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BMW 3-Series Maintenance and Repair

4452 messages,  Last post on Dec 07, 2009 at 8:40 PM

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What is this discussion about? BMW 3 Series, Sedan


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#2551 of 4452
Re: Bluetooth.. voice recognition... [kyfdx] by shipo
Dec 05, 2005 (5:51 am)
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Replying to: kyfdx (Dec 05, 2005 3:52 am)

The basic rule of thumb is that you need to create your voice entries with the same microphone that you plan on using said entries with. If you record nice clean entries whilst speaking directly into the Razr, said recordings will differ from what is being spoken through the car's microphone and as such won't be understood.
 
The same thing applies for those of us (me) who use BlueTooth headsets.
 
Best Regards,
Shipo
#2552 of 4452
Snow Tires - to buy or not to buy? by drddo
Dec 05, 2005 (5:59 am)
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I've been contemplating putting some snow tires on my 325xi for the last few weeks. I live in the snow belt of northern Michigan and commute 100 miles round trip through the heart of it. We average 120+ inches of snow a year. I have 16 inch all weathers on currently, which were not too bad last year, but it was a relatively mild winter. I'm wondering if snow tires might change my winter driving experience from not bad to great. Also, if I get the tires I'm not sure if I would want to buy new wheels as well, or just change the tires over. I'm looking at putting on the Michelin x-ice, and as they're predicting 8-15 inches today, I'm thinking of sooner than later! Any input would be appreciated. -Drddo
#2553 of 4452
Re: Snow Tires - to buy or not to buy? [drddo] by shipo
Dec 05, 2005 (6:07 am)
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Replying to: drddo (Dec 05, 2005 5:59 am)

During the winters of 1999-2002 I drove a 1999 328i shod with Michelin All-Season tires mounted on 16" rims, kinda sorta just like what you are driving around on. The experience was a very tepid "not bad". In December of 2002 I put a set of Michelin Arctic-Alpin tires (since replaced by the X-Ice) on my (then) new 530i, and the difference was indeed "great". FWIW, I live in southern New Hampshire (where we've averaged just over 100" of snow over the last three years), however, I grew up in Michigan and know well of the area of which you speak. Oddly enough, the roads around here remind me very much of just about any rural road north of say Bay City, and even more of the roads around say Atlanta.
 
There is little doubt in my mind that if you switch to a set of X-Ice tires (and do yourself a favor and buy new wheels too), your driving experience will indeed go from "not bad" to "great".
 
Best Regards,
Shipo
#2554 of 4452
IIRC Bluetooth/voice activation by erickpl
Dec 05, 2005 (7:29 am)
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I believe the voice dial for entries like "Johnny" that you have voice recording stored for on your Razr is NOT the same as a "Johnny" entry you can make and store in the BMW itself.
 
BMW's voice recognition lets you program numbers for several entries (not sure of the number) and these recordings are not the same as the ones that may be in the phone.
 
I've gone through 3 Razr phones and to avoid losing numbers, I store them on the SIM card, which cannot allow voice tags to be associated with them. I'd use the BMW voice recogntion and store the tags in the car.
 
Bluetooth headsets will use the directory and voice tags on the phone itself.
 
BMW's can read the directory and dial from it, but you CAN do voice tags that are only used in the car.
 
Of course, I may be TOTALLY off with this.
 
-Paul
#2555 of 4452
Re: Snow Tires - to buy or not to buy? [drddo] by rhmass
Dec 05, 2005 (7:59 am)
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Replying to: drddo (Dec 05, 2005 5:59 am)

I would vouch for what shipo said in his response to you.
Getting an extra set of wheels is actually economically making sense as you'll save the expense of remounting and rebalancing twice a year. In three years you'll have come out even. On top of that you save the wear and tear of your BMW alloy wheels.
I got a set of alloy wheel/tires for my 02 xiT from Tirerack (Sport Edition/Dunlop winter sport 03) for a total of $807. You may save additional $80 with X-ice tires in the package. Money well spent IMO.
#2556 of 4452
Re: Snow Tires - to buy or not to buy? [shipo] by drddo
Dec 05, 2005 (8:00 am)
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Replying to: shipo (Dec 05, 2005 6:07 am)

