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      06-05-2012, 02:12 PM   #1
-shane-
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Wheel Spacers

Whats the biggest spacer i can fit on my E90 without having to go longer wheel bolts
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      06-05-2012, 05:02 PM   #2
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That's exactly what I want to know and exactly what I forgot to measure earlier today as I want to fill my rear arches a little more than they are!
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      06-06-2012, 02:12 AM   #3
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Quote:
Originally Posted by -shane- View Post
Whats the biggest spacer i can fit on my E90 without having to go longer wheel bolts
You can't.

Not safely, anyway. Every mm of spacer you add is a mm less that the bolts can screw into the hubs. The bolts are only a couple of quid each, and compared to the cost of the spacers that is peanuts. Why compromise on safety?
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      06-06-2012, 02:22 AM   #4
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That's exactly what I want to know and exactly what I forgot to measure earlier today as I want to fill my rear arches a little more than they are!
I did a lot of reading before buying mine, and picked mine judging by the fitments of other members' wheels and spacers, going by what they reported as working or not. I have 15mm spacers fitted with the OE 18" wheels - taking the offset to ET22. Even after lowering I reckon they could have 20mm spacers fitted without any problems at all.

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      06-06-2012, 12:39 PM   #5
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Para, that is for the E91 right?

On an E90 I thought ET27 on a 9.5j rear wheel was the safe max running a 265 tyre. Anymore and it would rub?.... In fact I am sure of it.

(E92 is less)
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      06-07-2012, 02:44 AM   #6
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Quote:
Originally Posted by Awfully_Polite View Post
Para, that is for the E91 right?

On an E90 I thought ET27 on a 9.5j rear wheel was the safe max running a 265 tyre. Anymore and it would rub?.... In fact I am sure of it.

(E92 is less)
Maybe, but Para has MV3s which are only 8.5J with a 255 tyre.

I run 10mm on my LCI (which is already 12mm wider per side than pre LCI).

12mm spacers just rubbed in heavy compressions front and rear, but 10mm were OK, that seems the absolute limit for LCI E90/1 with staggered factory 18s. (8J ET34 front, 8.5J ET37 rear)

i.e. 10mm spacers for LCI

i.e. 22mm for pre LCI
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      06-07-2012, 02:47 AM   #7
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OP - as said, none really, the bolts are only as long as they need to be, so unless you're thinkinh of 1 or 2mm spacers (pointless) you'll need longer bolts.

The BMS spacers are top quality black alloy and they come with a full set of long bolts.

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Originally Posted by doughboy View Post
Maybe, but Para has MV3s which are only 8.5J with a 255 tyre.

I run 10mm on my LCI (which is already 12mm wider per side than pre LCI).

12mm spacers just rubbed in heavy compressions front and rear, but 10mm were OK, that seems the absolute limit for LCI E90/1 with staggered factory 18s. (8J ET34 front, 8.5J ET37 rear)

i.e. 10mm spacers for LCI

i.e. 22mm for pre LCI
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      06-07-2012, 03:04 AM   #8
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Quote:
Originally Posted by doughboy View Post
Maybe, but Para has MV3s which are only 8.5J with a 255 tyre.

I run 10mm on my LCI (which is already 12mm wider per side than pre LCI).

12mm spacers just rubbed in heavy compressions front and rear, but 10mm were OK, that seems the absolute limit for LCI E90/1 with staggered factory 18s. (8J ET34 front, 8.5J ET37 rear)

i.e. 10mm spacers for LCI

i.e. 22mm for pre LCI
the 8.5j and 9.5j is currently irrelavant, as the ET is measured by centre line. Since we know the factory OEM rear wheel offset is ET37 judging by your post you stated that 10mm was the most without rubbing. Taking it to ET27. which IIRC is exactly what I said for the E90.

Oh and O.P I agree with Doughy, any spacer you put on, will require new bolts.
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      06-08-2012, 03:39 PM   #9
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Quote:
Originally Posted by parapaul View Post
I did a lot of reading before buying mine, and picked mine judging by the fitments of other members' wheels and spacers, going by what they reported as working or not. I have 15mm spacers fitted with the OE 18" wheels - taking the offset to ET22. Even after lowering I reckon they could have 20mm spacers fitted without any problems at all.

