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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > HPFP failure FAQ!



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      10-05-2016, 03:57 PM   #1255
bigdnno98
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One thing I will recommend to all of you is to not run your fuel tanks all the way to E. My buddy was a BMW master tech and now owns his own shop. My second HPFP just went out and that's what he advised me of. And in fact, I had ran it to E a couple times lately because I was running e60 and the station I use to get my ethanol is across town.
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      10-05-2016, 10:48 PM   #1256
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Quote:
Originally Posted by bigdnno98 View Post
One thing I will recommend to all of you is to not run your fuel tanks all the way to E. My buddy was a BMW master tech and now owns his own shop. My second HPFP just went out and that's what he advised me of. And in fact, I had ran it to E a couple times lately because I was running e60 and the station I use to get my ethanol is across town.
I have a KTM 350 fuel injected with the fuel pump in the tank and they also recommend not running your tank too low because they say the fuel is what cools the pump
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      10-20-2016, 02:17 PM   #1257
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After I recently changed my sparkplugs all of a sudden I immediately started to get engine shaking/running rough and occasional hard starts. 71K, could it be HPFP?
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      11-03-2016, 01:13 PM   #1258
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More likely something you did. Like not getting the coils on
tight or plugs not gapped right or not correct.
Scanner is required to find out which ones.
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