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Oil consumption 430 LCI (N57)

Kevmond
in BMW 4 Series Forum

Featured Replies

All,

So as title suggests, my car has warned me of “low oil” after 2k miles since service.

It had also needed a couple of top ups in between services.

I’ve added a litre and it’s back to Max.

Hoping for the best, I’ve just replaced the crankcase breather on the cam cover, purchased from MKY performance (https://mkyperformance.co.uk/products/bmw-n57-pcv-diaphragm-valve-cover-repair-kit-cap-11127800309?_pos=1&_psq=BMW+N57+PCV+Diaphragm+Valve+Cover+Repair+Kit+Cap+11127800309+330d+430d+530d+325d+640d+×+1&_psid=d7acb3413&_ss=e&_v=1.0)

Real OEM doesn’t show the valve as being separate from the cover.

No real need for explanation, it’s straightforward enough to do as can be seen from pics. There’s even a 10% discount code on the business card.

I removed the compressor inlet duct for access & used a pair of pick tools to unpick the old cover.

Old diaphragm was quite a bit more supple and the spring seemed weaker too.

Time will tell if it’s cured the oil consumption. 🤞🏻

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