Thanks for the input Shipo. I drive from Petoskey to Gaylord, so you know the roads I'm dealing with. What's the bonus with the new wheels too? Easier and more cost effective in the long run? If so, is steel the best way to go, or a cheap set of alloys? I know I'll get a lot of grief from my wife if I get a new set of black steel rims for our Bimmer. She may not mind as much if the performance is that noticeable and she takes it out on a bad day.
#2557 of 4452
Re: Snow Tires - to buy or not to buy? [drddo] by shipo
Dec 05, 2005 (8:18 am)
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Replying to: drddo (Dec 05, 2005 8:00 am)

Yup, kind of the same roads, I've driven between West Branch and Cadillac any number of times when it looked like I was going into hyperspace (caused by heavy snow in the headlights) through the windshield.
 
As for the new wheels, there are a number of issues, chief among them is cost. Given that the cost of mounting and balancing is anywhere from $15 to $30 depending upon who does it, you will spend anywhere from $120 to $240 per year just for those charges alone. After a couple of years that starts to make a new set of even alloy wheels look cheap. Then there is the potential damage to the bead of the tires themselves. I've heard anecdotal evidence that suggests that tires are not meant to be mounted more than a couple of times and that any more than that and "hard to find and impossible to fix" slow leaks start to occur. Others have mentioned that exposing your OEM rims to the rigors of winter driving is not exactly a recipe for a long cosmetic (or worse in the case of a pot hole or frost heave) life of those rims.
 
Regarding whether to get steel wheels or alloys, errr, that's a difficult one to answer. For my 530i, there were no steel wheels available, making for an easy answer. For my Mother-In-Law's Toyota Corolla, which had the option of either, the answer was also easy, steel all the way. For your "xi", hmmmm, I'm thinking that I'd have to ponder long and hard as to which way to go. Hubcaps on a 325xi?
 
Best Regards,
Shipo
#2558 of 4452
Re: Tire issues [cargal2] by gordonwd
Dec 05, 2005 (9:11 am)
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Replying to: cargal2 (Dec 02, 2005 11:14 pm)

To answer your final question, "stagger" means having different size tires front to back (or side to side!), and is something you might want to have in NASCAR racing, but never on an AWD vehicle. What happens is that, if the front and rear tires are different diameter due to uneven wear or being a different brand or basic size, then at a given speed your front and rear wheels are turning at slightly different rates.
 
On a FWD or RWD this is no big deal, but an AWD system usually has some sort of center "differential" that controls the power distribution. The different rotation of the front and rear can confuse this device as though the tires are slipping, and it might start doing things to try to compensate, such as changing the power distribution. In fact, the source of the noise or vibration that you are feeling could be due to the AWD system cycling back and forth as it tries to get your wheels turning at the same rate.
 
So the rule for AWD is to always start with new tires at all four corners, same brand, same size, same tread. That way they should be very close to the same diameter throughout their useful life.
#2559 of 4452
Re: Cylinder head cracked [shipo] by david57
Dec 05, 2005 (9:39 am)
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Replying to: shipo (Dec 01, 2005 9:28 am)

Thanks for the analysis about my cracked cylinder head. The light that went on was the one to indicate that the coolant level in the radiator was low. My radiator leak could only be detected by pressure testing the radiator. My car has a radiator temperature gauge never showed the water temp as being hot, the needle on the gauge was always at the mid point. The disassembled engine showed no evidence of the engine being overheated. It seems to me that there was a defect in the cylinder head casting. David57
#2560 of 4452
Re: Snow Tires - to buy or not to buy? [shipo] by drddo
Dec 05, 2005 (9:49 am)
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Replying to: shipo (Dec 05, 2005 8:18 am)

Thanks Shipo and rhmass. I'll give my local shop a call and see what we can put together. I figured I would after my long drive in this morning, but your input surely helps. -Drddo

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