Whp on my z3m roadster confusion

Duncan123

Duncan123

Zorg Addict
British Zeds
Joined
Feb 8, 2015
Points
59
Location
solihull
Model of Z
m roadster
just had my z3m s50 roadster on a dyno it produced 266 whp would this be about right? i used a basic converter whp to bhp and it comes out at 314bhp or is that wrong am i down a lot?
 
Not far off the mark as the power output was originally a little optimistic by BMW.
 
321bhp at the flywheel
 
They were 321 bhp out of the factory... to truly feel it though you need to be in the higher reaches of the revs. I am always blown away with my A5 and always consider it quicker than the Z3M under normal driving conditions, then I realise that there is another 5000 revs/half a pedal to go through and the power is awesome !!!
 
GazHyde said:
@Lee - can you post up your dyno sheet with your WHP figures if you get a chance please :)
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20150511_120108.webp
 
I think your car is screwed and should be thrown onto a ship to Canada before it pollutes the good name of the ///3M and devalues every other one in the UK. I can live with 266 hp but only to save you the embarrassment of owning such a dog of a car!! JIM
 
oldcarman said:
I think your car is screwed and should be thrown onto a ship to Canada before it pollutes the good name of the ///3M and devalues every other one in the UK. I can live with 266 hp but only to save you the embarrassment of owning such a dog of a car!! JIM
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just making arrangements for it as I'm am typing hahaha
 
well chuffed its running 314bhp ish at the crank. i always thought the dynos done bhp not whp but i surpose whp is what really counts next thing for the car is a soft top replacement rear window beading is quite bad not leaking but want it done before it does and a few bad wear marks on the top its self still not bad enough to leak but I'm a fussy bugger
 
Will it be done in time to get it to the ship on time @Duncan? I don't want people here thinking all the Zeds in UK are in poor condition. Your reputation is on the line here. JIM
 
oldcarman said:
Will it be done in time to get it to the ship on time @Duncan? I don't want people here thinking all the Zeds in UK are in poor condition. Your reputation is on the line here. JIM
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I should think so the interior is getting a re colour too I know you cant polish a turd but I am trying my best
 
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