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      01-13-2014, 11:21 PM   #233
pandusr
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Drives: BMW Z4M Roadster ESS CFR 525
Join Date: Mar 2012
Location: Italia

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Quote:
Originally Posted by gmd2003 View Post
Well I have no cats and still have the limp.......
Ok! Then mine is a randomness. I had thought of exhaust gas temperature sensor with inconsistent readings with ecu.

Quote:
Originally Posted by gmd2003 View Post
...... Talked to Roman today and he says the fix they implemented was installing a true vacuum pump for the brake booster system . I don't understand why this works when placing a check valve does not ???? Anyway it HAS NOT been track tested yet , so I'm pretty skeptical at this point . They installed it on the EAS shop car . I hope they really beat on it like I do to see if this works lol .
George
I'm stumped too. VF Kit 570 has vacuum pump? I don't think so. Because they have no limp mode?

Gabriele
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Z4M E85/2006 || ESS CFR525 || AEM Water / Methanol Injection Kits || Supersprint Exhaust (catless,XPipe,rear exhaust race) || 4.10 || front brake AP Racing 6 piston kit (cp5575-1010) || K-Sport suspension with camber plates || Sparco Pro2000 seat || 6 pti Sparco belts -|| Hankook S1 EVO 1 (front 245/35 19 - rear 275/35 19) || OZ Racing Ultraleggera HLT 19"
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