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Replace DME... will not rev past 3,000 rpm in any gear. 08 Boxster


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Main Issue - I inherited an 08 Boxster with a salvage title. The car does not rev past 3,000 RPM’s on any gear. I took it to Porsche dealership, they ran diagnostic and they gave me $5,500 estimate saying someone put in a DME from a Carrera 997 and thus they need to replace it and program it AND THEN run diagnostics again and see what else is wrong with car.

Other Details: Pictures of the collision from two years ago show damage to side of car...the body work was redone poorly. Side airbag not replaced, driver seatbelt not replaced. Currently the blinkers and windshield wipers don’t work. I don’t have an ‘official’ key or whatever, I insert the key and the dashboard lights up with all error codes etc and then after about 5 seconds the car turns on and runs fine except for not going past 3,000 rpm.  

Question: I am wondering how to replace/fix the DME cheaply or elsewhere. Can I buy a DME specific to my make and model and just replace that or do I need to replace whole set of unique VIN DME, Immobilizer, ignition, door handle lock etc? A set like this runs for about $700. I have an I dependent Porsche shop that will work with me to replace/Install. I am looking for any feedback I can get. 

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9 minutes ago, Kevin Correnti said:

Main Issue - I inherited an 08 Boxster with a salvage title. The car does not rev past 3,000 RPM’s on any gear. I took it to Porsche dealership, they ran diagnostic and they gave me $5,500 estimate saying someone put in a DME from a Carrera 997 and thus they need to replace it and program it AND THEN run diagnostics again and see what else is wrong with car.

Other Details: Pictures of the collision from two years ago show damage to side of car...the body work was redone poorly. Side airbag not replaced, driver seatbelt not replaced. Currently the blinkers and windshield wipers don’t work. I don’t have an ‘official’ key or whatever, I insert the key and the dashboard lights up with all error codes etc and then after about 5 seconds the car turns on and runs fine except for not going past 3,000 rpm.  

Question: I am wondering how to replace/fix the DME cheaply or elsewhere. Can I buy a DME specific to my make and model and just replace that or do I need to replace whole set of unique VIN DME, Immobilizer, ignition, door handle lock etc? A set like this runs for about $700. I have an I dependent Porsche shop that will work with me to replace/Install. I am looking for any feedback I can get. 

 

Welcome to RennTech :welcomeani:

The DME MUST be the correct one for the car, and the car’s keys, immobilizer, and DME must all be coded to work together. That will require access to the PIWIS system to complete, after which you will need to address all of the car’s system control modules to get everything successfully talking to each other.

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Can I buy something like this... and DIY install/replace all parts then take it to Dealership and have them program it?

WWW.EBAY.COM

2006 Porsche Boxster 987 Convertible 5 Speed Manual RWD(rear wheel drive) 2.7 VIN# WPOCA29836U710574. We take multiple pictures in an attempt to...

  

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