Before:



After:

Paul have you just spaced the rear or front as well? I have 15mm for the rear (not fitted just yet) and was wondering if I didn't space the fronts as well it might look not right or handle crap (obviously I wouldhe get 4 wheel alignment to compensate in any case for handling.)
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      06-08-2012, 03:51 PM   #10
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Just the rears - with the 15mm rear spacer the fronts and rears now look the same.
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      06-09-2012, 11:51 AM   #11
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Were is best to get them from. Im looking to space my CSL alloys out a little, I think there ET27 on the rear but trying to find out.
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      06-09-2012, 12:09 PM   #12
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I have 10mm front and 15mm rear H&Rs on my pre-LCI E92. And yes, you deffo need new bolts.
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      06-09-2012, 12:48 PM   #13
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Quote:
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I have 10mm front and 15mm rear H&Rs on my pre-LCI E92. And yes, you deffo need new bolts.
Cool, Were is best to get them?
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      06-09-2012, 06:49 PM   #14
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Got the BMS 10mm and 15mm spacers and comes with the extended black bolts in stock

http://www.juiceduptuning.co.uk/shop_wheel_spacers.asp
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      06-09-2012, 07:02 PM   #15
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Quote:
Originally Posted by doughboy

Maybe, but Para has MV3s which are only 8.5J with a 255 tyre.

I run 10mm on my LCI (which is already 12mm wider per side than pre LCI).

12mm spacers just rubbed in heavy compressions front and rear, but 10mm were OK, that seems the absolute limit for LCI E90/1 with staggered factory 18s. (8J ET34 front, 8.5J ET37 rear)

i.e. 10mm spacers for LCI

i.e. 22mm for pre LCI
Agreed - I've got 12mm front and rear and I'm getting slight rubbing at the back under load.
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      06-11-2012, 11:55 AM   #16
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Cool, Were is best to get them?
I got mine from Performance Alloys - they know their stuf...
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      06-21-2012, 05:22 PM   #17
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Cheers Paul, I habe the BBS Motosport on mine, I think they are ET37 offset and I will go for 15mm rears and maybe 5mm on the front, i'll see.

Many thanks

Quote:
Originally Posted by parapaul View Post
I did a lot of reading before buying mine, and picked mine judging by the fitments of other members' wheels and spacers, going by what they reported as working or not. I have 15mm spacers fitted with the OE 18" wheels - taking the offset to ET22. Even after lowering I reckon they could have 20mm spacers fitted without any problems at all.

Before:



After:


Last edited by JTMR360; 06-21-2012 at 05:32 PM.
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      06-22-2012, 03:12 PM   #18
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Well, I took the plunge, I have ordered 4 x 20mm Bimmec hubcentric spacers as with the geo setup I have I think there is more than enough room.

I'll post up photos when I'm done
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      06-22-2012, 04:18 PM   #19
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So your going more than et27 in the rears? yea post up pics. All the best bud.
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      06-23-2012, 04:06 AM   #20
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Quote:
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Well, I took the plunge, I have ordered 4 x 20mm Bimmec hubcentric spacers as with the geo setup I have I think there is more than enough room.

I'll post up photos when I'm done
Gd luck! Keep us posted please!
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      06-23-2012, 04:25 AM   #21
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Quote:
Originally Posted by Awfully_Polite View Post
the 8.5j and 9.5j is currently irrelavant, as the ET is measured by centre line. Since we know the factory OEM rear wheel offset is ET37 judging by your post you stated that 10mm was the most without rubbing. Taking it to ET27. which IIRC is exactly what I said for the E90.

Oh and O.P I agree with Doughy, any spacer you put on, will require new bolts.
Eh? Am I missing something here? Of course the width is relevant! Just as important as the offset.

Lets take 2 wheels, both ET27, say 8.5J and 9.5J

On both wheels the CENTRE line will be in the same position relative to the vehicle, however, on the 9.5J wheel both rims will be 1/2 inch further out from that centre line (as the wheel is 1 inch wider)

So the 9.5J outer rim will be 1/2 inch closer to the arch and the inner rim will be 1/2 inch closer to the inner wing / strut.

Thus ET27 is only OK for a 8.5J max rear, it would rub the outer arch like hell with a 9.5J.
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      06-23-2012, 06:17 AM   #22
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Quote:
Originally Posted by doughboy View Post
Eh? Am I missing something here? Of course the width is relevant! Just as important as the offset.

Lets take 2 wheels, both ET27, say 8.5J and 9.5J

On both wheels the CENTRE line will be in the same position relative to the vehicle, however, on the 9.5J wheel both rims will be 1/2 inch further out from that centre line (as the wheel is 1 inch wider)

So the 9.5J outer rim will be 1/2 inch closer to the arch and the inner rim will be 1/2 inch closer to the inner wing / strut.

Thus ET27 is only OK for a 8.5J max rear, it would rub the outer arch like hell with a 9.5J.
Ahh Doughy... You are missing something. I did said, it is currently irrelavant since we we talking specifically about one wheel in particular. not all 8.5j wheels.

Not to worry though I have 3 sets of alloys, one for winter on for track and one for road. So I can no longer keep tabs.

You ran the spacers on the mv3's right? Hence clearly you are more knowledgable in this field.

Thanks for the input it is greatly appreciated.


regards.
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