Driving a 330i with ZHP in the rain - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 08-24-2004, 03:53 PM
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I live in the Seattle are and I am serious thinking about getting a new 330i with ZHP. The dealer took me to a really windy road which allowed to truly see what this baby could do . Even though the traction control was engaging, the back was stepping out quite a bit (what fun) . Those of you who own 330is with the ZHP, what is like driving this car in the rain? Does the back step put a lot? What about aquaplaning?
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#2 (permalink) Old 08-24-2004, 05:49 PM
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Quote:
Originally posted by XTREME@Aug 24 2004, 04:33 PM
I live in the Seattle are and I am serious thinking about getting a new 330i with ZHP. The dealer took me to a really windy road which allowed to truly see what this baby could do . Even though the traction control was engaging, the back was stepping out quite a bit (what fun) . Those of you who own 330is with the ZHP, what is like driving this car in the rain? Does the back step put a lot? What about aquaplaning?
1st off I don't have a 330 ZHP, I have a 325, but I do live in Seattle.

The car handles great in the rain, especially coming from an Integra. That car had no weight and was downright scary on our crappy highways where the grooves fill with standing water. The 3 is heavy enough that it doesn't hydroplane - it just hunkers down and bombs through all the water!

As for the back end kicking out, it's damn easy to do when the roads are wet, especially if you give it some gas going around a corner. Just make sure you keep the DSC on, unless you really know what your doing. Turning that off can spell disaster - that's usually what happens when you see posts where somebody wrapped their car around a tree. With that said, even with the DSC on, you can still kick the back end out, you just have to try a little harder :wink
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#3 (permalink) Old 08-24-2004, 05:57 PM
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I have put 2500 miles on a 330Ci with ZHP, driving in the remnants of tropical storms and hurricanes back-to-back here in VA.

I have not hydroplaned with the vehicle (or almost so), so I can't really tell you how it does when hydroplaning. Come to think of it, hydroplaning is like sliding on ice: once you get going, you are just along for the ride. I ytend to avoid conditions where I will possibly hydroplane.

Visibility is great in the rain, the automatic rain-sensing wipers are better than I thought they would be. Handling seems great. Comparing this to an Acura RSX-S and a full-sized pickup, I would say the rain/water handling is much better than either.

Bad part: the rear bumper gets a lot of spray from the tires. In other words, your beautiful car will get dirty.
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#4 (permalink) Old 08-24-2004, 06:16 PM
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Originally posted by jefft325i+Aug 24 2004, 06:29 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (jefft325i @ Aug 24 2004, 06:29 PM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin-XTREME@Aug 24 2004, 04:33 PM
I live in the Seattle are and I am serious thinking about getting a new 330i with ZHP. The dealer took me to a really windy road which allowed to truly see what this baby could do . Even though the traction control was engaging, the back was stepping out quite a bit (what fun) . Those of you who own 330is with the ZHP, what is like driving this car in the rain? Does the back step put a lot? What about aquaplaning?
1st off I don't have a 330 ZHP, I have a 325, but I do live in Seattle.

The car handles great in the rain, especially coming from an Integra. That car had no weight and was downright scary on our crappy highways where the grooves fill with standing water. The 3 is heavy enough that it doesn't hydroplane - it just hunkers down and bombs through all the water!

As for the back end kicking out, it's damn easy to do when the roads are wet, especially if you give it some gas going around a corner. Just make sure you keep the DSC on, unless you really know what your doing. Turning that off can spell disaster - that's usually what happens when you see posts where somebody wrapped their car around a tree. With that said, even with the DSC on, you can still kick the back end out, you just have to try a little harder :wink[/b][/quote]
Thanks guys. I find my Jetta is all over the road when the water sits in the grooves on the highway. The Audi a6 (don’t have it anymore after it was rear ended) would just hunker down and was almost the same in the dry as it was in the wet.

WRT the 330i with ZHP, I was surprised how easy it was to kick the back end out on dry pavement even with the DSC on. On a tight right hander, I was able to almost pivot on the right front wheel (WOW – never done that before).

Anywhoo, I think you answered my question. In the rain, ride a bit more conservatively and the car will handle just fine. Get stupid with the accelerator and you may end up in a ditch. Sounds like the car for me
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#5 (permalink) Old 08-24-2004, 09:45 PM
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i have a 330 and have not had a problem in the rain, it doenst rain alot where i lived, i just slowed down a little in the rain, still technically speeding. B)
the people in southern california just don't know how to drive in the rain.
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#6 (permalink) Old 08-25-2004, 01:56 AM
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One quick thing though! the tires! They are the most important part of hydroplaning. So if you have sports package with low profile tires that are nto made for the rain you will be in for a surprise!

I hydroplaned on a residential street one day after the rain while checking a 760li out with a DINAN package on it with 325i and the dealer took me in for 2-3 hours and explained exactly why that happened and gave me a discount voucher for different tires. I ditched the voucher and went and spent 1000 bucks on Pilot PS2's, they are the best I have ever seen. In cornering, handling, looks and water traction. Although I have nto tried the water traction, their structure looks good for it and many who have tried it have posted great reviews.

So it comes down to equipping the car in a way that it does not hydroplane.

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#7 (permalink) Old 08-25-2004, 07:19 AM
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ZHP comes with either michelins pilot sports, or bridgestone potenzas re040.

ask for michelins. far superior to what i experienced with re040 (on my car), which are not terrible, but definitely not the best.

the car will still twitch the rear, but as a superior driver you will learn to accomodate.
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#8 (permalink) Old 08-25-2004, 10:37 AM
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I found my 330 ZHP to drive amazingly well in the rain. Picked it up in Munich mid-July and put 1700 miles on it in Europe (still waiting re-delivery...soon soon...) - had several days of wet driving - in the alps on smal little mountain roads - and it stuck great and I could drive normally (somewhat aggressive...as much as can be done with a wife & 2 kids in the car and a trunk full of luggage) and I had it up to about 115 MPH in the rain on the Autobahn (managed to top out at 125 - but only in dry...could have gone faster - but see previous commenrt about wife & kids). Anyway it drove very well in the wet - both at high speeds and in the twisties - suprisingly well ....(have the Pilot Sports). I still feel that I could push (significantly) harder in my Audi - with Quattro (which handles practically as well in wet as in the dry...) - but for RWD & summer performance tires I must say I was quite impressed...no worries...

<span style='color:gray'>Current rides:</span>
<span style='color:red'>2004 BMW 330i Sedan - Performance Package - Imola red - Alcantara, moonroof, cold weather, Bi-Xenons, silver cube trim</span>
<span style='color:blue'>2001 Audi S4 Avant - Nogaro Blue with Alcantara seating - APR chipped, lowered and otherwise modded</span>
<span style='colorurple'>1964 1/2 Mustang Convertable - Vintage Burgundy - 289 4 barrel V8 - 51K original miles - unrestored &amp; near mint</span>
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