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The 130i Thread

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Exhaust Rattle

Hello my 130i has started having a random rattle at low revs that I think is related to the exhaust system / heat sheild but unsure as dont have access to a hoist and struggling to get my nose under when driven on to a couple of 6x2 

I did think that perhaps it was the exhaust butterfly , but have done the " golf tee mod" and still have the noise.  Giving the muffler a wee push with my foot there is a small rattle  towards to mid of the car, could this be the cat convertor and if so can i get this cut out and a straight thru put in its place without cheating a " drone" at various revs?

Advise / help appreciated.  and or recommendations on who I should take car to in Wellington.. dont mind paying for a cash job on a sat/ sun so long as workmanship is good  ( i have grown an affection for the old girl 😉😵💫)

 

thanks in advance

murray

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It will be one of the centre heat shields.  Mine does it on occasion.  I just give it a little bend until it stops.
Right dead centre of the car though.  Any exhaust shop or mechanic should be able to give it a tweak for you.
Otherwise I could help sometime after work next week.  I have a hoist and am in Featherston just over the hill.

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3 hours ago, Jacko said:

I'm keen, depending on price, needs a lot of tuning and filters before I order a set. Probably not any extra power but sounds awesome 

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Didn't realise N54 manifold is a common mod for N52.. has anyone done it?

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17 minutes ago, Danch said:

Didn't realise N54 manifold is a common mod for N52.. has anyone done it?

For the lower tier N52s, 325i/328i, that don't have the three stage manifolds it's somewhat common in the US to use a N54 manifold as an upgrade. It's hard to get hold of a three stage N52 there afaik.I

It's not as good as the  130i/330i full N52 spec motor manifold from the dyno tests I've seen, makes same or slightly more power at the top end but sacrifices torque to do so. 

Edited by NZ_InFerno
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Yeah N54 manifold is like 5bhp more at 7000rpm, but worse everywhere else. 

Id be keen for the velocity stack setup as well, dyno graph does look promising - gives a solid kick up top without making everything else poop.

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What exhaust are you guys running? I'm keen to hear more of the sound, but I don't want it to drone or be annoying to my neighbours/colleagues 🤔

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Who does everyone use for parts supply? My Mickey Mouse hose has split and I am need of a quick replacement to get me out on the track this weekend. 
Been quoted $200inc gst for a genuine replacement but looking at other options including the billet flanges but need one asap. 
cheers

Dave

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53 minutes ago, Dave_Tee said:

Who does everyone use for parts supply? My Mickey Mouse hose has split and I am need of a quick replacement to get me out on the track this weekend. 
Been quoted $200inc gst for a genuine replacement but looking at other options including the billet flanges but need one asap. 
cheers

Dave

Amazon prime sometimes does really quick deliveries. If you are really hard up I have an aluminium mickeymouse one here, might be able to courier it to Qtown by the weekend.

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Legend - thanks for the offer Jacko. 
I have found a shop who can get me one in by Thursday at latest. 

Interestingly fcp euro were 8 days - can’t complain with that! 
cheers

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My recent FCP and spareto orders have arrived to my door inside a week, pretty impressive.

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On 2/23/2024 at 3:47 PM, Danch said:

What exhaust are you guys running? I'm keen to hear more of the sound, but I don't want it to drone or be annoying to my neighbours/colleagues 🤔

Supersprint backbox. Bit louder under throttle + nicer sound. Zero drone. Not annoying at 50 or 100. Expensive for what it does. Wish it had a it more noise tbh but then it would probably be more annoying at motorway speeds. 

 

Edit : I'm waiting on an fcpeuro order that looks like it will turn up within a week. Ironically has a mickey mouse flange and hose in it. 

Edited by NZ_InFerno
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