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2010 2011 BMW 5 Series Forum F10 N55 twinscrol turbo broken |
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05-08-2019, 06:40 AM | #1 |
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N55 twinscrol turbo broken
Hi everybody,
New in this forum to share my unfortunate experience with my BMW 535. At 83000km the turbo broke. I would appreciate to get your comment on how this may happen. |
05-08-2019, 10:21 AM | #3 |
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Also, how often did you do oil changes and what gas you use? I think those also factor in but I could be wrong.
My stock turbo came out looking pretty much spotless when I upgraded my turbo to ps2. I do oil changes every 4k to 5k miles and only put 93 oct from shell: https://m.imgur.com/a/GjdT9Rr |
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05-08-2019, 02:29 PM | #5 |
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In anycase, I think he is better off getting a used cheap turbo from ebay and than trade that in for pure stage 1. Its cheaper than new original turbo from bmw.
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05-09-2019, 03:03 AM | #6 | |
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Quote:
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05-09-2019, 06:55 AM | #8 |
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Thank you for all your comments.
In the mean time I contacted BorgWarner (BMW turbo manufacturer) and they gave me the same explanation. It is probably due to a foreign object swallowed through the air inlet. I still have to check the air filter, air box, air inlet and intercooler for any loose object. Oil is changed every 10000 km and I use 95 oct. Mileage is 83000km (not miles) |
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05-09-2019, 06:58 AM | #9 |
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Here is the answer from BorgWarner.
They provided interesting links for Turbo troubleshooting. Dear Sir, based on the photo the possible turbo failure reason is a foreign object on the compressor inlet. Possible causes: • Nuts, washers, etc. forgotten during engine service • Pieces of air intake system coming loose • Pieces of deteriorated or non-fitting gaskets • Inadequate maintenance of the air filter and air supply systems • Particles in the air inlet • Loose hardware or other foreign material Please find attached the diagnostic matrix for further info and see links below: https://www.borgwarner.com/aftermark...roubleshooting https://www.borgwarner.com/docs/defa...sn=f680b63c_18 Kind Regards / Mit freundlichen Grüßen Matthias Kipper Technical Support Engineer BorgWarner Aftermarket Europe |
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05-16-2019, 10:12 PM | #11 |
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For sure sucked something up. Anyone recently working under the hood of your car? Spark plugs? Valve cover gasket?
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06-17-2019, 07:07 AM | #12 |
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Finally my car is back on the road.
After checking all pipes and intercooler, I did not find any foreign object of any sort except the debris coming from the broken compressor. The air filter was in good condition. I installed a second hand BMW turbo and the car is now running as before. I just cross mi fingers it does not break again. |
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