[Rahat12]

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Need some opinions from the forum. I bought a brand new 2023 M3 Xdrive Comp. I drove it for around two weeks and hit 1,150 miles on it and took it in for my break in service. After getting the car back about 2 days later (drove less than 50 miles) I heard this weird whining noise and was worried, so drove it back to the service center the next day. They kept the car and said they need to reach out to BMW to figure out the issue. Today they told me BMW advised them to replace the differential. Any suggestions on what I should do or any actions to take? TIA!

[geko29]

Sounds like they did the first step of the break-in service on your diff, and forgot the second step. That would be the "not-so-important" step where they put gear oil back in to the empty differential.

You will get a brand-new differential. Unfortunately I expect that means you get to go through the break-in procedure.

[forcefed]

Originally Posted by geko29

Sounds like they did the first step of the break-in service on your diff, and forgot the second step. That would be the "not-so-important" step where they put gear oil back in to the empty differential.

You will get a brand-new differential. Unfortunately I expect that means you get to go through the break-in procedure.

Yup that's what it sounds like, goofball tech forgot to fill the diff back up.

[Rahat12]

Yeah you're right, just spoke to the service manager and the tech messed up. They are replacing the rear differential. Anyone have an idea if this can cause any issues in the future?

[xXMPowerXx]

Damn wrench monkeys.

I’d think your whole service is suspect now. Did they put the right oil in the engine? Did they snug down the drain plug/oil filter assembly?

[vmalho2]

I'd ask them for a root cause and call them on their mistake they potentially made. They giving you a loaner in the mean time? I'd also ask, what they can do to make it right, if they were at fault...

[Rahat12]

I have a 530e as a loaner reached out to BMW NA and they assigned me a case manager. Hopefully they can help me out.

[Indo Rider]

And I thought the fact that mine was leaking from the fill plug after the break in service was bad... Sorry to hear OP.

[ano0oj]

Originally Posted by Rahat12

I have a 530e as a loaner reached out to BMW NA and they assigned me a case manager. Hopefully they can help me out.

Few things I would demand here since this is an actual big deal (contrary to many of the issues people have on this forum)

- It will be at least a few weeks before you get your car back, I would demand some sort of financial reimbursement (Especially on a brand new car)

- If the above can't be done, ask for a better loaner -- It's not unreasonable for you to ask for an M loaner

- Have them agree to consistent updates (minimum 3x/week)

[Jim B]

Originally Posted by Rahat12

Yeah you're right, just spoke to the service manager and the tech messed up. They are replacing the rear differential. Anyone have an idea if this can cause any issues in the future?

The service manager and tech should be FIRED forthwith.

[B_davis]

It was a mistake, they are handling it under warranty ... move on and worry about more important things....

[secretariat]

Originally Posted by Jim B

The service manager and tech should be FIRED forthwith.

Maybe the tech and manager should be cancelled? Geez they made a mistake, get your car back and move along.

[LuvMyE92]

Originally Posted by Rahat12

Yeah you're right, just spoke to the service manager and the tech messed up. They are replacing the rear differential. Anyone have an idea if this can cause any issues in the future?

Nah. The only thing it would have messed-up is the diff, and they're replacing it.

Originally Posted by secretariat

Maybe the tech and manager should be cancelled? Geez they made a mistake, get your car back and move along.

Right. Glass houses and all that. Everyone makes mistakes.

Well, not me. But the rest of you mooks, yeah...

[ano0oj]

Originally Posted by B_davis

It was a mistake, they are handling it under warranty ... move on and worry about more important things....

A mistake is that they washed your car when requested not to. This is a F#$% up.

[2011ninja]

Originally Posted by ano0oj

Few things I would demand here since this is an actual big deal (contrary to many of the issues people have on this forum)

- It will be at least a few weeks before you get your car back, I would demand some sort of financial reimbursement (Especially on a brand new car)

- If the above can't be done, ask for a better loaner — It's not unreasonable for you to ask for an M loaner

- Have them agree to consistent updates (minimum 3x/week)

Are you posting this from your basement eating Doritos, twenkies and a 32 oz flat store brand orange soda?

[Froz3n_M]

Its a mistake, wouldn't trust service there anymore unless you get their lead tech. Get it replaced by their lead as well, request it. Its under warranty so you'll be fine. Get a nice loaner and just move one.

You shouldn't have any issues from the replacement, but just keep it documented in case anything else fails which can relate to the replacement in the rear. I would also ask for an alignment check in the rear once theyre done, just because.

[secretariat]

Originally Posted by ano0oj

Few things I would demand here since this is an actual big deal (contrary to many of the issues people have on this forum)

- It will be at least a few weeks before you get your car back, I would demand some sort of financial reimbursement (Especially on a brand new car)

- If the above can't be done, ask for a better loaner -- It's not unreasonable for you to ask for an M loaner

- Have them agree to consistent updates (minimum 3x/week)

I'm just wondering what exactly you would do if they told you to stick your demands up your you know what?

[Aalfred]

Maybe you can ask them to extend your drive train warranty by another 1-2 yrs when you discuss it with BMW NA and see if they will bite. Otherwise, its pretty shitty what happened and maybe talk to the dealership manager and see if they would do that instead

[Rahat12]

Thank for the feedback just more annoyed having to deal with this. Also gotta redo the break-in service. But the part is back ordered ofc and prob will be without the car for a month +

[colo3Kid]

Originally Posted by Rahat12

Thank for the feedback just more annoyed having to deal with this. Also gotta redo the break-in service. But the part is back ordered ofc and prob will be without the car for a month +

ts a mistake, wouldn't trust service there anymore unless you get their lead tech. Get it replaced by their lead as well, request it. Its under warranty so you'll be fine. Get a nice loaner and just move one.

You shouldn't have any issues from the replacement, but just keep it documented in case anything else fails which can relate to the replacement in the rear. I would also ask for an alignment check in the rear once theyre done, just because.

Mistakes do happen anytime a human is involved. Hopefully they will check next time?

[Ximian]

Originally Posted by B_davis

It was a mistake, they are handling it under warranty ... move on and worry about more important things....

Mistakes by techs at the dealership, like damage that may occur driving on the road, or a kid on a bicycle, isn't covered under the warranty.

When my car spent a month waiting for parts, I got a credit of what was one month's payment covered on my BMW FS loan. You can ask BMW NA to give you an extended (3rd party) warranty, but the dealer would likely cover that cost. If it only takes one week, you're likely not to get much. If it takes a month or more, I would push for the extended warranty but would settle for financial compensation for however long your car is unavailable.

[MCM4]

Originally Posted by Rahat12

They are replacing the rear differential. Anyone have an idea if this can cause any issues in the future?

Only if the same guy is the one who changes the differential.