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Best regards,
Shipo
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Thanks in advance!
So... I don't think it's the engine revving higher (unless you are hitting the gas, as well), it's the transmission downshifting into a lower gear..
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By the way, should the transmission fluid be changed every 100,000 miles or sooner than that?
In fact it's a whole bunch smoother than the A/T in my MIL's 2000 LeSabre which has only 42K on it. That one will not give you a smooth kickdown if you are over 3000RPM, it's quite harsh and there's a delay of a second or so that is not pleasing.
2001 BMW 330ci/E46, 2008 BMW 335i conv/E93
Thanks!
You can do it yourself, but the procedure is somewhat more complicated than you may be used to. This how-to is for an E36, but it will still give you an idea of what is involved. I usually have my dealer change the ATF and transfer case oil at 50,000 mile intervals. They only charge me $208.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I wonder what a "cracked" driveshaft is then? Sounds very unusual.
My wife's CPO 1997 528i had a low speed rumble/vibration that was independent of engine speed and wheels/tires fitted. My dealer has a first class service department and they diagnosed a bent driveshaft. It was replaced under the CPO warranty, no questions asked. I still wonder how one could tweak a driveshaft without hitting/running over something.
FYI, BMW continues to use two-piece driveshafts fitted with 1-2 guibos and a center bearing, as you can see on this F01 parts diagram.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I could see a driveshaft out of balance, definitely, but bent? A frozen u-joint would give that same symptom, too.
Some aftermarket shops rebuild them as does BMW.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
my preliminary research outcome is that the faulty N54 engine were in cars until March 2008. I wonder when BMW started to manfacture the 2009's? Just wanted to ask anyone who experienced the failed fuel pumps and how their cars are performing after they were changed out.
Anyone?
I've been reading these boards for over a year now, and have gotten terrific information, many thanks to you all for that help.
I have a CPO 2007 530i with 28K on it. Vehicle has premium, cold, Sports, prem. sound, NAV. Love the car. Really terrific. Since I got the vehicle in June 2009, I was consistently getting like 20mpg city driving, consistently. Verified by myself each time I filled. Now, all of a sudden, I notice I'm getting less mileage. It's down to about 17mpg, with the same type driving. I am very light on the foot, and always let the car coast, and use cruise control when on the highway. I dont' have a heavy foot at all.
What could have changed? Is it the cold weather (live in CT). I just don't get it.
I was getting like 300miles on 15 gals every time, like clockwork. Now, I'm getting maybe 260-270 miles. I'm about ready to call the dealer, since the car is under warranty until June 2012, but I figured I'd ask here first.
Anyone have a clue? Thanks guys, and Merry Christmas and happy New Year!
Gardis
CT
1. Friction -- all the fluids and greases in your car's rolling hardware are thicker, and require more energy to overcome and get warm.
2. Tire pressure--it will drop 1-2 lbs in cold weather---again, more rolling resistance
3. Driving habits -- if you sit and think about it, you probably are making more short trips where before you would walk, due to the cold weather.
4. Warm-ups -- your engine management system is designed (mapped) for optimum engine temperature, and is less efficient when the engine is cold.
You might consider an engine heater when you park overnight, and inflating or at least checking your tire pressure just a little bit more.
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Also, the price for V-rated and H-rated from Michelin seemed to be quite different, and it seemed that H-rated one is not recommended by Costco at all. Is this really matter at all?
Thanks!
2. Don't fit a lower speed rated tire unless it is a dedicated winter tire.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Thanks!
If that's the case you would probably be just as happy driving a Kia.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Why stop with tires? Save a few more bucks and fit some Pep Boys shocks and struts. Put some Midas brakes on it. Walmart Supertech oil and filters? Why not; you won't be driving your car at 100%. And don't forget to use regular unleaded instead of premium.
. Note, a lower speed rated tire may very well have better performance in the rain and light snow because it usually starts out with more tread depth, displace the moisture better, and can conform to the road irregularities better.
And your source for that information is?
So, if you understand the tradeoffs, your actual pleasure and pocketbook may be improved.
Thanks for the helpful information. My knowledge of things BMW is quite limited since I've only owned, wrenched on, and competed in nine BMWs over the past 27 years. And as a BMW driver I'm always looking to improve my pocketbook- whatever the heck that means.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I f I lived in Nevada I probably wouldn't change. But favorite tire is still Michilen! Not an advertisement but something that I can count on almost w/o question except for my last set of piolet/as. Think something hinkey because they never could be balanced well or stay close. Same shop -- Same people for 20 years! Best tire I ever used was Gislavid a Sweedish tire and I think they were unioned out of business. Still afraid of japenese tires just had too many bad experiences. Good Year and Firestone almost killed me twice and would never buy either again for any car that can run over 75mph.
2001 BMW 330ci/E46, 2008 BMW 335i conv/E93
The vehicle's max speed capability requires the manufacturer to select an appropriately spec'ed speed-rated tire. In the same model line, if it is 130, it'll very likely come with H-rated tires. If it is faster, it will have at least V-rated tires. Cornering capability is likely the same, assuming the same sized tires on the same model line (discounting sport, or other enhancements to make one faster).
Anyway, in some countries and maybe states here (not mine), you don't have the choice - the tire's speed rating must match the vehicle, regardless of how you drive it. If you drive it at 100% cornering or speed, then if you don't use the appropriate tire, it could kill you and others. Most people don't. An H-rated tire is only unsafe on a car if you exceed it's max speed. The same can't necessarily be said about brakes and other safety equipment although some are better than that supplied by the factory. A brake pad supplied by the factory is a good all-around performer, but might not be the greatest at track use where extreme heat may dictate a different compound.
Thanks!
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
1. Where is te tank for power steering wheel located? I found one between air filter housing and the battery positive terminal, and with the mark of ATF fluid only on its cover, is this the one?
2. Try to lose the cover and check the fluid level, noticed there are 3 marks, so how to check the fluid level is correct? If needs more fluid, can I fill it with the regular ATF transmission fluid like dexron iii?
Thanks for any advise!
2. Anywhere between the top two marks should be fine. Dexron III is the proper fluid if the cap reads "ATF Oil".
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Thanks.