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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Gearbox has just thrown in the towel



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      08-05-2012, 12:24 PM   #1
335DEE
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Gearbox has just thrown in the towel

Random situation where every now again the gearbox would kind of resist a gearchange and the resulting thud would force it through.

This happened a few times here and there and gave a nasty sensation of the box taking large amount of stress. The noise wasn't loud or metallic but gave the sensation of the diff locking or the car having total loss of power for a split second before the mass of the car travelling forced it through whatever happened

Well now it's decided to go into limp mode , i'm now stuck in 2nd or 3rd gear

Mistryn kindly came round yesterday about another issue and read my codes.
Iv'e got code CF31 & CF33 which appears to be transmission related and wouldn't clear

Can anyone shed some light on these codes ?

the car seems to be running fine otherwise , no crunching whining knocking or other descriptive words for nasty noises. No fluids are evident. It all started happening after i replaced the MAF sensor after driving for 180 miles without one a week ago.
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      08-05-2012, 01:51 PM   #2
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from memory that is what mine came up with. SOmething to do with clutch pack failures. Total new gearbox required. Mine had the exact some symptoms as yours. Hesitation to change gear and then would engage eventually with a bang that felt like it was too much torque etc. Had limp mode on a number of occasions and would hold 3rd gear. Get it to the dealers asap.

Hate to say it mate but i hope you have got a warranty . I had a totally new gearbox under warranty, failing around 50K miles. Do a search on here and you will find my threads on the problem. Took nearly 6 weeks as the gearbox was on back order. The final bill from what the service guy told me the final bill was the wrong side of 8K
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      08-05-2012, 02:06 PM   #3
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Quote:
Originally Posted by jonl1983 View Post
from memory that is what mine came up with. SOmething to do with clutch pack failures. Total new gearbox required. Mine had the exact some symptoms as yours. Hesitation to change gear and then would engage eventually with a bang that felt like it was too much torque etc. Had limp mode on a number of occasions and would hold 3rd gear. Get it to the dealers asap.

Hate to say it mate but i hope you have got a warranty . I had a totally new gearbox under warranty, failing around 50K miles. Do a search on here and you will find my threads on the problem. Took nearly 6 weeks as the gearbox was on back order. The final bill from what the service guy told me the final bill was the wrong side of 8K
Woah
I have to say that from initial clunk to flunk was about 50 miles .. sadly no warranty or warning really .. so will be having my box rebuilt or a second hand one fitted if i can find one .. just going to have to take the risk. Even if i did have a warranty the excess would be probably the price of a s/h box incl indie fitting.
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      08-05-2012, 02:39 PM   #4
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just out of interest is your car mapped?
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      08-05-2012, 02:44 PM   #5
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just out of interest is your car mapped?
Aye it's bluefinn'd but sitting with 90k on the clock
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      08-06-2012, 07:17 AM   #6
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Take it to a specialist for diagnosis. Could be a software/ecu fault and not the box itself. If they say it's knackered but can get it out of limp mode you might want to consider trading it (webuyanycar etc)...
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      08-06-2012, 11:19 AM   #7
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Get rid of bluefin and check if the problem reoccurs.
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      08-06-2012, 11:29 AM   #8
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Quote:
Originally Posted by EQUANT View Post
Get rid of bluefin and check if the problem reoccurs.
Removed it last night..

Got to it this morning and it's no longer in safe mode , but still it's not a happy bunny. It threw a few thuds on the way to an indie today who is going to stick the Autologic on it and see what comes up.

Selling for a huge loss may well be on the cards , as at the moment the cheapest ballpark figure I got is 2.5k for recon fitted. I'd rather take a 3k hit and walk away then struggle with paying 2.5k to get my 90k miler back on the road and have something else fail.
I have to say that nothing else is really wrong with it having recently spent nearly 1k on having pressure controllers , vac hoses and red boost hoses fitted.

Oh and Phil .. congratulations on your 1000th post , you don't win much but i feel privileged you chose me
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      08-06-2012, 01:50 PM   #9
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If you do decide to cut your loses I may be interested in some of the new parts like the belts to take off your hands etc
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      08-06-2012, 03:04 PM   #10
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Has the oil been replaced? 90k is much more than the manufacturer (ZF) state for service intervals. I think they advise a gearbox service at 50k. The service pack from ZF is readily available and usually cures all manner of problems with the auto box including jerkiness and slowness of gear changes. The magnetic filters become overloaded and swarf ends up circulating, slowly destroying the box.
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      08-07-2012, 04:56 AM   #11
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Quote:
Originally Posted by o0timbo0o View Post

Oh and Phil .. congratulations on your 1000th post , you don't win much but i feel privileged you chose me

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      08-08-2012, 04:38 PM   #12
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Quote:
Originally Posted by Ant Man View Post
Has the oil been replaced? 90k is much more than the manufacturer (ZF) state for service intervals. I think they advise a gearbox service at 50k. The service pack from ZF is readily available and usually cures all manner of problems with the auto box including jerkiness and slowness of gear changes. The magnetic filters become overloaded and swarf ends up circulating, slowly destroying the box.
Supposedly the gearbox is sealed for life
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      08-08-2012, 05:17 PM   #13
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http://wiki.bavariantechnic.com/inde...ault_Code_CF33

So a fail safe for the auto, perhaps unrelated to a damaged transmission though.

As on the other post, some of the symptoms seem to be torque converter related ie no go as the revs build. I'd be getting adaptations cleared and a reconditioned torque converter (if they exist for your model) and see where that leads. In fact, if you've remapped the car that's the first place I'd look for transmission problems. Why not get in contact with ZF UK themselves. When I had an issue with my transmission, once they had it hooked up to their C64 they diagnosed it immediately - TC related.
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      08-08-2012, 06:05 PM   #14
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Quote:
Originally Posted by wallsmk2 View Post
http://wiki.bavariantechnic.com/inde...ault_Code_CF33

So a fail safe for the auto, perhaps unrelated to a damaged transmission though.

As on the other post, some of the symptoms seem to be torque converter related ie no go as the revs build. I'd be getting adaptations cleared and a reconditioned torque converter (if they exist for your model) and see where that leads. In fact, if you've remapped the car that's the first place I'd look for transmission problems. Why not get in contact with ZF UK themselves. When I had an issue with my transmission, once they had it hooked up to their C64 they diagnosed it immediately - TC related.
I've had a word with a friend who owns a garage down south and he is of the opinion that it could be torque c related as he seen a few 335d's go through his place with this problem .Either that or stuck valve in transmission pack. Still waiting for the garage the cars at to report the codes it's thrown.

Good skills on finding the cf33 error

I had a good root about and couldn't find much about it or at least what it meant
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      08-11-2012, 04:19 AM   #15
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Quote:
Originally Posted by o0timbo0o View Post
Supposedly the gearbox is sealed for life
How can a gearbox sealed for life?

Trust the expert opinion of the manufacturer - ZF and follow their advice. In my experience and articles in magazines, they seem to offer excellent customer service and good value for money.

Torque converters seems to be a BMW weak link. The number of issues my local indy sees with TC problems by far outweighs gearbox issues. Most autobox problems are solved with an oil service.
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