Z4M exhaust bypass pipes.

fearless

Member
Afternoon all,

Has anyone got any M Backboxes bypass pipes that they never fitted and would like to sell. Warren Engineering still make them, but don’t have any M ones in stock and need more enquiries to make up a batch. So if anyone has some, or would like some, could you let me know and/or ping Warren Engineering an equiry.

Thanks.
 
Warren engineering say they would need half a dozen or so sets required to knock up a batch.

I don’t think the price has changed from the previous group buys at around £40 delivered
 
These should be easy to make lads with some 12v valves on them. Not sure if you could take a signal of the sport button to operate ?.
 
Bigpow said:
These should be easy to make lads with some 12v valves on them. Not sure if you could take a signal of the sport button to operate ?.

It’s only a piece of stainless pipe bent 90 degrees each end.
 
I fitted bypass pipes to mine and absolutely love them. They really enhance the original sound. Good luck guys :thumbsup:
 
srhutch said:
Bigpow said:
These should be easy to make lads with some 12v valves on them. Not sure if you could take a signal of the sport button to operate ?.

It’s only a piece of stainless pipe bent 90 degrees each end.

Yeah but if you fit the valves you can turn it off and on just in case it does drone 👍🏻
 
Yorkie Z said:
I fitted bypass pipes to mine and absolutely love them. They really enhance the original sound. Good luck guys :thumbsup:

I have them and really pleased too, no drone anywhere and it crackles and pops, what’s not to like for under £100 fitted :thumbsup:
 
As a new owner of a 35is would these pipes be compatible with my exhaust, I would be in if so
 
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