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      09-29-2019, 09:11 AM   #1
Chris_340i
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F31 MPPSK Vibration Help

Hi all

Need some advice.

I have an F31 340i with sunroof fitted and it has the under car braces.

I have the MPPSK fitted, however recently I've noticed the centre section now rests on the under body braces and causes vibration.
Has anyone else has this issue? Could it be exhaust centre section is loose and sliding out.

Many thanks

Chris
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      09-29-2019, 09:28 AM   #2
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How long have you had MPPSK? Does the vibration come from somewhere around the driver’s footwell?
If it’s a recent fit and coming from that area, it’s probably the standard problem with MPPSK of clamp bolt against heat shield. There’s a whole thread about it on here somewhere. Take back to fitting dealer and get them to cut down bolt or rotate clamp slightly 👍
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      09-29-2019, 09:39 AM   #3
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Quote:
Originally Posted by Malone View Post
How long have you had MPPSK? Does the vibration come from somewhere around the driver’s footwell?
If it’s a recent fit and coming from that area, it’s probably the standard problem with MPPSK of clamp bolt against heat shield. There’s a whole thread about it on here somewhere. Take back to fitting dealer and get them to cut down bolt or rotate clamp slightly 👍
The vibration feels like it's the drivers footwell but I'm more than convinced it's in the centre.

Argh taking it back is going to mean a 3 drive!
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      09-29-2019, 09:48 AM   #4
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Quote:
Originally Posted by Chris_340i View Post
The vibration feels like it's the drivers footwell but I'm more than convinced it's in the centre.

Argh taking it back is going to mean a 3 drive!
When we had the problem with ours, our dealer advised us to ring BMW assist, so the car would get in ASAP and we’d get hire car (if you’ve got this?). Said car was pretty much undrivable and played it a bit dumb, worried about safety etc.

Car was collected and taken to dealer, hire car delivered and then we picked the car up (but it was local), but I’m sure they’d drop the car back.

Good thing about the MPPSK being a BMW warranted product!
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      09-29-2019, 09:53 AM   #5
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Quote:
Originally Posted by Malone View Post
When we had the problem with ours, our dealer advised us to ring BMW assist, so the car would get in ASAP and we’d get hire car (if you’ve got this?). Said car was pretty much undrivable and played it a bit dumb, worried about safety etc.

Car was collected and taken to dealer, hire car delivered and then we picked the car up (but it was local), but I’m sure they’d drop the car back.

Good thing about the MPPSK being a BMW warranted product!
I'll give it a go.

Many thanks
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      09-29-2019, 10:01 AM   #6
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Thinking about it - if it’s under warranty you should be able to get it sorted by any local dealer 👍
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      09-29-2019, 04:36 PM   #7
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Quote:
Originally Posted by Malone View Post
Thinking about it - if it’s under warranty you should be able to get it sorted by any local dealer 👍
Would the whole still have to be under warranty or just the exhaust.

Had the exhaust fitted in June but the cars 3 year warranty has now expired.
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      09-30-2019, 05:45 AM   #8
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Quote:
Originally Posted by Chris_340i View Post
Would the whole still have to be under warranty or just the exhaust.

Had the exhaust fitted in June but the cars 3 year warranty has now expired.
Pretty sure the MPPSK come with 1 year warranty at least, irrespective of the car.
Might just be worth a quick call to fitting dealer to double check 👍
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      09-30-2019, 09:24 AM   #9
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Quote:
Originally Posted by Malone View Post
Pretty sure the MPPSK come with 1 year warranty at least, irrespective of the car.
Might just be worth a quick call to fitting dealer to double check 👍
Could be wrong, but if I remember rightly, the exhaust comes with 4 years warranty if fitted on a new car at factory, and 2 years if fitted on a used car?
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      09-30-2019, 11:31 AM   #10
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I'll check my paper work tomorrow re warranty tonight.

My car is a used car.
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      09-30-2019, 06:28 PM   #11
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It's not possible to have it fitted at the factory, it's a dealer fit part.
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      10-23-2019, 03:53 AM   #12
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Hi all,

Many thanks for all your suggestions.

This is turning out be a frustrating situation... The car has now been back to BMW and they have seen and heard the issue. It does not appear to be vibration from the front exhaust clamp but from the valves in the MPSSK back box itself.
Now for the annoying part.. BMW are not sure warranty of the parts covers the valves and the replacement part is 1700 quid.

BMW have agreed to take my car for a week for more tests and diagnostics. Fingers crossed they sort it. I really don't see how they cannot replace the faulty item as its all installed by them.

