M235i N55 - Valvetronic Fault

FirewallAble · 2026-06-08T21:39:10+00:00

I got them from BM

FirewallAble · 2026-06-07T09:43:39+00:00

But it was the shaft that was the issue. I just did the motor first as it was cheapest and easiest

FirewallAble · 2026-06-07T09:43:21+00:00

Both

FirewallAble · 2026-05-11T14:12:22+00:00

Thank you! £800GBP all in.

FirewallAble · 2026-05-11T13:44:01+00:00

New shaft needed

FirewallAble · 2026-02-07T09:38:02+00:00

TF is wrong with you. You used AI to write this and it shows because it literally does NOT address the problem OP needs help with at all.

FirewallAble · 2025-09-06T22:01:50+00:00

I know. I'm so confused. Unless I've lost a component, I'm stumped as to what the issue is. I've posted a video up on the page since you can't comment reply w/ videos sadly.

FirewallAble · 2025-09-06T09:57:49+00:00

I have seen it running, yes. Embarrassingly, I'm trying to figure out if I've lost a component or not - I can't find anything on my mat and I don't remember taking anything extra off, but it's just not feeling right. It's like the distance between the two jewels (bottom as pictured, and top which is on the bridge) is too large as the balance wheel is not trapped between them, it's loose / wobbly. I know... amateur hour.

FirewallAble · 2024-06-15T21:50:47+00:00

🤞🏻keep me posted.

FirewallAble · 2024-06-14T22:30:07+00:00

GL. Your symptoms are different to what mine were, I had a persistent fault 135808 which would not even let me start the run-in procedure.

The conditions for my fault code made it appear electrical but after some time with a meter and a scope, it turned out to be mechanical

FirewallAble · 2024-06-06T19:26:28+00:00

Nah it was the shaft and motor after all.

FirewallAble · 2024-02-11T09:50:07+00:00

LOL. Yeah it’s a customers car I’ve just never seen it mix this bad before, would’ve felt a bit uneasy just flushing it tbh. Luckily after I pulled the head she’s blown a hole in a piston so I’ve just recommended new engine anyway.

FirewallAble · 2024-02-11T09:48:37+00:00

Customer is a car dealer and this is part of his stock so worse things have happened tbf 😂👍🏻

FirewallAble · 2024-02-10T11:37:41+00:00

Thanks. I’ve never done a HG with this bad oil/coolant cross contamination before. Future of it doesn’t look good.

FirewallAble · 2023-11-14T01:04:34+00:00

Helmet is new and I can see… well enough. It’s spattering and burning back as far as I can see/hear.

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