# HELP! Loss of Power in my BMW Z3!

**URL:** <https://community.cartalk.com/t/help-loss-of-power-in-my-bmw-z3/5447>\
**Category:** Maintenance/Repairs\
**Tags:** z3, bmw\
**Created:** [October 3, 2007, 10:39pm UTC](https://community.cartalk.com/t/help-loss-of-power-in-my-bmw-z3/5447 "2007-10-03T22:39:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jpollan](https://avatars.discourse-cdn.com/v4/letter/j/a9a28c/32.png) [@jpollan](https://community.cartalk.com/u/jpollan)\
**Post date:** [October 3, 2007, 10:39pm UTC](https://community.cartalk.com/t/help-loss-of-power-in-my-bmw-z3/5447/1 "2007-10-03T22:39:05Z")

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I have a 1999 BMW Z3 with the 2.3 five speed and 6 cylinder engine. about 2 months ago the engine seemed to be running rough and lacked the normal power and fuel economy i’ve been used to getting.  
  
  
  
 I replaced the air filter and all the spark plugs, and the problem seemed resolved. now we’re back to the same sort of trouble and i don’t know what to do. Loss of Power and somewhat of a sputter. perhaps a fuel injector problem?  
  
  
  
 Any ideas?