Black smoke with a bang after replacing fuel filter and pump

Tiny
JOLENE MENTOOR
  • MEMBER
  • 2006 BMW X5
  • TURBO
  • 4WD
  • AUTOMATIC
  • 110,263 MILES
I had the fuel injector system error coming up, as soon a I go an up hill the car switches out and everything pulls tight with lights all on, but there is white smoke visible then gone the next. Restart the error disappears and the cars goes driving fine again. It did this about five times. I took it in to the dealer they did a hoist check which revealed the fuel pump ad filter is faulty and needed replacement. They told me my injectors are fine, not even two days later the car does this again with a loud knock from the front and first white then black smoke coming out the exhaust.
what is wrong with my car? Mechanic telling me I need to replace the engine. I do not feel that is right.
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Friday, May 11th, 2018 AT 5:19 AM

2 Replies

Tiny
KEN
  • ADMIN
This sounds like you have a blown head gasket does the car over heat at all? Also, can you give me the codes that keeps coming up?

https://www.2carpros.com/articles/head-gasket-blown-test

and

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down these guides and report back.

Cheers, Ken
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Sunday, May 13th, 2018 AT 2:01 PM
Tiny
JOLENE MENTOOR
  • MEMBER
Thank you Ken, there is no warning lights coming on. The dashboard is clear. The black smoke actually smells like clean diesel.
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Monday, May 14th, 2018 AT 1:09 PM

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