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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > B47 proven reliable?
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      12-21-2018, 07:41 PM   #1
Firaxis
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B47 proven reliable?

Not been able to find much on it besides the odd EGR issue, looking at a 2017 (67 plate) for a potential long term keeper. I've seen quite a few examples of cars with the B47 doing over 150K miles which is an impressive amount in 4 years.

I'd gather by this stage most of the issues are sorted, still any feedback welcome.
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      12-21-2018, 09:10 PM   #2
floydarogers
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Quote:
Originally Posted by Firaxis View Post
Not been able to find much on it besides the odd EGR issue, looking at a 2017 (67 plate) for a potential long term keeper. I've seen quite a few examples of cars with the B47 doing over 150K miles which is an impressive amount in 4 years.

I'd gather by this stage most of the issues are sorted, still any feedback welcome.
Not sure what a "B47" is. N47 is the last diesel engine used until very recently. Is the B47 the new engine with similar block to the B46? It's only a year or two old in use.
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      12-22-2018, 08:44 AM   #3
Firaxis
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Quote:
Originally Posted by floydarogers View Post
Not sure what a "B47" is. N47 is the last diesel engine used until very recently. Is the B47 the new engine with similar block to the B46? It's only a year or two old in use.
https://en.wikipedia.org/wiki/BMW_B47

It's the updated 2015 onwards 2.0L diesel engine, I'd gather it's mainly used in Europe.
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      12-22-2018, 01:42 PM   #4
lacrimarum
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Xdrive models share the transfer case with 320i, and it's kinda weak for all that diesel torque. Some people experienced its malfunction at mileage of 60-100kkm. Some of them were very enthusiastic about skids and donuts on ice and snow, though
The engine itself seems to be quite reliable, I haven't heard about any specific issues whatsoever. But our specification is Euro-5, so it is possible it's a bit simpler in terms of ecology-related stuff in comparison to engines you have in Europe.
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