[suby01]

Originally Posted by Gorst

I have a different question.
While I fully agree that BMW will keep a tight grip on all warranty work, what I don’t understand is this;
Why does BMW promote Launch Control? Yes, I can understand this for M versions but not for regular 30i and 40i versions. Is this a big selling point or BMW is so confident with their engines that they believe consumers will not be able to abuse this no matter what they do.
Do other manufacturers do this?

Ehhh a 30i does NOT have LC. So no they do not promote it on those models. Also I do not recall BMW promoting LC on any model. Hard driving around a closed course is about it.
Thats like saying why does KIA promote 140mph on the dashboard but you can only go 65 “legally”. Just because its there doesnt mean you should use it.

[Gorst]

Originally Posted by suby01

Ehhh a 30i does NOT have LC. So no they do not promote it on those models. Also I do not recall BMW promoting LC on any model. Hard driving around a closed course is about it.
Thats like saying why does KIA promote 140mph on the dashboard but you can only go 65 “legally”. Just because its there doesnt mean you should use it.

First of all as an owner of an X4 30i 2023 I would know this. And yes they do promote it in a way because it is in the manual and in idrive 7 with the procedures.
It’s certainly not hidden so that you have to use BimmerCode to get it.

[Burr001]

Originally Posted by Gorst

I have a different question.
While I fully agree that BMW will keep a tight grip on all warranty work, what I don’t understand is this;
Why does BMW promote Launch Control? Yes, I can understand this for M versions but not for regular 30i and 40i versions. Is this a big selling point or BMW is so confident with their engines that they believe consumers will not be able to abuse this no matter what they do.
Do other manufacturers do this?

If you have your own business and the point of that business is to make money, wouldn't you do everything to capture your customers from any angle?

[Gorst]

Yes, I agree. However, to do this here you need to have a very good product. And they do.
Kudos to BMW

[Rhdlife]

Originally Posted by Lambobimmer

How is the NVH with this driveshaft?

NVH?

[smaglik]

Originally Posted by Rhdlife

NVH?

Noise, vibration, and harshness

[Rhdlife]

Originally Posted by smaglik

Noise, vibration, and harshness

Definitely vibration because it’s 1 piece

[Burr001]

https://www.facebook.com/share/p/Bxu...ibextid=oFDknk

Someone on fb is having a 2 piece one made...Hopefully it will hold power and be more cost effective.

[AshtonPJT]

Originally Posted by Burr001

WTF....I'm sorry to see that. But why the rear diff? Are they saying it was damaged cause it look like the driveshaft took the hit and snapped exactly like mine did. Is it making noise-clunking grinding? does it still spin? Do you have the m-sport diff?

My driveshaft cost me 3018.39 total with parts and labor, they charging you 3236 for just the driveshaft?

With mine was 700 and 2 hours of work o not end

[Burr001]

Soooo..my 2nd oem driveshaft failed tonight....but look what came in the mail earlier in the day. Upgraded driveshaft with upgraded job center carrier with street bushing.

[AshtonPJT]

Originally Posted by Burr001

Soooo..my 2nd oem driveshaft failed tonight....but look what came in the mail earlier in the day. Upgraded driveshaft with upgraded job center carrier with street bushing.

It only took both of us blowing two driveshafts the same way before we decided to get an upgraded one😂

[blackops23]

Originally Posted by Burr001

Soooo..my 2nd oem driveshaft failed tonight....but look what came in the mail earlier in the day. Upgraded driveshaft with upgraded job center carrier with street bushing.

How often are you launching? I feel like I drive the piss out of mine and holding strong for time being…I rarely use launch control so that may be my only saving grace. Around 46k miles

[AshtonPJT]

Originally Posted by blackops23

How often are you launching? I feel like I drive the piss out of mine and holding strong for time being…I rarely use launch control so that may be my only saving grace. Around 46k miles

I had about 400+ launches on my last one testing the reliability of my rear diff bushing fix, the one before that broke from the bolt snapping:/

[5LEEPR_G01]

Originally Posted by Burr001

Soooo..my 2nd oem driveshaft failed tonight....but look what came in the mail earlier in the day. Upgraded driveshaft with upgraded job center carrier with street bushing.

How close in price is this from the current single piece offerings?

[AshtonPJT]

Originally Posted by 5LEEPR_G01

How close in price is this from the current single piece offerings?

The driveshaftpro is $606.40 + shipping I think $80 for ground or $110 for overnight. Plus jxb which both me and burr are getting very bad nvh around 3k-4.5k in 3rd gear. He has the street bushing and I have the track

[Burr001]

Originally Posted by AshtonPJT

The driveshaftpro is $606.40 + shipping I think $80 for ground or $110 for overnight. Plus jxb which both me and burr are getting very bad nvh around 3k-4.5k in 3rd gear. He has the street bushing and I have the track

Yeah I having vibrations at the end of 3rd going into 4th gear...it feels like its coming from the middle so im gonna adjust the JXB mounting and see if that helps

[Leem40i]

Your mistake was having BMW come tow your car. You could have had your car towed to your house through your insurance and they would have also authorized a second tow to the dealership. While it was at your house you should have removed the jb4 and you would have gotten it covered under warranty

[5LEEPR_G01]

*me reading the BS above this comment

Edit: I realized it’s the usual suspect 🙄

[AshtonPJT]

Originally Posted by 5LEEPR_G01

*me reading the BS above this comment

Edit: I realized it’s the usual suspect 🙄

When he does realize that burr now has a fully built car🫣 also thinking that bmw won’t see that the jb4 was installed via the data on ISTA

[Burr001]

Originally Posted by Leem40i

Your mistake was having BMW come tow your car. You could have had your car towed to your house through your insurance and they would have also authorized a second tow to the dealership. While it was at your house you should have removed the jb4 and you would have gotten it covered under warranty

Gosh darn it....your correct as always thank you for pointing the errors. I appreciate you, your the best.










only some of you will understand what this means...lol.

[JonasM40i]

Originally Posted by Rhdlife

Quick update, nothing resolved from BMW and ended up going with an upgraded driveshaft in fear of it breaking again. Will get pics of install soon. East coast driveline is amazing and has made it an option to now purchase from their site directly since all the legwork and measurements are done.

Link below

https://ecdriveline.com/products/untitled-sep8_08-43

I drive a 2023 M40i and I am wondering if that driveshaft would fit my MY too, as only the 2023 X4 is listed on the homepage.

Can anybody answer this?

As I am going for a built transmission I would also upgrade the driveshaft in that situation.

[Burr001]

Originally Posted by JonasM40i

I drive a 2023 M40i and I am wondering if that driveshaft would fit my MY too, as only the 2023 X4 is listed on the homepage.

Can anybody answer this?

As I am going for a built transmission I would also upgrade the driveshaft in that situation.

A few people using the cf version have seen failure and no recourse to getting it fixed or replaced, but that's mostly info 3rd hansd be. aware.