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Discussion Starter · #1 ·
Hi all

My car (F10 saloon) has been pulling to the left for quite some time (it's not horrendous but its there, and since I do a 600 mile commute every week I prefer to not have it) but I've only just now found the time to deal with it.

During this time its had 2 sets of brake pads all round and 2 complete set of new tyres! I recently just put another complete set of tyres on (I now do 24k miles pa).

My BMW Independent Specialist near where I work in Southampton has a Hunter Wheel Alignment machine which various people have highly recommended for testing on BMW's as it has specific software written for the BMW? I'm gonna assume that's true as the Hunter website also states this.

The Independent garage first did a visual before recommending they did the wheel alignment. Their visual inspection noted that;

R & I Front coil spring
Replace both front tension strut bushes
Replace front L & R struts (if required)

They have said that the front n/s coil spring is mounted upside down? Is this even possible? I thought the coil could be mounted either way round like a motorcycle spring! It was mounted by ATS Euromaster who made a total f**k up when installing both springs 2-3 years ago so it wouldn't surprise me! But looking for confirmation on spring orientation.

And that both front tension strut bushes need replacing, however the car just passed it's MOT less than 3 weeks ago with no advisories!

Any advice/tech knowledge will help me when I speak to the independent again. as the bill for this work is nearly £500 and closer to £850 if they also need to fit new tension struts!

Many thanks

Stevo
 

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Got to be honest I haven’t known front springs to need correct orientation,but it may well be shaped differently on an f10. Doubt it though.

what’s the reason for replacing the parts listed above have they given you details of what’s wrong?

when my f11 had slight steering pulling it was an alignment issue, but was a bit fiddly for them to set up correctly. Car has to be weighted with some ballast blocks to a certain amount. They they adjusted front as it was slightly out,the back was the tricky part to get spot on. It had been aligned before but still pulled. I suspect it wasn’t done correctly previously.

also what tyres do you have? If it’s run flats they can cause horrible feel and pull of steering
 

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Discussion Starter · #3 ·
Hi & thanks.
They said the bushes look slightly worn!? I've fitted 4 x Pirelli Cinturato P7 Run Flat.

What pressures do you run at. I've always been at around 33 or 34psi all round, but I noticed after I collected my car and checked they up'd the pressure to 27.5psi all round. It did improve the pull a little, but ultimately its still there.
 

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Going from personal experience mine had the cinturato on the front and some good year run flat on the back. I swapped front to rear and found the feel on front end to be better. Although still not the same as conventional rubber.

I would be sceptical about their diagnosis to be honest as they appear to be hedging their bets with that list of items in the hope it will resolve it,have you got anywhere else you can take it for a 2nd opinion?



pressure wise I just stuck to what the label said I didn’t try testing different pressures.

after proper alignment it felt much better and didn’t pull but it still wasn’t quite right which I put down to the run flats. I did intend swapping to conventional tyres but ultimately got an offer on the car I couldn’t refuse so sold it. I will however be getting another f10 or f11 in the spring and if it has run flats they will be going as I suspect they are the cause of most steering,handling and noise issues.
 

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Hi, if it’s passed it’s mot with no advisories I’m not sure why he would need to replace parts, if anything was worn it should have shown up in an mot

The Hunter system is probably the best in the business but ultimately it comes down to who is setting the car up & have they set the car to rwd or xdrive settings as I’m sure these are different

I would contact a local BMW dealership & ask them about checking the geometry, they might do a free check and only charge if it’s out, in theory they should know how to set one up correctly if it needs to be weighted or not
Hope you get it sorted mate 🤞🏻
 

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I would nip to a local garage and just check front tracking for a cheap fix.
It's unlikely to be rear alignment to make it pull significantly at the front IMO but I admit I'm no expert.
Are you getting uneven wear on the fronts?

Sent from my SM-G960F using Tapatalk
 

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Discussion Starter · #8 ·
I would nip to a local garage and just check front tracking for a cheap fix.
It's unlikely to be rear alignment to make it pull significantly at the front IMO but I admit I'm no expert.
Are you getting uneven wear on the fronts?

Sent from my SM-G960F using Tapatalk
No uneven wear on the previous fronts, and 6k on the new tyres and no signs of uneven wear! I've printed off the MOT with no advisories and am going to ask them politely on Monday why they believe this fix is the fix. I agree that I think they are hedging their bets (but I'm no expert and stranger things have happened)!

Imagine spending nearly £1K and no fix is made!
 
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