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BMW X3 hesitation on acceleration

229 messages,  Last post on Dec 02, 2009 at 2:30 PM

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#202 of 229 Acceleration problems with lower ambient temperature by pp2009pp Oct 06, 2009 (5:46 pm)
Actually, that acceleration failure is new to me. That is fact. People are always entitled to their own opinions but not their own facts.   The entire point of threads such as these is to see what others have experienced and to see what the solutions are. Otherwise, they are useless. Most of the threads on these and other forums are talking about the 2007s and 2008s as if the problems WERE FIXED. Obviously, that is false and goes to the problem of DD.   Since temperatures have fallen about 30 degrees since I bought the X3, I am interested in finding out why acceleration failures appear to get worse with lower ambient temperature. If the problem is a s/w failure then why does ambient temperature affect the transmission problem? Isn't the s/w programming of gear shifts a function of speed and rpms?   If you do not have an actual answer to my probs then kindly ignore my posts. If you have an answer then I would appreciate that. Thanks in advance.
#203 of 229 Hesitation on acceleration is normal by pp2009pp Oct 30, 2009 (11:46 am)
So this is what it comes down to. The BMW X3's hesitation on acceleration is NORMAL for the car.   It isn't an issue, you just have to work around it because you the driver are less important than the car. So drive it in SD so that it doesn't get you hit when turning on an unprotected left or trying to merge into traffic or trying to avoid an accident. The stopping short while heading towards a stoplight or stop sign is also normal. The surge in acceleration is normal. It is all normal. It is designed to be this way.   Feel stupid yet?
#204 of 229 X3 '06 acceleration problem compared with '07 model by hfigueroa Nov 18, 2009 (7:40 am)
Hello there, I have been reading countless posts all over the place in regards to the X3 acceleration problem. I ready to purchase a CPO '06 for my wife from a local dealer. I test drove an '06 in another dealer and did not feel anything strange. Now just yesterday test two more '06s and did not notice anything as well. Is this problem related to the '07 and up X3s? is the '06 model not included in this mess. I know BMW changed the engine and trasmission on the '07. I am very confused and concerned to put my wife and kids on this car, even if she loves the car.   Your comments are greatly appreciated Replies to this message: sansnil (Nov 18, 2009 7:57 am) pp2009pp (Nov 18, 2009 10:29 am) MLB6 (Nov 18, 2009 12:50 pm) roadburner (Nov 19, 2009 6:10 pm) roadburner (Nov 19, 2009 6:47 pm)
#205 of 229 Re: X3 '06 acceleration problem compared with '07 model [hfigueroa] by sansnil Nov 18, 2009 (7:57 am)
Replying to: hfigueroa (Nov 18, 2009 7:40 am) The problems started with the 2007 X3's, the 2006 ones are fine. My wife had a 2006 X3 that was terrific, quick, smooth steady power and acceleration. You could barely feel the automatic transmission shifting. The 2007 models on...not so much.
#206 of 229 Re: X3 '06 acceleration problem compared with '07 model [hfigueroa] by pp2009pp Nov 18, 2009 (10:29 am)
Replying to: hfigueroa (Nov 18, 2009 7:40 am) The X3's before 2007 had the 5-speed automatic transmission. The X3's after 2007 have the 6-speed automatic transmission.   The gripes are around the 6-speed AT. I do not know about the 5-speed AT.   If you drive with a lead foot or spend your time mostly on the highways, you may not feel anything. It never hurts to see if you can take an extended test drive and see if you can feel any odd behavior at low speeds. Some say that a rolling stop - not stopping completely at a stop sign - can cause the hesitation.   I would take it for a drive down some hills and see if you feel any 'binding' or hard pull back from the engine brake or the transmission downshifting hard. Again, this seems to be more of an issue at lower speeds. This is also more pronounced in SD mode.   There were supposedly changes to the ride in 2005 and then again in 2007 but if you do not feel that the ride is harsh or bouncy then it won't bother you. You should also check the bolts under the seat for rust just in case the car developed a leak in the pano roof. Other problems that may or may not occur are radio reception while the back defroster is on and maybe some damage to interior or exterior that are not always noted even in a CPO.   I would also take a hard look at the suspension and listen for any creakiness or clunking sounds.   Since you have several to choose from, it pays to be picky-picky-picky and to drive a hard bargain.   Good luck.
