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Ding ding ding... The ECU is none the wiser. With BMW's, it thinks the car
Posted by: Lotus99 (276) on 2015-04-15 14:14:49 In Reply to: not with piggy posted by Malish on 2015-04-15 14:00:14	Share \| Report

is running in higher altitudes and therefore bumps up boost itself, because (in the most basic piggy) the TMAP sensor is tapped into.

Thread:

Interesting B8 S4 thread re: new $349 3.0TFSI piggyback option. (Audi content warning) - B_S373N 2015-04-14 23:33:59 (869 views)
- Not that new, been over a year since the first one hit the street, albeit in an A6. - JonS4 2015-04-15 13:28:51 (354 views)
- Isn't this along the same lines as the Neuspeed P-Chip? I'm with Malish and CanuckRS - Carmine_GT500 2015-04-15 10:17:46 (332 views)
- Interesting. Would like to see a before after dyno video - CanuckRS 2015-04-15 09:52:02 (368 views)
  - First dyno is in, no video tho - B_S373N 2015-04-22 22:46:03 (3180 views)
    - We are lucky on the 335 platform, on E85, you can expect a 50% power increase overstock! - Lotus99 2015-04-23 15:50:12 (317 views)
    - Nice result. Seems like a great deal. - CanuckRS 2015-04-22 23:40:19 (293 views)
- And in the BMW world at least, since they're just fooling the ECU - Lotus99 2015-04-15 02:46:10 (374 views)
  - IMO, whether it records a TD1 or not, nobody knows for sure - Tanner 2015-04-15 06:49:30 (355 views)
    - No we don't but we do know any thorough review of logs would show boost and fuel numbers - JonS4 2015-04-15 13:31:36 (326 views)
      - not with piggy  -  Malish  2015-04-15 14:00:14 (379 views)
        
        Ding ding ding... The ECU is none the wiser. With BMW's, it thinks the car  -  Lotus99  2015-04-15 14:14:49 (368 views)
        
        If that is the check, sure no detection. What if it's an out of range fuel cycle reading or boost  -  JonS4  2015-04-15 16:47:38 (306 views)
        
        Its all in-range otherwise it will throw a code.   -  Malish  2015-04-16 17:32:48 (292 views)
        
        You know, with the BMW N54 engines, initially BMW couldn't diagnose piggy's...  -  Lotus99  2015-04-15 17:55:06 (414 views)
        
        I hope they continue to perfect the art, I'm out of the closet on the S4 tune anway, warranty  -  JonS4  2015-04-16 10:21:25 (385 views)
        
        It's a cat-and-mouse game  -  Tanner  2015-04-15 21:00:08 (310 views)
        
        Not right now at least  -  Tanner  2015-04-15 14:37:19 (335 views)
        
        not with 100% accuracy and not without doing the detection on the ECU side instead of the diag  -  Malish  2015-04-15 14:43:18 (319 views)
    - I know, right? We need to start adopting some code words. :) - B_S373N 2015-04-15 08:06:14 (312 views)
      - Just dropped the car off for the scheduled service (currently at 85,000)  -  Tanner  2015-04-15 09:53:27 (400 views)
        
        Hahaha hope you get that resolved soon!   -  B_S373N  2015-04-16 09:21:34 (296 views)
        
        Apparently it has been resolved, so will have to keep an eye on it  -  Tanner  2015-04-16 09:33:07 (315 views)
- yup, been following it. Almost convinced. I'll wait for a few more people to try it :-) - Malish 2015-04-15 00:12:21 (375 views)

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