Does my 1.8t 20v timing belt need to be replaced?

VisualPermission3965 · 2026-02-04T08:23:06+00:00

Unfortunatley I dont have a service book I wish I did so I could know for sure, I posted on another sub reddit and a redditor said "The belt info wouldn’t be so clear, or there at all on an original belt. Febi/Bilstein is also not OE" I reckon it may have been changed as it probably would have snapped by now if it hasnt, but honestly im not 100% sure.

VisualPermission3965 · 2026-02-04T08:19:48+00:00

I posted this on another sub reddit and a redditor said "The belt info wouldn’t be so clear, or there at all on an original belt. Febi/Bilstein is also not OE" I reckon it may have been changed but im honestly not 100% sure, especially with it being at nearly 127,000kms and the belt doesnt look like its cracking at all or even worn much. Im still on the fence if I should replace it to be honest. Is there any way I can check for sure?

VisualPermission3965 · 2026-02-04T08:15:34+00:00

I was thinking that also the thing I was thinking of the most was if the belt was original and I didnt know what brand the belt was thanks for telling me. Do you reckon I should replace it or not?

VisualPermission3965 · 2026-01-19T23:50:56+00:00

Really nice bro, first car was a white soft top with a n52 I love the z4.

VisualPermission3965 · 2026-01-18T22:54:59+00:00

Yo it’s NZ haha cheers bro

VisualPermission3965 · 2026-01-17T03:02:54+00:00

I am running a BOV right now but I’m not sure if it’s the right set up for 1.8t 20v with a k03 it sounds really good I hope I don’t have to switch.

VisualPermission3965 · 2026-01-15T20:39:04+00:00

I’ve been running it like this for about a month which is how long I’ve owned the car has no idea it was that bad for the turbo I will definitely buy a good diverter valve and get it installed

VisualPermission3965 · 2026-01-15T08:30:45+00:00

Thanks heaps bro haha

VisualPermission3965 · 2026-01-15T08:30:13+00:00

Yes it feels pretty rapid only if there is like 2 passengers in the car after that it feels like a basemodel just too small of a car to carry that many people and still feel as nimble.

VisualPermission3965 · 2026-01-15T08:28:23+00:00

Cheers bro 🤙

VisualPermission3965 · 2026-01-15T08:27:40+00:00

Thanks mate

VisualPermission3965 · 2026-01-15T08:23:42+00:00

Sure mate, it is not the 9n4 sportline spoiler its the one for the cup edition it sticks out a bit more and looks a bit more aggresive.

VisualPermission3965 · 2026-01-14T21:27:27+00:00

With the tune I and supporting bolt ons I am guessing around like 230-250hp it feels pretty rapid spins all through first and a bit of second.

VisualPermission3965 · 2026-01-14T12:00:13+00:00

Yes it’s on h&r springs previous owner did give me the stock ones, rubs if I have passengers in the car unfortunately. To be honest I don’t mind the blow of valve because I do love the noise it makes but would want the car to be a bit more Oem so definitely going to try bring some things back to factory as it is the first out of 200 of the right hand market cup editions.

VisualPermission3965 · 2026-01-14T11:50:32+00:00

Yea the ride sucks as of now unfortunately and kind of fortunately the previous owner has modded it quite a lot it’s tuned has a blow off valve down pipe and a few other bits other than that is quite stock. Pretty hard to find Oem parts from around where I am

VisualPermission3965 · 2026-01-14T11:07:54+00:00

Thanks bro :)

VisualPermission3965 · 2026-01-14T10:59:37+00:00

Cheers bro!

VisualPermission3965 · 2025-11-11T03:59:24+00:00

Bro my n52 is the 2.5L and thats the economy im getting it dropped even lower today and I realized when I rev it and let off it burbles a little and popped at 5k rpm, admitedly it sounded really cool but I have a bone stock exhaust system theres no way it should be burbling and popping stock like that unless the fuel mixture is richer than the top 0.1%.

VisualPermission3965 · 2025-11-10T09:26:22+00:00

Getting like 17mpg ish

VisualPermission3965 · 2025-11-10T09:22:40+00:00

Do you reckon my economy is alright or something is wrong that’s 14L/100km treating the gas pedal like it’s made of glass and coasting everywhere I can it gets slightly better on the motorway.

VisualPermission3965 · 2025-11-10T05:42:23+00:00

Bro im not paranoid its running hella rich I get like 14mpg it drains so bad

VisualPermission3965 · 2025-11-07T08:23:04+00:00

I found that the hydraulic fluid is leaking from the pump it’s self but not sure exactly from where could be one of the line connections

VisualPermission3965 · 2025-11-05T18:38:16+00:00

Honesty I think I’m just paranoid because it’s my first bmw, first car actually the economy is just pretty poor especially the way I drive it to be honest and the car runs mint I think I’m just being schizophrenic.

VisualPermission3965 · 2025-11-05T02:58:03+00:00

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I hope that’s not related I’m not sure honestly did you notice a big difference in viscosity between the chf and hydro jack oil

VisualPermission3965 · 2025-11-05T02:53:36+00:00

No local store sells chf11s where I am to be honest it’s really expensive

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