Mesh grilles
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From: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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From: Thousand Oaks, California
My Ride: 2008 550i Jet Black on Black Leather, SAT with Paddles, Logic 7, Comfort Seats, NAV, Sport Package, PDC, Xenons, Sirius, Trinity 12W LED Angel Eyes, RPi GT Exhaust, M rear spoiler, ACS Roof Spoiler, Tinted Tail Lights, Bimmian Carbon Fiber Pillar Trim, Bimmian Shadow 550i emblem, RPi Scoop, E60 Forum Cling, Mtec bulbs in fog lights, Mtec 2W LED for License Plate Light Bulbs, K&N Filter, Bimmian LED Smoked Side Markers, Blackout roundels, Carbon Fiber Kidney Grills.
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Along the lines of this argument I would also say a dirty car would be slower due to increased aerodynamic drag....it just seems to be of SUCH a small consequence that it is most likely immeasurable! 
I would guess that proper tire inflation would gain all and more of ANY power loss due to a small amount of turbulence created by a mesh grill! 
I would guess that proper tire inflation would gain all and more of ANY power loss due to a small amount of turbulence created by a mesh grill!
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Joined: Aug 2008
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From: Zoo York
My Ride: Alpine White 2006 530Xi (SLD)
Why would mesh create any more turbulence than the vertical slats in the OEM grille??? 
Methinks this is a retardedly easy answer: there's no friggin' way that a mesh grille will rob any power. And to prove my point, you should dyno with and without the mesh
Methinks this is a retardedly easy answer: there's no friggin' way that a mesh grille will rob any power. And to prove my point, you should dyno with and without the mesh
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From: SFC, Cali... soon to be Seattle :(
My Ride: '04 Jet Black
Once upon a time it had chrome wheels... 'til i joined this forum :)
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From: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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From: Brea, CA
Along the lines of this argument I would also say a dirty car would be slower due to increased aerodynamic drag....it just seems to be of SUCH a small consequence that it is most likely immeasurable! I would guess that proper tire inflation would gain all and more of ANY power loss due to a small amount of turbulence created by a mesh grill!
I would guess that proper tire inflation would gain all and more of ANY power loss due to a small amount of turbulence created by a mesh grill!