Base Coupe qem wheel offset.

UncleScottie · 03-13-2009, 12:08 PM

I did a search but couldn't find the numbers. Does the base Z4 3.0si Coupe have the same offset front and back? I know the wheels and tires are the same (non-staggered), but the offset vary?

The reason I'm asking is that I have the Sport Package and have been thinking of downsizing. In my research I noticed the AC Schnitzer offers the combo of 8.5J x 17" offset 43mm front and 8.5J x 17" offset 33mm rear with the same 225/45R17 tires all around.

jmillet · 03-13-2009, 12:39 PM

Look up the specific model on realoem.com and click on Group 36 "Wheels". The offset is part of the wheel specification. For example: 8JX18 ET:42. In this case the offset (ET) is 42mm.

UncleScottie · 03-13-2009, 01:55 PM

Ok, it only shows one offset and a qty of 4 for the base coupe's 201 style wheels (8J x 17 ET46), so BMW uses the same offset at all 4 corners on the base Z4 3.0si Coupe. I wonder why AC Schnitzer chooses to use different offsets front and back when using the same wheel width and tire size at all 4 corners?

The Tire Rack has Enkei Racing NT03-M 17 x 8 wheels, but they only have a 38mm offset. I've always stayed within 5mm of the stock offset on my other cars and wasn't planning on varying from that on my Z4.

Most of my other aftermarket wheels (for makes other than BMW) have been Speedlines. Can anyone give opinions on Enkei, TR Motorsports, or LTW wheels?

vachss · 03-13-2009, 05:45 PM

Quote:

Originally Posted by UncleScottie

I did a search but couldn't find the numbers. Does the base Z4 3.0si Coupe have the same offset front and back? I know the wheels and tires are the same (non-staggered), but the offset vary?

The reason I'm asking is that I have the Sport Package and have been thinking of downsizing. In my research I noticed the AC Schnitzer offers the combo of 8.5J x 17" offset 43mm front and 8.5J x 17" offset 33mm rear with the same 225/45R17 tires all around.

Z4 Coupe wheel sizes and offsets are:

Sport Package: 18x8" ET47 Front, 18x8.5" ET50 Rear

No Sport Package: 17x8" ET47 All around

03-13-2009, 12:08 PM	#1
UncleScottie Private 4 Rep 52 Posts Drives: Z4 3.0si Coupe w/Sport Package Join Date: Mar 2009 Location: CT iTrader: (0)	Base Coupe qem wheel offset. I did a search but couldn't find the numbers. Does the base Z4 3.0si Coupe have the same offset front and back? I know the wheels and tires are the same (non-staggered), but the offset vary? The reason I'm asking is that I have the Sport Package and have been thinking of downsizing. In my research I noticed the AC Schnitzer offers the combo of 8.5J x 17" offset 43mm front and 8.5J x 17" offset 33mm rear with the same 225/45R17 tires all around. Last edited by UncleScottie; 03-13-2009 at 12:09 PM.. Reason: should be an"o" not a "q" in the title.
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03-13-2009, 12:39 PM	#2
jmillet Captain 63 Rep 666 Posts Drives: 2023 Hyundai IONIQ 6 SEL AWD Join Date: Aug 2007 Location: Seattle, WA iTrader: (1) Garage List 2023 HYUNDAI IONIQ 6 [0.00]	Realoem.com Look up the specific model on realoem.com and click on Group 36 "Wheels". The offset is part of the wheel specification. For example: 8JX18 ET:42. In this case the offset (ET) is 42mm. __________________ Jim Millet 2023 Hyundai IONIQ 6 SEL AWD Ultimate Red SOLD: 2007 BMW Z4 M Coupe Imola Red
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03-13-2009, 01:55 PM	#3
UncleScottie Private 4 Rep 52 Posts Drives: Z4 3.0si Coupe w/Sport Package Join Date: Mar 2009 Location: CT iTrader: (0)	Ok, it only shows one offset and a qty of 4 for the base coupe's 201 style wheels (8J x 17 ET46), so BMW uses the same offset at all 4 corners on the base Z4 3.0si Coupe. I wonder why AC Schnitzer chooses to use different offsets front and back when using the same wheel width and tire size at all 4 corners? The Tire Rack has Enkei Racing NT03-M 17 x 8 wheels, but they only have a 38mm offset. I've always stayed within 5mm of the stock offset on my other cars and wasn't planning on varying from that on my Z4. Most of my other aftermarket wheels (for makes other than BMW) have been Speedlines. Can anyone give opinions on Enkei, TR Motorsports, or LTW wheels? Last edited by UncleScottie; 03-13-2009 at 02:47 PM..
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