issues.

If you want more low end response, or more "usable" power while sacrificing top end you should seriously consider gearing.
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      12-12-2012, 08:06 PM   #26
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Yeah I have CDV delete, and honestly I've gotten very comfortable in my e90- until I drive my e36 for a day or two then I'm back to less-than-smooth 1-2 shifts next time I'm in my e90.
Rev matching is much easier in the old car- the pedals are closer together.
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      12-12-2012, 08:08 PM   #27
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Is there an easy way to change the gearing without changing tire size or get an LSD?
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      12-12-2012, 11:01 PM   #28
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Yeah I have CDV delete, and honestly I've gotten very comfortable in my e90- until I drive my e36 for a day or two then I'm back to less-than-smooth 1-2 shifts next time I'm in my e90.
Rev matching is much easier in the old car- the pedals are closer together.
You should consider getting aftermarket pedals with the extension. Another thing I forgot to ask is the clutch stop... have you switched over to something shorter?

I know what you're talking about the 1-2 jerkiness... I find that letting the clutch out slower helps a lot, guess it comes down to timing...


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Is there an easy way to change the gearing without changing tire size or get an LSD?
Gearing and tires are totally different. And yes, you can change the gears without getting a LSD.
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      12-13-2012, 01:10 AM   #29
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And yes, you can change the gears without getting a LSD.
Where can we find more info on this?
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      12-13-2012, 05:38 AM   #30
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You should consider getting aftermarket pedals with the extension. Another thing I forgot to ask is the clutch stop... have you switched over to something shorter?
Sure did add a stop, and it definitely helped. I'll have to look into pedals. I actually wondered if there was a cover for the clutch pedal that would widen it, or just shift it over to the right.
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      12-13-2012, 06:16 AM   #31
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lol wow did that guy really say all that about an LSD? I have a OS Giken on my race car and I can't tell if its there driving to events.
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      12-13-2012, 07:27 AM   #32
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I would like to know more about gearing as well. That will most likely be my next mod.
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      12-13-2012, 07:40 AM   #33
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Originally Posted by thecadman99 View Post
Sure did add a stop, and it definitely helped. I'll have to look into pedals. I actually wondered if there was a cover for the clutch pedal that would widen it, or just shift it over to the right.
Check Ultimate Pedals. This is what I have, not Ultimate but notice the extension on gas pedal. This allows me to h/t without having to twist my ankle




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lol wow did that guy really say all that about an LSD? I have a OS Giken on my race car and I can't tell if its there driving to events.
Welcome to e90post, a forum for "enthusiasts"
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      12-13-2012, 07:44 AM   #34
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Where can we find more info on this?
Quote:
Originally Posted by SavvyByNature View Post
I would like to know more about gearing as well. That will most likely be my next mod.

Talk to Brett at KMS, he did my Quaife. At the time, I wanted to change my 3.46 to a 3.73 (didn't think a 3.64 was worth it) but unfortunately 3.73 is pretty hard to find. Brett also has some good info on his site:

http://www.koalamotorsport.com/perfo...nal_drives.asp

And for #'s on your stock gearing, check here:

http://www.bokchoys.com/differential/GearRatios.htm


And fwiw, anything above 10% in gearing will give u a kick in the pants feel, not necessarily bad but it'll be noticeable and some folks love it. 5-7% is more mild, could feel like it was oem and still nice upgrade nonetheless.
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Last edited by 3002 tii; 12-13-2012 at 08:30 AM.
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      12-13-2012, 10:10 AM   #35
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Check Ultimate Pedals. This is what I have, not Ultimate but notice the extension on gas pedal. This allows me to h/t without having to twist my ankle


That is a sweet setup!
I usually try to wear "flexy" bottom shoes when driving my e90 just to help with heel toe.
This looks like it would help a lot.
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      12-13-2012, 12:56 PM   #36
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You need a bigger foot! lol
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      12-15-2012, 11:32 AM   #37
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You need a bigger foot! lol
\
Yeah really.

Actually after I've looked at the pedal, I've about come to the conclusion that if I had about 1/4"-3/8" THICKER pad on the gas pedal, it would be better than a pedal with an extension to the left.

I think the problem is the gas pedal sits so much further behind the brake pedal.
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      12-15-2012, 01:47 PM   #38
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I can rev match easily with the side of my foot on this car... haven't needed to get on the brakes that hard to use HT.
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      12-17-2012, 11:47 AM   #39
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...Best example I can think of is accelerating from a dead stop into traffic making a right or a left. The standard open diff will take the least path of resistance and send all the power to the wheel with the least grip. Then the nannies kick in and put the brakes on the spinning tire to get some power to go to the side with the weight on it.
By "nannies" I'm assuming you means DSC. Even if you have an LSD equipped, the DSC will activated to apply the brakes and cut power before you can obtain any benefits from the LSD. Unless you have your DSC off and are pushing your car beyond its level of tire grip during cornering, which you shouldn't be doing in public roads, you won't see any difference with LSD vs a car with no LSD.
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