Z3

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   Help ! Got a problem  z3 had a new aftermarket back box fitted (cat back stainless) since then car misses a beat every now & then occasionally cuts out when I'm at a standstill, feels a bit lumpy at the same time then clears itself, spoke to top gear exhausts they say it's nothing to do with exhaust , anyone have a clue? Many thanks Paul 

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LaZy b Members Profile Send Private Message Find Members Posts Add to Buddy List Forum Member Joined: 04 Feb 2017 Location: Bushey Status: Offline Points: 2	Post Options Post Reply Quote LaZy b Report Post Thanks(0) Quote Reply Topic: Z3 Posted: 25 Feb 2017 at 2:44pm
	Help ! Got a problem z3 had a new aftermarket back box fitted (cat back stainless) since then car misses a beat every now & then occasionally cuts out when I'm at a standstill, feels a bit lumpy at the same time then clears itself, spoke to top gear exhausts they say it's nothing to do with exhaust , anyone have a clue? Many thanks Paul

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ZGreen Members Profile Send Private Message Find Members Posts Add to Buddy List Club Member Joined: 25 Oct 2015 Location: Northants Status: Offline Points: 45	Post Options Post Reply Quote ZGreen Report Post Thanks(0) Quote Reply Posted: 09 Apr 2017 at 10:47am
	Well its natural for them to say its no fault of the Exhaust which it may not be, but previous experience with Stainless Exhausts they do seem to alter the characteristics of the car. I would think the first thing to do is get the emissions tested, Check the Lamba Sensor, could have been disturbed by the exhaust fitting.