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| D3 - Wheels and Tyres Refurbing, center caps, tyre brands, tyrefitters - discuss it here |
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#1
9th April 2014, 08:55 AM
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Not for D2? -- don't count me then
 I'd also suggest to check how old are they. Battery only lasts 2-3 years and I understand it's impossible to replace it. Is there a 'switch' to start the transmitter? Just curious... On your Audi sensors is there an expiry date?
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I'd rather drive on left 
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#2
9th April 2014, 04:34 PM
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Here's the skinny on the TPMS sensors
Battery Life - Generation 1 TPM sensors have a maximum battery life of 90 months after activation. (These are the sensors fitted to D3 A8/S8) Part number 4D0 907 275) Generation 2 TPM sensors offer a maximum of 120 months. However, Generation 1 TPM Sensor types are now supplied in Generation 2 style packages. The date stamp on the sensor is simply a manufacture date and new unactivated Beru TPM sensors can safely sit in their boxes on the shelf for many years without draining the battery life. New sensors are activated by having 25psi or more for more than 2 mins.
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Del 
Last edited by Delboy; 9th April 2014 at 05:42 PM.
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