I switched cars with my dad for a week, and he's been driving the X. Anyways, he told me today that while driving, there is a sudden loss of power and he has to stop the car and restart the engine...this is a potential disaster waiting to happen because you can be easily rammed from the rear. I'm pretty sure it has nothing to do with my recent intake install..so I wanted to get some ideas on why this could be occurring?

Thanks.

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(my whip)
'03 BMW X5 3.0i Titanium/Black
Options: (PP, SP, CWP, RCP, Lumbar, Nav, Xenons)
Mods: - 35% tint - V1 Hardwire - aFe CAI

'00 Mercedes E-320 4-Matic - mom
(Black/Charcoal)
'07 Lexus GS350 AWD - dad
(Smokey Granite Mica/Black)