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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums Regional Forums UK Primacy 3 tyres lasted 28k miles. Wear on outside
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      03-07-2017, 05:33 AM   #1
AP
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Primacy 3 tyres lasted 28k miles. Wear on outside

Car M.O.T'd yesterday. I knew the tyres were getting close to being replaced. The M.O.T. picked up and stated there was 5mm tread in the middle with 2 and 3 mm on the edges of the front tyres.
Suggests to me the tyre pressures were perhaps on the low side wit the sidewalls taking most of the strain?
Pressures were also 2.3 bar for the first few years followed by 2.4bar for the last couple.
having said all that, 28K miles isn't too bad.
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      03-07-2017, 06:48 AM   #2
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Quote:
Originally Posted by AP View Post
Car M.O.T'd yesterday. I knew the tyres were getting close to being replaced. The M.O.T. picked up and stated there was 5mm tread in the middle with 2 and 3 mm on the edges of the front tyres.
Suggests to me the tyre pressures were perhaps on the low side wit the sidewalls taking most of the strain?
Pressures were also 2.3 bar for the first few years followed by 2.4bar for the last couple.
having said all that, 28K miles isn't too bad.
You are on 19" wheels aren't you? I run 2.45bar setting pressure on my 18" front wheels and that just balances the wear pattern.

Don't you suffer some tramlining in your car? That also can be an indicator of low working pressures.
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      03-07-2017, 07:24 AM   #3
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Mine are on the same tyres and I think 28k is good. I think with the correct tyres pressures it could've been stretched to about 36k. And that's maximum before they are worn out.

They are in my view very competent all round tyres,

Wear
Price
Sound noise
Wet grip

I will be replacing again with the same.

I've used on other bmws Bridgestone, good year Michelin, continental and found michelins used the BMW characteristics well esp the f10.

HighlandPete

I have 19's

What pressures do you recommend. I normally travel alone.

Front and back pressures I have always struggled with.

Many thanks

Regards

Sp
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      03-07-2017, 09:44 AM   #4
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I am on 19" I run 36PSI front 37 Rear.
Michelin tyres, no problems.
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      03-07-2017, 11:17 AM   #5
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Quote:
Originally Posted by HighlandPete
Quote:
Originally Posted by AP View Post
Car M.O.T'd yesterday. I knew the tyres were getting close to being replaced. The M.O.T. picked up and stated there was 5mm tread in the middle with 2 and 3 mm on the edges of the front tyres.
Suggests to me the tyre pressures were perhaps on the low side wit the sidewalls taking most of the strain?
Pressures were also 2.3 bar for the first few years followed by 2.4bar for the last couple.
having said all that, 28K miles isn't too bad.
You are on 19" wheels aren't you? I run 2.45bar setting pressure on my 18" front wheels and that just balances the wear pattern.

Don't you suffer some tramlining in your car? That also can be an indicator of low working pressures.
yes 19 inch.
remember the discussions from probably getting on for 2 years back and have ever since run 2.4 bar all round. (the sticker on the car recommends 2.3 for 1 person in the car)
I can only summise that the air pump I am using may be under reading a tad causing more wear on the sides rather than evenly across)
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      03-07-2017, 12:15 PM   #6
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Quote:
Originally Posted by JOHNBMWM5 View Post
I am on 19" I run 36PSI front 37 Rear.
Michelin tyres, no problems.
Hi John

I am running 36psi front and back. Should the back always have a little more than the front? And am I running any danger by running the same pressures all round?

Thanks
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      03-07-2017, 12:36 PM   #7
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Quote:
Originally Posted by Sp123 View Post
Hi John

I am running 36psi front and back. Should the back always have a little more than the front? And am I running any danger by running the same pressures all round?

Thanks
No not really I carry golf gear in mine so it needed a bit more.
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      03-12-2017, 05:11 AM   #8
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Quote:
Originally Posted by JOHNBMWM5 View Post
Quote:
Originally Posted by Sp123 View Post
Hi John

I am running 36psi front and back. Should the back always have a little more than the front? And am I running any danger by running the same pressures all round?

Thanks
No not really I carry golf gear in mine so it needed a bit more.
Thanks John!
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      03-15-2017, 07:40 AM   #9
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My tyres are on the BMW recommended 29 front and 32 back. Judging from this thread, looks like I should put it to 36 all round.

Agree with Michelin Primacy 3, on my previous Accord, I got 36000 miles and they still had 3-4 mm at the point of sale.
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