UK / US Z4 Differences

Zed Head

Member
 St. Louis Missouri
I’ve noticed that UK M40i’s get the tricolor side emblem near the vent and tricolor markings on the seatbelt. US gets 42 more hp, because of looser smog restrictions… any other differences you have picked up on? :o
 
Zed Head said:
I’ve noticed that UK M40i’s get the tricolor side emblem near the vent and tricolor markings on the seatbelt. US gets 42 more hp, because of looser smog restrictions… any other differences you have picked up on? :o

surely a tune would sort out the extra 42hp?
 
SonnyA85 said:
Zed Head said:
I’ve noticed that UK M40i’s get the tricolor side emblem near the vent and tricolor markings on the seatbelt. US gets 42 more hp, because of looser smog restrictions… any other differences you have picked up on? :o

surely a tune would sort out the extra 42hp?

It would, and completely invalidate the warranty :tumbleweed: , these would be expensive if anything goes pop so not worth the risk imo
 
Argyll Andy said:
SonnyA85 said:
Zed Head said:
I’ve noticed that UK M40i’s get the tricolor side emblem near the vent and tricolor markings on the seatbelt. US gets 42 more hp, because of looser smog restrictions… any other differences you have picked up on? :o

surely a tune would sort out the extra 42hp?

It would, and completely invalidate the warranty :tumbleweed: , these would be expensive if anything goes pop so not worth the risk imo

How long is the warranty and you can get tunes which don't permanently change the car these days you just plug a device in and flick a switch from normal to tune, etc.
 
Warranty is 3 years…

BMW software tools can spot both plug-in tuner boxes and re-maps.

Depends how desperate you are for more go vs how risk averse you are IF something goes wrong..
 
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