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      12-21-2016, 07:53 PM   #85
tempest.hazard
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Drives: 2014 335i xdrive 8at
Join Date: Feb 2015
Location: Louisville

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2014 335i, Drivetrain malfunction at approx 27000 miles.
Very excessive soot on tail pipes, pronounced engine bucking, engine would stall.

Cause: Bad injector.
Remedy: BMW replaced 1 bad injector and 1 fouled plug.
All good for 5 days then same problem, even more severe this time.
Cause: 2 bad injectors, don't recall the cylinder numbers I'd have to look at the paper work.
Remedy: BMW replace the 5 injectors remaining and 5 plugs.
All good from then on, at 31,000 miles now.
Always run Shell V Power 93 octane.
I drive in sport mode / manual mode 95 % of the time, 90 percent highway time at 65-75 mph.
Some fair amount of spirited driving as well.
Wondering if I should anticipate this cropping up in another 25,000 miles.
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Sort of like Mark Twain’s story…when he was fifteen he was surprised that his father had been able to live so long, considering how little he knew.