Z4 models - Si

Si means the facelift models fitted with 2.5 or 3.0l N52 engines, in place of the earlier M54 engine range.
 
Also to add, if you're looking for a coupe, they're all si

It's perhapse more confusing with the roadsters as they overlap. Basically pre-facelifts were referred to as just "i" and post facelift referred to as "si". In terms of age thats 2003 to 2006 pre-facelift (just "i") and then 2006 to 2008 which is facelift (and "si")

Take a look here for visual differences between the two (very first part of the thread) https://z4-forum.com/forum/viewtopic.php?f=49&t=107556
 
kis said:
Also to add, if you're looking for a coupe, they're all si

It's perhapse more confusing with the roadsters as they overlap. Basically pre-facelifts were referred to as just "i" and post facelift referred to as "si". In terms of age thats 2003 to 2006 pre-facelift (just "i") and then 2006 to 2008 which is facelift (and "si")

Take a look here for visual differences between the two (very first part of the thread) https://z4-forum.com/forum/viewtopic.php?f=49&t=107556
Click to expand...

Apart from the coupe’s which are “M” models that is :P
Rob
 
kis said:
Also to add, if you're looking for a coupe, they're all si

It's perhapse more confusing with the roadsters as they overlap. Basically pre-facelifts were referred to as just "i" and post facelift referred to as "si". In terms of age thats 2003 to 2006 pre-facelift (just "i") and then 2006 to 2008 which is facelift (and "si")

Take a look here for visual differences between the two (very first part of the thread) https://z4-forum.com/forum/viewtopic.php?f=49&t=107556
Click to expand...

Not true, there is a facelift 2.5i and a 2.5Si
 
The Si models are all post-facelift, 2006 on.
They are the more powerful versions of the 2.5i and 3.0i (which, in turn, are less powerful than the pre-facelift 2.5i and 3.0i models they replaced). Most Si cars will be Sport spec, but there are some SE spec about too.
 
Sidewaze Samm said:
The Si models are all post-facelift, 2006 on.
They are the more powerful versions of the 2.5i and 3.0i (which, in turn, are less powerful than the pre-facelift 2.5i and 3.0i models they replaced). Most Si cars will be Sport spec, but there are some SE spec about too.
Click to expand...

There is no facelift 3.0i they are only Si
 
:fuelfire: :poke:
Sorry just to get it going have to post this...
"Even from its introduction in 2006, the Coupé was relatively rare: In its first 13 months on the market, the roadster outsold it at a ratio of 7 to 1.[46] For the UK 3.0si coupe model, 1598 cars were produced with an manual transmission and 1998 cars with an automatic transmission."
 
Z4 COUPSTER said:
Sorry just to get it going have to post this...
"Even from its introduction in 2006, the Coupé was relatively rare: In its first 13 months on the market, the roadster outsold it at a ratio of 7 to 1.[46] For the UK 3.0si coupe model, 1598 cars were produced with an manual transmission and 1998 cars with an automatic transmission."
Click to expand...

That's not right - tnoyz4c put a database together and he's got far more manuals listed than autos! :headbang:
 
Mr Tidy said:
Z4 COUPSTER said:
Sorry just to get it going have to post this...
"Even from its introduction in 2006, the Coupé was relatively rare: In its first 13 months on the market, the roadster outsold it at a ratio of 7 to 1.[46] For the UK 3.0si coupe model, 1598 cars were produced with an manual transmission and 1998 cars with an automatic transmission."
Click to expand...

That's not right - tnoyz4c put a database together and he's got far more manuals listed than autos! :headbang:
Click to expand...
I was more interested in the 7 to 1 v roadsters lol.
Blame Wiki
 
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