BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > F20 Tire Alignment
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      11-18-2013, 10:23 PM   #1
westphone
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F20 Tire Alignment

I am simply wondering if a standard tire alignment of the F20 can be done NOT in our dealership. They charge us ~100 Euro for alignment only. They said only they have the parameters for the alignment.

I asked three shops, all have this alignment machines straight from Germany, but one answered yes, the other one no, yet the other one has to check.

What's your experience/opinion.

-----------------------------

They also charge us ~ 110 euro for the oil part of the oil change, luckily they allow you to bring your own (my word~)
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      11-19-2013, 12:33 AM   #2
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The tyre places I visit have F20 specifications. My only issue was that the technician I went to said the M135i was the same as all the other F20 M-sport suspended cars and used these settings. He also said the alignment was essentially correct so made no real changes.

A member on Baby BMW has M135i specific settings which he kindly forwarded to me.
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      11-19-2013, 05:13 AM   #3
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Quote:
Originally Posted by johnnydad View Post
The tyre places I visit have F20 specifications. My only issue was that the technician I went to said the M135i was the same as all the other F20 M-sport suspended cars and used these settings. He also said the alignment was essentially correct so made no real changes.

A member on Baby BMW has M135i specific settings which he kindly forwarded to me.
Do you mind sharing them here?
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      11-22-2013, 09:44 AM   #4
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Quote:
Originally Posted by 1bmwJ
Quote:
Originally Posted by johnnydad View Post
The tyre places I visit have F20 specifications. My only issue was that the technician I went to said the M135i was the same as all the other F20 M-sport suspended cars and used these settings. He also said the alignment was essentially correct so made no real changes.

A member on Baby BMW has M135i specific settings which he kindly forwarded to me.
Do you mind sharing them here?
Ditto please
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      11-25-2013, 12:56 AM   #5
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Front:

Total toe-in - 0deg 20' +/- 12'
Adjustment total toe-in - 0 deg 20' +/- 4'
Toe difference - max 12'
Camber - -0.53' +/- 30'
Adjustment camber - -0'53' +/- 25'
Toe difference angle - -1.33'
Castor angle - max 30'
Front wheel offset - 0 deg +/- 15'
Max steering angle - inner cornering wheel 39 deg 48'; outer cornering wheel 33 deg 36'

Rear:

Total toe-in 0 deg 18' +/- 12'
Adjustment total toe-in - 0 deg 18' +/- 4'
Camber - -1.45' +/-25'
Adjustment camber - -1.45' +/- 5'
Geometrical driving axis 0 deg +/- 12'
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      11-25-2013, 02:50 AM   #6
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Thanks. Very small caster angle on these cars. Only thirty minutes. For reference, an E30 M3 has more than 9 degrees.
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      11-25-2013, 05:05 AM   #7
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Quote:
Originally Posted by johnnydad View Post
Front:

Total toe-in - 0deg 20' +/- 12'
Adjustment total toe-in - 0 deg 20' +/- 4'
Toe difference - max 12'
Camber - -0.53' +/- 30'
Adjustment camber - -0'53' +/- 25'
Toe difference angle - -1.33'
Castor angle - max 30'
Front wheel offset - 0 deg +/- 15'
Max steering angle - inner cornering wheel 39 deg 48'; outer cornering wheel 33 deg 36'

Rear:

Total toe-in 0 deg 18' +/- 12'
Adjustment total toe-in - 0 deg 18' +/- 4'
Camber - -1.45' +/-25'
Adjustment camber - -1.45' +/- 5'
Geometrical driving axis 0 deg +/- 12'
Stock setup in wheels and suspension?
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      11-25-2013, 05:17 AM   #8
ovekvam
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If the caster angle is correct, it explains why the steering feel is rather vague on these cars. Maybe electric steering support has nothing to do with it. More caster angle increases the steering centering torque, making it easier to feel how much grip you have left.
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      11-25-2013, 07:51 PM   #9
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Quote:
Originally Posted by GeoBem007 View Post
Stock setup in wheels and suspension?
These are the BMW recommended settings for the M135i so yes, stock.

Quote:
Originally Posted by ovekvam View Post
If the caster angle is correct, it explains why the steering feel is rather vague on these cars. Maybe electric steering support has nothing to do with it. More caster angle increases the steering centering torque, making it easier to feel how much grip you have left.
The relative lack of caster and camber is how it feels. I had a 3 litre Legacy with similar stock settings - managing to increase castor and get -1.75 deg front camber made a huge difference to the sense that the front end was biting on turn-in, not to mention tyre wear.

I'd eventually like to find out how to do something similar to my 1er.
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      11-28-2013, 12:01 PM   #10
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Thanks for the info johnny!
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      11-29-2013, 05:05 AM   #11
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THANK YOU
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