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Designed a small circuit board with on board voltage regulator and pullup circuitry, allowing me to log each side of the fuel tank indvidually. It uses a Teensy 3.2 processor and then feeds the data onto the CAN network for the dash to receive. I'm using both hardware and software filtering. The...

Designed and 3D printed some ABS ducts for the foglights (Brake cooling) and inner ducts (for the alternator)... Designed some inner door handles to suit my door cards, rather than a tacky piece of wire hanging out... Removed the original switch panel, built a new one with some CAN...

Not too much has happened this year, as with everything. February time I managed to get hold of a new fiberglass bonnet, wing and door after the damage in 2019. I had them painted, and got them fitted in preperation for heading to Spa at the end of March... Right after this, lockdown...

If you want the ability to chop and change settings back and forward over time its the right solution for sure. Carly is also a good option in that respect. Although if you just want some options setting and don't want to adjust anything else moving forwards, I use ESYSX regularly and can sort...

My mate had his F31 330D (pre-lci) mapped at the same time, he swapped the IC (like for like) and had great results. If you ever get round to it, really does transform them. Here is his before and after, 300hp/650nm.

I use it on an F11 535D LCI. I think a lot of people see it as a placebo on a stock car, yes you can tweak it yourself and the likes, it does smooth a few things out, but you may not really notice. I noticed the differences more post map, most likely down to the massive hike in bottom end...

Yes, I suppose it depends how you drive... I don't launch it every time I set off! The key I found with any of them is alignment... the E series I had previously and F series are terrible for tyre wear otherwise.

Get PS4 over rain sports for circuit use, they are just too soft. I've switched between both for years (well, for wet use). They are average on a dry track, as with any road tyres, but I suppose that depends how fast you are going and level your at. You can get them warm quickly. I've ran PS4...

Got three days in during August, and have a few more planned before the end of the year. Plenty changes have happened... I will get round to updating this thread at some point!

Cooler is wise IF your having continual issues - no offence to Mike but he isn't going anywhere near the limits of the car, tyres or doing anything like racing at the moment so the system will be nowhere near its temperature capacity - if he was spitting fluid out every session then fair enough...

Yeah, considered it, especially ceramic coating, but decided against it in the end. That side of the engine is not so bad once you have air flow through the engine bay when you are moving. The issue seems to be the hot air coming through the radiator/oil/power steering coolers, hitting the front...

And the arms fitted 👍

Pros and cons with both, but for a 'track only' application you will go quicker with a plate differential. The trade of is they wear out, where a torsen/helical differential is fit and forget. I've always known the exhaust ran very hot, and the assumption was I was at the limit of 2.5" with...

Welder is locked ALL the time (imagine a go-kart, or quadbike). LSD still has a progressive ramp angle and takes time to engage dependant on load/power application. So you're getting some slip initially, and then depending on conditions (grip, oil temperature in the LSD, etc) it will eventually...

Leaving Donington in the past, I wanted to sort out the 'loose' handling before heading to the Nurburgring for the Circuit Days trackday. The first job was to pull the Kaaz LSD out of the car, and strip it apart to drop the locking percentage from 100% to 75%. These LSDs lock very well, and the...

No, you won't really find any gains there without some serious head work (bigger valves, wild cams, etc) Can't believe its been nearly 7 months since the last update, anyway 😁 After switching to RS29 for Cadwell Park above, the brakes were running hotter than ever (smoking during pit stop)...

Yep, back in 2011. 3 ponts and a fine. It was a small trailer, with a MK1 Clio on it. Get the wrong traffic officer and your not getting away with it. My advice... just do the test and forget about it. Isn't difficult whatsoever. In 8 years and many tens of thousands of miles towing, I've been...

You'll probably also find your gearbox heat exchanger thermostat is showing its age too,... I first changed the stats at around 90k, back up to 90-92C all the time. Then after about 30k I started to see a slight drop, only 5-10C or so. Unfortunately, you cannot replace the heat exchanger...

Mines had a hard life being used for a lot of towing (across Europe and UK), along with being mapped the entire time

If you also look into the 6HP26 documentation/manuals, the correct service/drain/fill procedure is all based around temperature and the car being 100% level to get it spot on - shame its not just as simple as 'changing the oil'. I factored in the box rebuild price when I got the car nearly four...

Yeah I paid £300, so its in the ball park. Yes, 100% should be on the BMW system if its always been there (they won't have touched the box though unless it had a warranty job related to it, considering they class the oil as lifetime ?

If its not been serviced before, in my opinion I wouldn't touch it, its debatable whether it had an effect on mine or not. I had mine serviced at a ZF centre @ 100k, then it went with the clutch E fault at 130k anyway. My mates E91 has 140k on it, never serviced no issues. Another E90 went at...

Rebuild with new torque converter, new solenoids and all the associated stuff (10L ZF lifeguiard oil etc), at a ZF specialist.... was around £1800

The E6x platform is solid, M57 is a brilliant lump but you can't compare it to the newer stuff for economy (but like you say why buy a 3.0 diesel for economy!!) Mine has tested my patience in the past 120k miles at times, but on the whole been great (E61 has more issues with air suspension...

Generally the cars in Class B/A are well built, but some people are not interested in attention to detail. Aside from the bodywork post=qualifying, I'm pretty happy with it. Like you say thogh, I wouldn't be happy with some of the cars on the grid, but everyones different and if it passes...

To be honest I went there with zero expectations, being the first outing and many other unknowns. It would have been great to run the full length, but these things happen - it was the 205 that had a hard hit into the wall, and thankfully the driver was OK, but 750MC made the correct decision...

With Cadwell Park quickly approaching, one of the last jobs was to sort the rear towing eyes. This involved removing the standard rear bumper mountings, so the tow wires could bolt through the chassis legs, and then making two new mounts for the bumper itself. Time consuming, but got there...

Standard M10, or timeserted to 11mm? Using a stud you have got far less risk of pulling the thread, as your loading up the stud and not pulling/turning on the thread itself whilst tightening. Considering I have had one pull, I would never go back to it.... as I had paid for the block to be...

Pretty much - the iron block and M52 head have been taken to the machining/clearance limits also. The block is from a 325 - I could save 20kg in the engine block alone by using an M52 (328) block as it is alloy, but I have had issues with head bolts pulling in the past so the reliability of the...

M50 Iron Block M54B30 Crank, Rods, Pistons M52B28 Head (Same throughout the 323/325/328) Cams ARP Hardware (Rods/Mains/Head Studs) VAC Oil Pump ATI Superdamper Jenvey 45mm ITBs S50B32 Exhaust Manifolds + 2.5" Single System Probably a few other bits I forgot about ?