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Hi all Just got back from a trip out and have four lovely yellow dash lights showing: ABS, Brake, Tyre pressure and DSC. I have a simple code reader at the moment (Autel AL319) but it’s showing no codes - I think because it’s mainly for engine management. So I’m after recommendations from Z4...

Hi all I’m selling my bilstein B6 dampers and sport springs from my 3.0si Coupe. Reason for sale is that I’ve moved to ST XTA coilovers. The dampers were bought new in May 2018 from Jackson Ford in Henley upon Arden (of Matt Jackson BTCC fame) and have done around 12,000 miles on the car...

Hi all I’m leaning towards getting some ST XTA coilovers to lower and improve stability of my car. Currently on B6 dampers and sport springs - ride is initially firm but settles at speed. But it feels quite soft at the front end particularly so I’d like to tighten it up. Seems XTAs get some...

Hi all I've taken the plunge and replaced my water pump (pierberg), thermostat (mahle) and expansion tank (BMW OE). Put it all back together, put in some BMW OE coolant mix and tried to start the bleed process (key in and turned to on, heat on high, fan on lowest, 10 seconds on throttle) - but...

Hi guys Looking to get my middle resonator removed from the coupe. Have an eisenmann race on at the moment but as a weekend car, would like a bit more noise. Does anyone have any recommendations for a place to do this? Slightly nervous of just going to the local garage as would like some...

Hi all Am after the above. Specially looking for a sport rear anti roll bar as I want to replace the SE 18mm on the car currently. Let me know if you have one lying around! Thanks Dave

Hi guys I’m making good progress on my coupe with the aim of making it the best B road car it can be. Upgrades to date are: - new oem lollipop bushings - B6 dampers on sport springs - eccentric ring on electric steering motor moved c5mm. - forged 405M 18” alloys (9.2kg/wheel) running square...

Thought I’d do a test fit of the OEM 405m wheels I’ve been running on my 330d over winter. They’ve got 225/45/18 sottozeros on the 8” rim. They are also in need of a clean. I’ve been wanting to try a square set up for some time and have been impressed on the small amount of driving so far...

Hi guys Is the alpina steering system any different to the electric steering on the normal z4? Is not, do you know what is different and in the experience of those who have tried normal z4 and alpina, does the latter feel better? Wondering if there is anything we can learn from the alpina set...

Hi Looking at taking the winter wheels of my forged 18x8 405m wheels of my f30 330d and trying a square set up on my coupe. Looking to go MPSS. Offset is ET34, so 13mm more poke than standard wheels at the front/16mm at back. M sport suspension so not low. Know they’ll be fine with 225/40/18...

Had my Z4C properly aligned by Ben at String Theory garage (on site at the now well know Caffeine & Machine venue). Ben had my car for the day, and had a play with various settings to see what worked best. My car runs on sport springs, B6 dampers, SE roll bars and 20mm front/15mm rear spacers...

I can only find two videos on you tube from the guy on here who helped develop it. I like what I hear but would be interested in others views. Anyone got one fitted? Cheers Dave

Guys Does anyone know what the spring rates are for the SE and M sport springs on a 3.0si coupe? I’m SE at the moment with B6 shocks. The rear of my car does look a bit high but front is ok so wondering about impact of putting M springs on the back. The rear of the car is pretty compliant and...

As per the above - I’m getting an annoying reverberation from the carver subs behind the seats. I pulled the panels off and the drivers side sub has had the cone damaged/poked in. Pulled it out using the vacuum cleaner trick but still the buzzing on bass notes Is this a common issue with the...

As per the above - are hey easy to remove? I have a weird resonance on bass notes which seems like it’s in one of thre subs want to take a look! Thanks guys

As planned, I’ve installed these with the standard SE springs as I wanted to see what the ride / compliance / handling balance was like. Also replaced the rear bush of the front lower control arms and had full hunter alignment. Result - am really pleased. They replaced LCA bush has definitely...

So I had my car booked in at the garage to put my new B6 shocks on. I had a call back later on to say that they didn’t want to fit the dampers as they felt the springs were going to have to be too compressed to fit the shocks. Like the damper is too short or something??! I’ve called Bilstein...

Hi guys Probably a numpty question but.... When people take out a multi car policy, is this different from insuring several cars with the same insurer and getting a discount? I’m with e-sure for two cars and have a discount and my z4 is through a broker - each with different renewal dates...

Hi guys Interested in some forum views please. My coupe is specd with the rare 241 star spoke wheels. I originally specd these as I loved the look of the Z4 coupe concept car, and didn’t really take to the other options. However I subsequently found out that the concepts wheels were 19” so my...

Hi guys I’m getting my rtabs replaced before replacing dampers, lca etc. My indi suggested also replacing the 4 rear subframe bushings. A big job it seems - 4.5hrs and a big bill. Who has had this done? Do they wear out that quick? Car is 2007 3.0si coupe with 73k miles