#207 of 229 2006 model has the problem by bbbbaaaa1234 Nov 18, 2009 (11:09 am)
IT DOES AFFECT THE 2006 MODEL!!!!!!!!!!!   Dont be fooled, how do I know, I had one and BMW paid me out! BTW mine was a 6 speed diesel
#208 of 229 Re: X3 '06 acceleration problem compared with '07 model [hfigueroa] by MLB6 Nov 18, 2009 (12:50 pm)
Replying to: hfigueroa (Nov 18, 2009 7:40 am) If not because of the Internet, I would have thought the problems with my 07 X3 AT is an isolated case. It takes BMW over 2 years with continuous software updates to find out mine not only a software problem. It's much better now, but from time to time, problems still like to come back to remind me of its very troubled past. I am still very worried about when this X3 would become out-of warranty, because the fact that it had these hesitation and jerky shifting problems, it may have already made some damage to the transmission and its reliability would be iffy.   I would stay away with all 6-speed automatic BMWs, not only X3's. The 5-speed ATs on the other hand, is totally different, there is generally no driving issues that are not fixable for the 5-speeds. I heard about the "No-Reverse" problems but not sure how common it is that with the 04-06 X3s.   Buying a BMW is no longer a sure-bet anymore with its quality control problems especially with problems that can creep-up on you without notice. It pretty much like a "leap-of-faith" when you order a new BMW and wait for it to arrive. Thankfully, the Internet is your friend, so do your DD and accept the risks before you buy (or not to buy).
#209 of 229 What about a Subaru by pp2009pp Nov 19, 2009 (1:08 pm)
I've had BMWs for a long time and they have never been a particularly reliable car. If the X3 does not have the plethora of suspension and transmission problems then it appears to be better than the average BMW from a reliability standpoint. Who knows though since the bulk of them must still be under 100K.   If reliability is the most important thing, avoid ALL EUROPEAN makes and go with the Japanese. There is still a significant difference IMO even though the Japanese have their glitch cars as well.   I agree that getting a BMW is a roll of the dice. If it does break out of warranty then the maintenance costs run easily into the thousands. Pop the hood, pay a grand...good rule of thumb.   I think the Subaru hatchbacks get good marks.
#210 of 229 Re: X3 '06 acceleration problem compared with '07 model [hfigueroa] by roadburner Nov 19, 2009 (6:10 pm)
Replying to: hfigueroa (Nov 18, 2009 7:40 am) I've owned nine BMWs since 1983, and I currently have three in my garage. If you use a good dealer and/or a good independent BMW tech your running costs wont be bad at all. I have a 2004 X3 2.5 with 85,500 miles and non-scheduled maintenance has consisted of a passenger SRS sensor(warranty), one set of tires at 50,000 miles, and one set of brakes at 60,000 miles. Maintenance and repair costs over four years of ownership have averaged $56 per month- hardly a money pit. My 1995 3er has averaged $33/month since I bought it new 14 years ago- and that number includes four sets of Z-rated track tires. Replies to this message: roadburner (Nov 19, 2009 6:47 pm)
#211 of 229 As for Japanese reliability... by roadburner Nov 19, 2009 (6:47 pm)
Replying to: roadburner (Nov 19, 2009 6:10 pm) Two and one-half years ago I bought a Mazdaspeed 3 because I thought it might be fun to try some thing different. Here's my experience:   Blown LF strut at 25,000 miles. That cost me a week of instructing at Watkins Glen.   Smoking turbo at 26,000 miles. The turbo was replaced, but now Mazda claims that the smoking is actually caused by an inadequate PCV system. Five months ago they promised that a PCV revised system would be available in 90 days. Now Mazda is saying the fix won't be ready until March at the earliest.   Variable Valve Timing Actuator became noisy at 46,000 miles. Replaced per TSB.   At 51,000 miles the car is now throwing a P0401 fault code(EGR flow insufficient) on a regular basis. This repair-$600-will be on my nickel as it seems that the EGR system is not covered by either the powertrain or the 49 state emissions warranty. Oh yeah, I also suspect that the remaining three shocks are also packing it in as I'm starting to hear some loud knocks from the rear suspension.   Yep, I'm sure glad I didn't buy another BMW...

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