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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 05-08-2008, 09:22 AM
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09krolt 09krolt is offline
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330ci vs. 330ci ZHP: can you feel the difference

Just wondering if you can feel the difference in a ZHP car than a car that has a sport package on it, because think I am going with the 04 330ci ZHP. The ZHP looks so more more attractive and wondering can you feel the difference in performace and handling than the sport package. I have not test drove the ZHP but have test drove the 330ci with the sport package

Any response helps, Thanks
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  #2  
Old 05-08-2008, 09:29 AM
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yes, you will feel quite a bit of a difference between the ZSP and a ZHP...
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  #3  
Old 05-08-2008, 09:30 AM
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Quote:
Originally Posted by cngzsn View Post
yes, you will feel quite a bit of a difference between the ZSP and a ZHP...
What he said.
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  #4  
Old 05-08-2008, 09:32 AM
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v33_n0d3 v33_n0d3 is offline
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ZHP will feel faster, due to higher gearing with a 6-speed, corner better/ride harsher due to a firmer suspension and last but not least, it will turn quicker due to the upgraded steering rack. The biggest difference is definitely the steering response.
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  #5  
Old 05-08-2008, 09:34 AM
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Cool i can not wait till I get it
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  #6  
Old 05-08-2008, 09:38 AM
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  #7  
Old 05-08-2008, 09:40 AM
dmilam dmilam is offline
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Originally Posted by v33_n0d3 View Post
ZHP will feel faster, due to higher gearing with a 6-speed, corner better/ride harsher due to a firmer suspension and last but not least, it will turn quicker due to the upgraded steering rack. The biggest difference is definitely the steering response.
I don't think there is a difference in the steering rack for the ZHP. According to the wiki, that's only in the ZCP (Competition package) for the M3.

*edit* I've been shown the error of my ways. Please disregard this post.

Last edited by dmilam; 05-08-2008 at 10:04 AM.
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  #8  
Old 05-08-2008, 09:41 AM
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Originally Posted by dmilam View Post
I don't think there is a difference in the steering rack for the ZHP. According to the wiki, that's only in the ZCP (Competition package) for the M3.
Wrong....The ZHP has quicker steering than the M3....
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  #9  
Old 05-08-2008, 09:59 AM
dmilam dmilam is offline
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Originally Posted by Fast Bob View Post
Wrong....The ZHP has quicker steering than the M3....
Cool!
I see the ratio is 13.7:1 versus 15.4:1 for the rest. The ZCP is 14.5:1

My next question. What does that mean? 13.7 whats to 1 what?
13.7 teeth to 1 steering wheel revolution?

Ahh, a quick check of howstuffworks.com gives the answer.

The steering ratio is the ratio of how far you turn the steering wheel to how far the wheels turn. For instance, if one complete revolution (360 degrees) of the steering wheel results in the wheels of the car turning 20 degrees, then the steering ratio is 360 divided by 20, or 18:1. A higher ratio means that you have to turn the steering wheel more to get the wheels to turn a given distance. However, less effort is required because of the higher gear ratio.

So on the ZHP, for one steering wheel revolution, the wheels are turned 26.27° versus 23.37° on the others. Nice


*edit* I've updated the E46 wiki to reflect this.

Last edited by dmilam; 05-08-2008 at 10:04 AM.
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  #10  
Old 05-08-2008, 10:00 AM
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Quote:
Originally Posted by Fast Bob View Post
Wrong....The ZHP has quicker steering than the M3....
Right! It's the best rack in any E46, ever! Discuss...

Mr. Airbags???
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  #11  
Old 05-08-2008, 10:01 AM
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Quote:
Originally Posted by dmilam View Post
I don't think there is a difference in the steering rack for the ZHP. According to the wiki, that's only in the ZCP (Competition package) for the M3.
It doesn't matter what you think when it is the reality
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  #12  
Old 05-08-2008, 10:13 AM
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Quote:
Originally Posted by dmilam View Post
Cool!
I see the ratio is 13.7:1 versus 15.4:1 for the rest. The ZCP is 14.5:1

My next question. What does that mean? 13.7 whats to 1 what?
13.7 teeth to 1 steering wheel revolution?

Ahh, a quick check of howstuffworks.com gives the answer.

The steering ratio is the ratio of how far you turn the steering wheel to how far the wheels turn. For instance, if one complete revolution (360 degrees) of the steering wheel results in the wheels of the car turning 20 degrees, then the steering ratio is 360 divided by 20, or 18:1. A higher ratio means that you have to turn the steering wheel more to get the wheels to turn a given distance. However, less effort is required because of the higher gear ratio.

So on the ZHP, for one steering wheel revolution, the wheels are turned 26.27° versus 23.37° on the others. Nice


*edit* I've updated the E46 wiki to reflect this.
Basically what it means is that say your garden-variety E46 needs 3 full turns (I`m just using that as an arbitrary figure) of the steering wheel (lock to lock), the ZHP only needs 2 1/2 turns.

