X5 3.0 ignition question

[vnlecom]

Has anyone here ever tried/used bavauto.com's replacement ignition coils? Supposedly made better with better resulting gas mileage/throttle response?

[noncom23]

Performance Brakes Drivetrain Exhaust Intake/Induction Performance Ignition Short Shift Kits Suspension
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showing products for 2006 X5 3.0i.

(Click for a larger image) The core windings inside these coils have been modified to increase firepower and promote a faster, more efficient burn. This gives your BMW increased torque in the lower range of RPM and more horsepower in the upper range. Exact improvements depend on the current condition of your BMW's engine, but you'll definitely feel the difference. They'll also improve your fuel economy. Plus they come with new spark plug boots, making them an even better value. Installation is a simple, do-it-yourself procedure that takes about 30 minutes. Instructions included.
Part Number Description Price Qty. 5004 6 Bavarian Autosport High-Performance Ignition Coil Set - Set of 6
ON SALE! $233.95
Reg. $259.95)