Recent content by Scarp

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    Z4 e85 N52B25 oxygen sensor problem

    Voltage of on of the sensors seems strange but that one I cahnged after making this video https://www.youtube.com/watch?v=SprrFBY7hs4
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    Z4 e85 N52B25 oxygen sensor problem

    I used bosch sensors never heard anyone had problems with them but it can happen :)
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    Z4 e85 N52B25 oxygen sensor problem

    Hi , Maybe you guys could help me recently I am having problems with oxygen sensors and somehow cant solve it. The exhaust is completely remade but the main idea how the car was made remains. There are still 2 sensors before the CAT and 2 sensors after the cat. I changed the rear oxygen...
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    Z4 E85 N52B25 performance upgrade

    As I found the N52B30 would be a good replacement they also make 4 versions of power but the 195 Kw would fit my car since it was mounted into E85/E86 2005-2008
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    Z4 E85 N52B25 performance upgrade

    My vin LW44075 bit there is no point in the papers is 130kw :)
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    Z4 E85 N52B25 performance upgrade

    I am not a break technician but I learned a lot with the last measurnemt it really matters if you measure on 4-5-6 Gear . On every yer he had to make the RPM settings and then run the measurment. The higher the gear the lower the power
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    Z4 E85 N52B25 performance upgrade

    the E85 has only 2,5i 2,5 Si belongs to the E89 in stock it was 130kw . And these videos dont tell anything they are just 4fun . The weight of the cables big battery sobwoofers instalation in the trunk amp makes a big difference . Big brakes I can see their wight in drag races but I dont...
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    Z4 E85 N52B25 performance upgrade

    No I dont measure like this I have the car 4fun :) the video is made with the roof down every roadster owner should try to 250 km/h with the roof down it makes a hell of a difference :D after the video I had a street race with an X6 4,0d and he had no chance ( I know X 6 with the weight and...
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    Z4 E85 N52B25 performance upgrade

    Thanks for the great advice to the first post and topic itself :D
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    Z4 E85 N52B25 performance upgrade

    The wheel horse power is less but every car producer etc writes engine power not wheel hp :) if its like that the car whold have stock what 130 whp ?
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    Z4 E85 N52B25 performance upgrade

    The other dyno run is on the video :) same resault
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    Z4 E85 N52B25 performance upgrade

    Here´s the dyno sheet
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    Z4 E85 N52B25 performance upgrade

    write them like 5 times yesterday I got a reply sorry we need a car to make a soft for the 2,5 N52 so no kit yet available . That was directly from ESS
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    Z4 E85 N52B25 performance upgrade

    The power was measured on 2 different dyno´s a year on from the other Both same resault :)
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    Z4 E85 N52B25 performance upgrade

    and for the 2,5 liter there is no supercharger I contacted ESS like 4 times they only have a kit for the 3,0 . As far as I have researched for the N52B25 there is no supercharger available . I could install a shrick cumshaft taht would give me another 20-30 HP but thats more of a racecar mod...
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