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Old 04-13-2010, 10:07 AM
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Do they make any performance parts for the X

Just wanted to know if they make any performance parts for an 07 X5 4.8? I looked at the Dinan website but they don't make anything for the E70. Does K&N make an air filter?
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Old 04-13-2010, 10:41 AM
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exhaust system BMW E70 X5 4.8i V8 '07 ??, exhaust system components BMW E70 X5 4.8i V8 '07 ??

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Old 04-13-2010, 01:26 PM
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Gotta ask....Are you equating a K&N air filter with increased performance? If so, why? I thought that the independent studies on reduced filtration efficiency pretty much relegated them to the status of a cosmetic upgrade.
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Old 04-13-2010, 05:54 PM
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The only one that I've found in the U.S. is the G-Power SuperCharger HP is increased from 355 to 450.

At $22K, it's a little bit more than I want to spend upgrading my 2008 X5 4.8i though....
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Old 04-13-2010, 08:43 PM
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Quote:
Originally Posted by eurogreek1 View Post
Just wanted to know if they make any performance parts for an 07 X5 4.8? I looked at the Dinan website but they don't make anything for the E70. Does K&N make an air filter?
Keep in mind that "performance" is fairly hard to quantify: as JCL points out the K&N air filter is pretty much a scam.

But the whole "performance upgrade" market is one of satisfying males' desires to spend money to make them feel good about their car. Tangible performance gains are secondary considerations in this market.
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Old 04-14-2010, 09:34 AM
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Quote:
Originally Posted by ard View Post
Keep in mind that "performance" is fairly hard to quantify: as JCL points out the K&N air filter is pretty much a scam.

But the whole "performance upgrade" market is one of satisfying males' desires to spend money to make them feel good about their car. Tangible performance gains are secondary considerations in this market.
What?

Performance can be quantified, there are machines built for that purpose. But yes, I agree, K&N air filter gains are negligible at best.

However, tangible performance gains are primary considerations for companies that make real performance parts. K&N air filters and aftermarket mufflers do not qualify as performance parts.... they might make the car "sound" faster. In that respect, you're right about the market for "those" companies.
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