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#1
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TPM not reliable
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#2
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Quote:
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-2010 X5 / / / M "Monte Carlo Blue" -2004 X5 4.4i DINAN Stage II |
#3
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BMW has gone to actual tire pressure monitoring. I have it on my 2008 535i, with pressure transmitters in each tire.
I had the wheel-speed sensing system on previous BMW models, and never had a problem. It detected 3-4 psi drops, generally. May be something wrong with your vehicle.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#4
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Could be a bad sensor....also keep in mind that it takes into account the other tire readings as well. It will trigger with about a 5 psi difference when detected. So check the pressure of your other tires. If all of them are low, that's why you are not getting the alert........Phil
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2011.5 Dinan ///M3: SSII DCT Competition Pkg Convenience Pkg Premium Pkg 2 Heated Seats Enhanced Premium Sound Black Kidney Grills BMW M Performance Steering Wheel BMW Carbon Fiber Performance Spoiler BMW Aluminum Pedals Dinan Exhaust Dinan Mid-Exhaust (x-pipe) Dinan Carbon Fiber Intake Dinan Performance Tune Dinan Pulley Kit Dinan CH-R Wheels Dinan Carbon Fiber Strut Tower Braces Arkym Front Lip Carbon Reflectors Lux H8 V3 Brembo 365mm BBK |
#5
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#6
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I don't quite trust mine either after a couple were 5 below the others when it was near new, but I have yet to do the simple test of deflating it and seeing if it alerts me. Also make sure it is reset after you pump it.
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'08 X5 3.0si - Alpine White / Saddle Brown interior Specs: Sport Pkg, Premium Pkg, Tech Pkg, Comfort Access, Aero Kit, Style 433 staggered 20s on Conti DWS Mods: Carbon 35 tint, LED angel eyes, GP Thunder 7500k fogs, H&R 20mm/25mm spacers, clear reflectors, gunsmoke-tinted taillights Coded: Digital speedo, windows/sunroof/tailgate close via keyfob X5 pics at Flickr |
#7
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what did the dealer say>?
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Christiaan.... 2008 4.8i |
#8
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Haven't been there yet.. I'm going to book it in for Wheel alignment , get the foggginess inside my headlights checked , rear hatch springs looked at and TPM checked out at the same time..I did get a software update last time... the TPM did work well before...the latest software update has also slowed the response time when using my USB ipod quite considerably....
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