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What did you do to your Z4M today?

R

RedUn

Senior member
Cotswolds
Figured as these cars appear to get more rare on the roads, it would be good to start a thread to see what people have been up to with their Z4Ms, whether it's a drive out, a road trip, maintenance or upgrades 8)

In any case I'll start, did a recent short euro trip over half term and I've now got two jobs to sort out...

Wiper mechanism squeaks, job for the weekend.

The xenon bulbs are way past their best so I've ordered some Osram night breaker super duper D2S beasts, I'm looking forward to fitting and removing all the skin from my hands!

Pics to follow of the before and after beam patterns :thumbsup:

Random pic from Europe to kick start this thread...

IMG_20250416_131215.jpg
 
Posted elsewhere already, but I took mine for an MOT today and it passed with no advisories for the 6th time running. :D

I took it to Castle Combe a couple of weeks ago and as it was clean for once I took photos.

PHSS Castle Combe 200425 R.JPG

Next job will be new rear tyres as they are down to 3mm and I'm going to Scotland next month!
 
Replaced the oat sensor with the correct part number, but needed modding to fit.

Had to drill out an insert. Fits fine. Haven't booted it up yet though.
 
RedUn said:
bigwinn said:
I fitted rear cubby subwoofers. Tuuuuune
Click to expand...
Interesting, was that a retro fit of the OEM ones?
Click to expand...

Yeap

It’s not like the 10 speaker system in terms of output but it makes a nice step up to just bridge off the normal headrest speakers
 
bigwinn said:
RedUn said:
bigwinn said:
I fitted rear cubby subwoofers. Tuuuuune
Click to expand...
Interesting, was that a retro fit of the OEM ones?
Click to expand...

Yeap

It’s not like the 10 speaker system in terms of output but it makes a nice step up to just bridge off the normal headrest speakers
Click to expand...
I had no idea you could do that, might have to do the same, you got any info on it? Assume they just bolt in and then splice into the headrest speakers?
 
RedUn said:
bigwinn said:
RedUn said:
Interesting, was that a retro fit of the OEM ones?
Click to expand...

Yeap

It’s not like the 10 speaker system in terms of output but it makes a nice step up to just bridge off the normal headrest speakers
Click to expand...
I had no idea you could do that, might have to do the same, you got any info on it? Assume they just bolt in and then splice into the headrest speakers?
Click to expand...

Just that mate

Buy a set of speakers- make sure you buy the speakers, all fixings, covers and foam

Pop the carpet in the boot off to reveal the cables for the upper speakers and splice in

Took me about 45 mins and most of that was moving the carpet and battery box out of the way
 
bigwinn said:
RedUn said:
bigwinn said:
Yeap

It’s not like the 10 speaker system in terms of output but it makes a nice step up to just bridge off the normal headrest speakers
Click to expand...
I had no idea you could do that, might have to do the same, you got any info on it? Assume they just bolt in and then splice into the headrest speakers?
Click to expand...

Just that mate

Buy a set of speakers- make sure you buy the speakers, all fixings, covers and foam

Pop the carpet in the boot off to reveal the cables for the upper speakers and splice in

Took me about 45 mins and most of that was moving the carpet and battery box out of the way
Click to expand...
Brill thanks, will add it to the never ending 'its nearly finished' list :thumbsup:
 
1536Z4 said:
RedUn said:
Random pic from Europe to kick start this thread...
Click to expand...

That rear looks weird ? Lots of camber or a strange photo angle ?
Click to expand...
Lots of camber, I run a reasonable track geo for PS4S that's still usable on the road. About 2 rear and 2.5 front.
 
The bulbs arrived tonight so found a bit of time to get them in and short test drive.

The bulbs as they come...D2S fitting for the E85/6

IMG_20250430_193505.jpg

One new on the left Vs a roughly 10yr old Philips, that's had very little use, just goes to show they still age...camera settings locked here so fair comparisons and WB locked at 4300k (OEM xenon)

20250430_225037-COLLAGE.jpg

And a few beam patterns, always hard to say but I'd say they are a good 50% better at least, supposedly take 3hrs to burn in and this is after 30 mins roughly. (Keep in mind my car runs low so of course the dipped is quite a short beam)

IMG_20250430_222536.jpg

IMG_20250430_222547.jpg

Well worth the upgrade. They are about £100 from powerbulbs, be careful, lots of fakes out there.
 
RedUn said:
Well worth the upgrade. They are about £100 from powerbulbs, be careful, lots of fakes out there.
Click to expand...

Those look really decent!

Not done anything today but planning on some fettling during the bank holiday weekend in advance of mine and a few friends' customary first track day of the year on Tuesday at donny 8) weather is looking good, fingers crossed it stays that way! Can't wait 8) 8)
 
1536Z4 said:
bigwinn said:
I fitted rear cubby subwoofers. Tuuuuune
Click to expand...

Stuart have you got an M now . When did that happen or have I got early onset dementia ?
Click to expand...

Yes mate! And the question I keep asking myself is why did I take so long to get one???!!!
 
Yesterday mine passed it's MOT

Only comment was it was too clean underneath as he had nothing to write down.
 
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