Regards,
Bob
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  #13  
Old 05-08-2008, 02:50 PM
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I've had both. The ZHP is faster and quicker.
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  #14  
Old 05-08-2008, 04:10 PM
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Quote:
Originally Posted by dmilam View Post
I don't think there is a difference in the steering rack for the ZHP. According to the wiki, that's only in the ZCP (Competition package) for the M3.

*edit* I've been shown the error of my ways. Please disregard this post.
Shorter steering rack. 13.7:1 versus 15.4:1 per Wiki ZHP package.
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  #15  
Old 05-08-2008, 05:38 PM
ktc ktc is offline
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Just turn on the ignition and listen to the sound. You wouldn't walk away from the ZHP.
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  #16  
Old 05-08-2008, 05:43 PM
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Welcome.

In 20003 I went through multiple test drives of 325i, 328i (used), 330i auto and 330i with the performance package.

I think there is a "sum of the parts" thing going on with the performance package that makes it an extremely satisfying driver's car.

I describe it as "like a big Mini" (I have a 1967 Austin Cooper S Mk I - 10" wheels, disk brakes, twin SUs and a whopping 76 HP - yet I can routinely out-handle just about anything around a short curvy track )

The steering is a little tighter, it has a little more juice (10 HP), the diff is a little shorter, and the suspension is a little lower.

I also happen to think the enormous heavy wheels detract from this, quite frankly they were in my humble opinion chosen simply on marquee value; but they do fill the arches very nicely.

I like mine, quite a lot, just as much today as when I drove it off the lot with 7 delivery miles on it.
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  #17  
Old 05-08-2008, 06:10 PM
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Quote:
Originally Posted by wingspan View Post
I also happen to think the enormous heavy wheels detract from this, quite frankly they were in my humble opinion chosen simply on marquee value; but they do fill the arches very nicely.

I like mine, quite a lot, just as much today as when I drove it off the lot with 7 delivery miles on it.
I'm with you on both counts. The stock wheels are heavy and the staggered setup isn't ideal either. I swapped them out for non-staggered, lighter weight combo, much better.

I'm buying mine off lease in two days. It's the first leased car I've had that I even considered buying. It has a hold on me and I'm sure I'll have it for a very long time!
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  #18  
Old 05-08-2008, 06:20 PM
Roman-O Roman-O is offline
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How much would it cost to upgrade to zhp ?

Last edited by Roman-O; 05-08-2008 at 06:22 PM.
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  #19  
Old 05-08-2008, 06:30 PM
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Originally Posted by Roman-O View Post
How much would it cost to upgrade to zhp ?
you mean to buy all the parts and put them on?
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  #20  
Old 05-08-2008, 07:08 PM
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Originally Posted by Roman-O View Post
How much would it cost to upgrade to zhp ?
Well....from the factory, ZHP was a $3900 option....I doubt that you could even come close to that figure if you had to buy all the parts & DIY it....

Regards,
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  #21  
Old 05-08-2008, 09:06 PM
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The ZHP is the ultimate E46. M3 is much faster, but also a rougher ride. More of a frantic ride. The ZHP is a great car for road and track. An excellent combination of ability and comfort.

You definitely will feel the difference and enjoy the car! I was just telling the wife tonite. This car goes when I ask it to. Stops when I tell it to and goes where it's pointed.

Oh, and did I mention it's Imola Red?

Johnny
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  #22  
Old 05-08-2008, 09:40 PM
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Three pedal ZHP
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  #23  
Old 05-09-2008, 04:39 AM
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Quote:
Originally Posted by Maximus57 View Post
Shorter steering rack. 13.7:1 versus 15.4:1 per Wiki ZHP package.
I see it mentioned in the wiki, but this is the first I've heard of it. None of the literature of the day mentioned a different rack, and realoem only lists one part number. Is there a different spot to confirm this? I'd consider swapping out my rack some day for a quicker steering.
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  #24  
Old 05-10-2008, 09:50 PM
Dunbar42 Dunbar42 is offline
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Quote:
Originally Posted by cwsqbm View Post
I see it mentioned in the wiki, but this is the first I've heard of it. None of the literature of the day mentioned a different rack, and realoem only lists one part number. Is there a different spot to confirm this? I'd consider swapping out my rack some day for a quicker steering.
Go test drive a ZHP, you'll feel the difference immediately. The steering effort is much higher (less mechanical advantage.) You can also make a U-turn without removing your hands from the steering wheel
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  #25  
Old 05-10-2008, 10:49 PM
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Quote:
Originally Posted by Dunbar42 View Post
Go test drive a ZHP, you'll feel the difference immediately. The steering effort is much higher (less mechanical advantage.) You can also make a U-turn without removing your hands from the steering wheel
you can make a U-TURN with your hands off the steering wheel? Are you a Jedi Knight? ..... *heavy breathing sound* "Luke, I am your father"
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