Let's watch this space however I must admit I'm slightly concerned about getting a large bill.
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      10-23-2019, 04:24 AM   #13
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The valves are surely part of the MPPSK and warrantied along with the rest of the product. Maybe they just don't want to commit until they're 100% certain as to the problem. Good luck.
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      10-23-2019, 05:31 AM   #14
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Quote:
Originally Posted by Londoner View Post
The valves are surely part of the MPPSK and warrantied along with the rest of the product. Maybe they just don't want to commit until they're 100% certain as to the problem. Good luck.
I agree, thanks.

I'm sure it will be ok but I just hope BMW don't try anything on. It was only fitted in June and only covered 2k mileage.
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      10-23-2019, 07:34 AM   #15
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Quote:
Originally Posted by Chris_340i View Post
Hi all,

Many thanks for all your suggestions.

This is turning out be a frustrating situation... The car has now been back to BMW and they have seen and heard the issue. It does not appear to be vibration from the front exhaust clamp but from the valves in the MPSSK back box itself.
Now for the annoying part.. BMW are not sure warranty of the parts covers the valves and the replacement part is 1700 quid.

BMW have agreed to take my car for a week for more tests and diagnostics. Fingers crossed they sort it. I really don't see how they cannot replace the faulty item as its all installed by them.

Let's watch this space however I must admit I'm slightly concerned about getting a large bill.
£1700! So basically the whole exhaust is replaced?
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      10-23-2019, 07:39 AM   #16
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I would hope that if the exhaust is only 4 months old and has only covered 2K miles and has not been damaged in use, then it would fall under the heading of 'not of merchantable quality' and BMW would replace it f.o.c.

Good luck, hope they sort it for you.
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      10-23-2019, 11:09 AM   #17
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Quote:
Originally Posted by Chris_340i View Post
I agree, thanks.

I'm sure it will be ok but I just hope BMW don't try anything on. It was only fitted in June and only covered 2k mileage.
Quote:
Originally Posted by Abzynthe View Post
£1700! So basically the whole exhaust is replaced?
Yes that's what BMW think, all the valves are in the back box which seems to be where the cost is. The centre section must be fairly cheap.

Quote:
Originally Posted by RobUK View Post
I would hope that if the exhaust is only 4 months old and has only covered 2K miles and has not been damaged in use, then it would fall under the heading of 'not of merchantable quality' and BMW would replace it f.o.c.

Good luck, hope they sort it for you.
Thanks and I 100 % agree, I have had no reason to fiddle around with the exhaust as I am no mechanic
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      10-23-2019, 11:23 AM   #18
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Quote:
Originally Posted by Fazil View Post
Quote:
Originally Posted by Malone View Post
Pretty sure the MPPSK come with 1 year warranty at least, irrespective of the car.
Might just be worth a quick call to fitting dealer to double check 👍
Could be wrong, but if I remember rightly, the exhaust comes with 4 years warranty if fitted on a new car at factory, and 2 years if fitted on a used car?
It's the remainder of new car warranty or 2 years 25k miles whichever is greater or something like that. It should say on the website of your country.
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      11-05-2019, 11:54 AM   #19
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Hi All,

To close this all off. Had a call from BMW today. They replaced the MPSSK exhaust under warranty. They have had the car for a week for tests and the valves had failed.

Therefore I pick the car up on Saturday - earliest I can do.

However my 19 plate 320i msport new shape 3 series loaner is a lovely car.
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      11-05-2019, 12:12 PM   #20
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Quote:
Originally Posted by Chris_340i View Post
Hi All,

To close this all off. Had a call from BMW today. They replaced the MPSSK exhaust under warranty. They have had the car for a week for tests and the valves had failed.

Therefore I pick the car up on Saturday - earliest I can do.

However my 19 plate 320i msport new shape 3 series loaner is a lovely car.
Congrats mate. So were the valves faulty from day one?
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      11-05-2019, 12:54 PM   #21
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Quote:
Originally Posted by Chris_340i View Post
Hi All,

To close this all off. Had a call from BMW today. They replaced the MPSSK exhaust under warranty. They have had the car for a week for tests and the valves had failed.

Therefore I pick the car up on Saturday - earliest I can do.

However my 19 plate 320i msport new shape 3 series loaner is a lovely car.
Glad you've sorted your car👍
Interesting your impressed with a new shape 2 litre, even though you have a 340.
Must be the build quality?
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      11-05-2019, 01:42 PM   #22
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Quote:
Originally Posted by SW6Steve View Post
Quote:
Originally Posted by Chris_340i View Post
Hi All,

To close this all off. Had a call from BMW today. They replaced the MPSSK exhaust under warranty. They have had the car for a week for tests and the valves had failed.

Therefore I pick the car up on Saturday - earliest I can do.

However my 19 plate 320i msport new shape 3 series loaner is a lovely car.
Glad you've sorted your car👍
Interesting your impressed with a new shape 2 litre, even though you have a 340.
Must be the build quality?
The 2 litre engine is dog shit but the car is lovely.

Bet the M340i is a beast.
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