Bad sound when engine starts [SOLVED]

futureZ4buyer · Post by **futureZ4buyer** » Sat Dec 19, 2020 9:37 pm

This only happens when the engine is cold and not driven for at least a day.
I'm charging the battery to see if it is the reason why this is happening.
Will check tomorrow.

Any other suggestions?

PS if you can't hear it well, put your headphones on.

https://youtu.be/xTj8ng32a00

Swampy1982 · Post by **Swampy1982** » Sun Dec 20, 2020 10:36 am

There will be far more technical people than me on here but sounds like a starter motor to me...

Wait for proper advice from someone else tho

bigwinn · Post by **bigwinn** » Sun Dec 20, 2020 10:46 am

If that’s the consensus I’m changing mine today

I’ll do a write up how it goes

maxman · Post by **maxman** » Sun Dec 20, 2020 11:11 am

Sounds like the starter ,could be caused by a low battery.

colb · Post by **colb** » Sun Dec 20, 2020 11:48 am

Very difficult to make the sound out even with headphones but may detect the bendix being slow to retract once the car starts and it spins the starter motor a bit before retracting like it should. Pull it out and give it a clean and light lube so it slides freely and then give it a try, you can bench thest it with 12v put to it. These starters give no warning of failing had to change mine recently.

futureZ4buyer · Post by **futureZ4buyer** » Sun Dec 20, 2020 3:42 pm

Thank you for answers gentlemen!
Battery was fully charged this morning and it happened anyway so it's probably the starter.
Will do what @colb suggested.

bigwinn · Post by **bigwinn** » Sun Dec 20, 2020 5:22 pm

starter changed bud- will do a write up in a few mins for you in the 'how to' section

Swampy1982 · Post by **Swampy1982** » Sun Dec 20, 2020 8:34 pm

Or give it a tap with a hammer and block of wood in the short term, see if that sorts it out...

futureZ4buyer · Post by **futureZ4buyer** » Mon Dec 21, 2020 10:23 am

Jeremy Clarkson style

Roberltd2 · Post by **Roberltd2** » Sun Dec 27, 2020 10:45 pm

Engine sounds nice though

Rockhopper · Post by **Rockhopper** » Mon Dec 28, 2020 9:23 am

It’s not a bendix style starter on the Z4, it’s a pre engaged one where the solenoid moved the starter gear into mesh with the ring gear before then turning the engine over. Might be worth knowing if you are looking for a replacement.

futureZ4buyer · Post by **futureZ4buyer** » Sat Jan 09, 2021 10:23 pm

Roberltd2 wrote: ↑Sun Dec 27, 2020 10:45 pm Engine sounds nice though

It does, I'm happy with it

Rockhopper wrote: ↑Mon Dec 28, 2020 9:23 am It’s not a bendix style starter on the Z4, it’s a pre engaged one where the solenoid moved the starter gear into mesh with the ring gear before then turning the engine over. Might be worth knowing if you are looking for a replacement.

Thanks! Everything will be checked when the spring arrives. Until then it will be in a garage because the weather is and will be s**t.

futureZ4buyer · Post by **futureZ4buyer** » Mon Aug 02, 2021 11:12 am

Solved about 3 months ago!
Starter motor was causing this sound.
It was refurbed and the sound is gone.

Z4-forum.com

Z4-forum.com

Bad sound when engine starts [SOLVED]

Bad sound when engine starts [SOLVED]

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts

Bad sound when engine starts