My 130i

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sixpistons
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Re: My 130i

Post by sixpistons » Sat Jun 24, 2017 5:36 pm

mikeyscott wrote:
Sat Jun 24, 2017 4:16 pm
Getting v tempted for a LSD....
Do it - you won't regret it. I'd thought about it for a long time. The car was generally ok before, but a stiff rear anti roll bar meant it could get scrabbly and the DSC could cut in abruptly especially leaving junctions quickly, or tight uphill bends, made much worse in the wet. This has fixed that. I'm sure in your 135i the benefit will be even greater with the extra torque.

It did feel a bit daft spending a fairly substantial sum on a 10 year old car with 120k miles, but it's cheaper than changing cars and I really don't know what I would replace it with that would be such an enjoyable all rounder.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

mikeyscott
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Location: Hampshire

Re: My 130i

Post by mikeyscott » Sat Jun 24, 2017 5:46 pm

Saw Kevin and James in Le Mans, coffee and at the camp. So will call them
135i E82 2011 AW, Birds B1 Dynamics Package, MPSS

sixpistons
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Re: My 130i

Post by sixpistons » Thu Sep 07, 2017 10:52 pm

I've spent more time than I'd like trudging up and down motorways recently and I had some brief thoughts of getting a more grown up car, the main reason being the amount of road noise. It's not terrible but it's certainly not as relaxing to drive as my old 3 series on long trips. Anyway, I know if I did sell I'd regret it, so I set about improving the noise situation and ordered some sound deadening. I just wanted to cut down tyre noise not lose the lovely exhaust note.

First, pulled the carpet out of the boot and the wheel arch sound proofing and put some Silentcoat deadening the metal surfaces, mainly around the arches and forward area of the boot floor. I ordered 1 packet and used just over half. On its own this makes very little difference but it prepares for the next step, which was to cover it in dodo mat. I laid this over the factory sound proofing, covering the arches, side of the boot and also behind the rear seat bolsters over the arch. The existing soundproof felt is a tight fit on the arches, this is 13mm thick it would never go back over if I laid it underneath. Had to make some adjustments to get the carpet to fit back but it did with a bit of swearing. Picture shows the work in progress. I should have taken more snaps really, the end result looked neater (honestly!)
boot soundproofing.JPG
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.

I'm pleased with the end result - I've not measured the difference but subjectively theres quite a big difference in the amount of road roar. It's only added maybe 5-10kg in weight and cost less than 100 quid, so worth a try if you want less tyre noise.

The rear tyres are about on the wear bars which will not have been helping, so a nice new pair of GY F1 asymmetric 3s will be fitted shortly - should be even better then.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

sixpistons
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Re: My 130i

Post by sixpistons » Tue Jan 30, 2018 10:58 pm

It's been an expensive month. Diff bearings shat themselves and were making a hideous noise, and the magnetic fill plug was absolutely loaded. Loads of rolling contact fatigue damage on the inner race of the output shaft bearing.
IMG_2928.JPG
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All is now pleasantly quiet. I also treated the car to an oil and filter change and fitted TheTyrant's camber plates I've had on the shelf for ages. Still need to get the toe checked but the steering feels really nice and sharp. Wheels now look a bit sunken so I might get some spacers to fill the arches a bit better.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

sixpistons
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Re: My 130i

Post by sixpistons » Mon Jul 02, 2018 10:46 pm

So after 127k miles the rear suspension was feeling tired and behaving unpredictably over uneven roads or when crossing the crown of the road. Two different garages have failed to diagnose the issue so I decided to go for a full refresh and ordered a full set of arms and bushes and balljoints - not cheap but less than 1 months payment on a new car, and there's no point having a fast car you don't have confidence in when pressing on.

The strip down begins...
image1.jpeg
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Found a dead ball joint in the wheel carrier with about 2mm of play. Everything else so far has felt ok, but I'm going to do the lot anyway as it'll need 4 wheel alignment after regardless. Hopefully it should feel a lot sharper again.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

sixpistons
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Re: My 130i

Post by sixpistons » Tue Jul 10, 2018 10:59 pm

Subframe looked pretty scabby so I while everything was apart I wirebrushed it, cleaned it and coated it in POR15. Absolutely vile job - the stuff is meant to be pretty awesome at what it does, and if the stuff sticks half as well to metal as it does to skin it should last forever. Whatever you do do not get it on your face because it won't f :censored: ing come off unless you remove the skin it's attached to. Anyway, car looks better for it, and I feel better knowing it should stop any further corrosion.
130i BMW subframe repaint.jpeg
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Rebuild happens tomorrow evening, then alignment on Friday.

Thankfully it's stayed dry so the silly car has been in use as a daily, but 4 hours on the motorway had me longing for aircon and a decent stereo.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

sixpistons
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Re: My 130i

Post by sixpistons » Mon Jul 16, 2018 10:40 pm

One final issue to resolve was the near side damper - the but seized and the stud snapped off when trying to remove it. Bugger. Anyway, I stuck the standard dampers in to get it roadworthy. I was steeling myself to have to buy at least one new damper but McEwans garage in Derby who did the alignment (highly recommend them, even though they’re a VAG/fiat specialist) also did a fine job of repairing the damper by drilling and tapping the end and then threading in and welding a new threaded section which saved me a packet on a pair of new Bilsteins.

Before: f :censored: ed
Bilstein broken end.jpeg
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After: Good as new :)
Bilstein Repaired.jpeg
Bilstein Repaired.jpeg (93.17 KiB) Viewed 107 times
Anyway the car is back on the road, wheels are pointing the right way and the way it drives is transformed - much more stable and predictable on uneven cambers and confidence inspiring when pushing on.
2007 130i, Birds B1, H&R anti roll bars, Quaife, THETYRANT’s camber plates

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