2007 BMW 328 NGK Iridium IX High Performance Spark Plug

Tiny
MARKCENTRAL66
  • MEMBER
  • 2007 BMW 328
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 75,000 MILES
I am looking to get the above spark plugs for my 07 BMW 328xi. Are they worth the money to enhance the other modifications on my car. (Cold air intake, performance muffler, computer power box). Please advise. Thanks Mark
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Saturday, June 12th, 2010 AT 8:44 PM

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Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Mark, I hate to say this, but you are probably wasting your $$. The engineers at BMW have worked out what is best overall for the cars they sell, and if they thought that more power/performance/reliability was available from the car, they would have given it. This is not to say an exhaust system or a cold air intake will not alter performance, it will, it usually decreases it, either by adding unneeded noise or allowing back pressure changes in the exhaust that have a domino effect on decreasing performance. I am and have been a staunch advocate of leaving the car stock, or as stock as possible. Upgrades in suspension or tires and wheels is a fair exchange for the money, or "bang for your buck" But when folks try to reinvent the wheel and spend their dollars on modifications that do little more than add to the pocketbooks of the aftermarket manufacturing crowd, it makes me cringe.
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Saturday, June 12th, 2010 AT 9:52 PM

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