I wasn't trying to imply that using DOT4 would cause DSC or ABS malfunctions, just that these systems might not be as effective as they should be.
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Most experiences aren't particularly in depth. Most people just find the brakes still work and ABS kicks on, and assume it's fine (not saying that's the extent of your experience specifically).
I personally found ice braking to be less effective when I was running superblue. I haven't really tested DSC (and am not be sure how to do so objectively)
To be fair, braking on ice (or any surface for that matter) is affected by a number of things. The tires you run (the amount on tread and type of tread on winter tires plays a BIG part of grip in snowy conditions), the brake pads you use (grabbiness affects how the driver applies the brakes), and the amount of driver skill even plays into braking effectiveness.
I didn't know we were disagreeing. There's a good chance it doesn't make any difference and the fact that they spec it for cars doesn't have anything to do with the DSC ABS system. All we can do is speculate, but ultimately it comes down to:
Potential negative effect on ABS / DSC system <vs> benefits of higher boiling point fluids / convenience of purchasing regular DOT4
Most people agree that for a car that never sees track time the benefits of "racing" fluids or just ones with higher boiling point is dubious at best so FOR ME this was an easy choice and I just oreder Pentosin DOT4LV from Amazon.
Any idea what this is? I unscrewed the cap. Looks like a slightly larger tire air valve.
Attachment 19757
Yup, low pressure AC valve I believe. It's what I used to charge my AC system a few weeks ago.
Oh spiffy.
Is that simple to do?
Check the last pic on this CL ad. It appears this 2001 330i has red needles. Do you think they upgraded to a ZHP cluster at some point ?
http://sanantonio.craigslist.org/cto/5026050146.html
Damn is that thing even worth $1000?
Thanks, man. In addition, I just noticed the 2001 330i has up to 6000 RPM. We know the ZHP has up to 6800 RPM.
Wow really? Odd. Both m52 and m54 have 6500 rpm redline I thought
Ignore this post
Is there a part number for the individual buttons on window switches? Or can you only buy them as a unit with the window switch itself? One of my window switches is scuffed and peeled around the window icon and I'd like to replace it but only if I don't have to do the whole window switch itself.
They do come apart easily though so even a broken one (electrically) would get you what you need.
Between S04 Pole Position and the Continental DW which tires would you guys recommend? I do not track the car but enjoy some spirited driving... Also I noticed that these 2 tires do not come with a tread life warranty like Michelin PSS does...Is this something to be concerned about?
Both are nice. I've ran DW a few times and always like them.
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No experience with S-04's, but replaced PSS's with DW's recently, and I LOVE them. They are 2 lbs lighter than the PSS's and I could feel it immediately. Slightly less-jarring sidewalls than the PSS's, yet still stick and handle like stink. Will probably put them on my Z4M when its PSS's are shot.
DW for sure. They came with my ZHP, so I can't really compare to S04.
When I had my ZHP I had S04's and changed them to DW's. Personally, I prefer the DW's. The DW's had better grip and were quieter. I also preferred the stiffness of the sidewall on the DW's.
Hi, SoarinZHP. Do you remember when you got the last set of DW ? I wonder how many miles can you get out of them.
Thanks guys!
But is the lack of tread life warranty on both S04 and DW an issue? The PSS seem to have 6year/30,000 mile warranty but the other 2 do not have it...
Warranties never did it for me. Never sold me or strayed me away from tires at least. Expect they all have very good tread wear rating. If you run em hard they'll burn up faster. When they go, evaluate and reconsider or buy again.
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The warranty is a good indicator how long the tires will last. I'm a big fan of Michelin (currently on my e90, Mini, and Saab). If I needed to buy 4 tires today for the ZHP, that would be Michelin. Since I need to buy only 2 rear ones, then I plan to buy Conti DW so the 4 match.
My random question of the day:
If I replace my sway bar end links, do I need to get an alignment?
Treadwear warranties are a tricky thing to comprehend. The warranty only covers defects in the manufacturing. If the treadwear warranty is 30k and the tires wear out at 25k, they probably won't offer muck to you in terms of warranty since that is still considered normal wear.
BTW, the PSS 30k warranty is ONLY if you run a square setup. Staggered setups are half that, 15k.
You rarely need to worry about tire warranty, but do not take the warranty as an indicator of how long they will last as that is false hope. How long they last entirely depends on your suspension setup, whether you run square (so you can rotate), your vehicle type, and your driving style. I'll be damned if you can get 30k out of a set of square PSS tires; I find that highly unlikely knowing how our cars chew through tires.
I would but that's just me because I have lifetime alignments
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I think more "suggested". You're not changing out the strut so I assume the camber, caster and toe won't change but if I'm wrong then yes I would think it warrants being taken in.