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What is FTM?
#1
Posted 05 August 2004 - 07:47 PM
FTM stands for the Flat Tire Monitor. As air leaks, tire pressure decreases, and the tire rotates faster. ABS sensors on the wheels detect a change in wheel rotation speeds, which signifies a change in the roll radius, or pressure level, of the tires. A warning light in the instrument panel notifies the driver of the pressure loss. In case of significant pressure loss, a warning buzzer sounds.
If you have any additions or comments please post them below for other forum members and web site visitors to read.
Mark aka Lomag
http://www.5series.net
2004 Mystic Blue 545i, Steptronic, Gray Leather Interior with Anthracite Maple Wood Trim, January 2004 Build, CIP 27.1
Sport Package, Logic7, Comfort Seats, NAV, PDC, Cold Weather Package, Sun Shades, Fold Down & Heated Rear Seats, Bluetooth, MP3 Playback
Mods: M-Aerodynamic Package, 19" Style #166 M5 Rims: 245/35/19 Front & 275/30/19 Rear, Hard-Wired V1, PIAA 4700K Fog Lights, AngeliBright v2.0 White Angel Eyes
#2
Posted 20 February 2005 - 10:52 PM
#4
Posted 21 February 2005 - 08:23 PM
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'09(LCI) 120i Alpinewhite M-Sport Sports Tourer
Previous: '07(LCI) 530dA M-Sport Touring, '05 530dA Touring
#6
Posted 12 May 2005 - 10:52 PM
2005 530i JETBLACK/BLACK DAKOTA, COLD WEATHER PKG, PREMIUM PKG, ADAPTIVE XENON HEADLIGHTS, AUTO TRANSMISSION WITH 6 SPEED STEPTRONIC, BLUETOOTH SETUP,SAT SETUP AND WIFE AS CO-PILOT 5/5 euro reflector, 11/30 combi carseat for my new navigator..captain elyse!!2/21 chrome grill 3/7 34% tint all 7 windows
#8
Posted 30 August 2005 - 04:51 PM
Lomag, on Aug 5 2004, 05:47 PM, said:
FTM stands for the Flat Tire Monitor. As air leaks, tire pressure decreases, and the tire rotates faster. ABS sensors on the wheels detect a change in wheel rotation speeds, which signifies a change in the roll radius, or pressure level, of the tires. A warning light in the instrument panel notifies the driver of the pressure loss. In case of significant pressure loss, a warning buzzer sounds.
If you have any additions or comments please post them below for other forum members and web site visitors to read.

So there are no individual sensors mounted within each wheel? My Acura MDX had sensors on the valve stem so when I switched to aftermarket wheels, I had to make sure the sensors would fit on the new wheels. I guess I want to confirm that I don't have to worry about doing that when I replace the wheels on my BMW.
Engine: ESS/RPI Stage 2 Software | RPI Ceramic Coated Headers + GTS Exhaust + Ram Air Scoops + Pulley + Oil Cooler | Dinan High Flow Intakes | ///M Sprint Booster
Wheels, Susp & Brakes: Neez QD7s Hyper Black 20x9-10 | PS2s | KW V3s | Dinan FRC + Rear Sway Bar + Front & Rear CF Strut Braces | Brembo 380mm BBK
Exterior: Vorsteiner Trunk Spoiler | Hartge Splitter + Diffuser | CF Lower Mirror Cover | Full CF Side Gills | 3M Clear Bra
Interior: RDSport Alum Pedals | Hardwired V1
Lighting: Eurospec Headlights w/Clear Corners | Eurospec Smoked LCI LED Taillights | MTEC V2 | Bimmian Int Xenons
#9
Posted 30 August 2005 - 05:10 PM
The key thing to remember is that anytime you change wheels, tires, or pressure, make sure all four tires are set to the pressure you want and then re-initialize the system so it learns the new setup...
2004 Alpine White 545i SMG -- gone but not forgotten!
Miss you JDN!
#10
Posted 25 September 2005 - 07:48 PM
Any comments on that?
thanks. (i dont know if this is the right place to ask that question)
Previous bmws:
BMW 525I 06 (OCt., week 40) Monaco Blue [/color]/ Grey interior, Primium+Sport+Cold weather pkg, automatic, Adaptive lights. extended light package, Play MP3, OEM GoodYear NCT RF 17. BlueTooth works with MOTO E815. Start/Stop Switch"Her birthday Nov. 5 (
her linky
E46 - 2000 silver titaniun / black interior 4 doors -- ]ZERO MOD
E39 - 2002 silver titaniun / black interior --ZERO MOD
E60 - 2004 Mystic blue / grey interior -- ZERO MOD -- except red-reflectors
E60 - 2006 monaco blue / grey interior -- ZERO MOD -- except red-reflectors
E60 - 2008 space grey / black interior -- ZERO MOD
E60 - X-drive - 2010 space grey / black interior -- ZERO MOD
#11
Posted 25 September 2005 - 08:32 PM
2004 545i | SMG | White/Black | Sport | NAV | Logic 7 | PDC | Fold-down Seats | Adaptive Headlights | Cold Weather Pkg | Autobahnd Not-So-Clear Bra SUCKS! - I'm Now Bra-less!| Mud Flaps (front) | Bluetooth | Coat Hangar | Aux Input | All Weather Mats | 18"X8.5" BBS RK w/ Michelin Pilot Alpin's (winter) | New steering rack @ 1.2K & 17K miles| Software V21.02 | NEW Dunlop RF's (Thanks BMWUSA) | M-Tech Rear Bumper | B&B Exhaust
#12
Posted 11 March 2006 - 04:44 AM
#13
Posted 12 March 2006 - 04:37 PM
mark.china, on Mar 11 2006, 10:44 AM, said:
The system is working correctly with the newest software.
Those problems are solved.
#14
Posted 09 October 2006 - 02:42 PM

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