tombate911
Paid Member
Funny you should say this! I have been looking at the GTS ones to go on a new boot lid I've got sat in the garage, been considering going in that direction but wasn't bringing that option up yet! Great taste!
Albi Blue 200 >> BMW E46 Track Car
- Thread starter tombate911
- Start date
Funny you should say this! I have been looking at the GTS ones to go on a new boot lid I've got sat in the garage, been considering going in that direction but wasn't bringing that option up yet! Great taste!
tombate911
Paid Member
Yeah they do, I have looked at fibreglass and even carbon boots in the CSL style, would shave off a decent amount of weight too!
Can certainly feel how much more settled the car is with the rear wing on high speed corners especially when rolling off the throttle too, it balances out the front splitter but currently not running that as I can't get the angle correct with the new M3 bumper which is actually a tad higher than the 330 one at the bottom so the splitter actually angles upwards, need to look at options for that in the future but happy running without it, I've got Oulton Park in March so will aim to do the back to back testing of the wing,
Might have bought a GTS wing though. oops! So I can run a smaller one with more angle rather than the current larger one which i only run around 3-4 degrees.
tombate911
Paid Member
Spring arrives which brings with it the first track day for 2025 so I have had to get the car all working ready for Oulton Park which meant finishing off some of the on going jobs from over winter.
MK60E5.
Will document a few bits of this which I have found out along the way.
I am using - 6789303/6789304 - This is from the 6 cylinder E9x Models, It is important that all the parts used are from the 6 cylinder variants, I found this out the hard way again.
With some help of a friend we have experimented with flashing to M3 software but had an issue with a pump losing some inlet valve calibrations and being unable to rerun the calibrations with a 5DD0 Fault code which I was unable to clear on one unit, I bought a spare unit and just left it as the standard 6 cylinder firmware and updated some of the onboard settings using tool32.
Once I have used the ABS with the standard software I will update it to M3 in the future.
Sensors are front wheel speed sensors from 3.0 versions - 3452670424 - The white plastic gives them away as being 6 cylinder versions.
Originally I ordered the following Yaw sensor, the internet tends to say these are compatible with all model of pump - Guess what they're not!
The following is for Pre LCI but also appears to work with an E92 M3 pump too
676269-04
The correct Yaw sensor to use with a Post LCI unit as documented above
6850375
This later Yaw sensor uses a different style plug too as well as a different pin out
4 Pin Yaw Sensor
1 - Yaw Sensor Ground
2- Can Low
3- Can High
4- Yaw Sensor V+
With all that sorted and no more fault codes in the system other than missing data like the E90 instruments, Canbus messages and steering angle It was back to the mechanical side of things
I wanted to get the sensor wiring as far away from the disc as possible.
Ground away some of the plastic which wasn't needed where the wiring went into the sensor
Added thick heat proof sleeving rated for 400+ degrees
It is close but no issues so far at the time of writing this I have tested it and no effects from heat at the moment. Going up to E46 CSL discs would create more space here which is an option for the future
One important part of keeping these set up working is going to be cooling.
I have refitted the 3" brake ducts from the front fog lights to the front of the hubs
While on the topic of the E5 - Screenshot of a log from Oulton this weekend just passed.
Brakes going into EBV - Brake biasing when the rear wheels are reaching their limit of grip.
If wheel slip is detected on the front wheels then it goes into ABS
Overall the feel of the ABS is very good, no pedal feedback which was my biggest issue with the standard MK60 from the E46.
I was getting to grips with the brakes again at Oulton at the weekend and if anything over braking for corners but with a little more seat time I will get used to how late I can brake as well as getting used to how hard I can press the brakes, still only hitting just over 1000psi on braking, once or twice I hit 1200psi without any wheel slip or ABS it's just getting used to it again after years of having no ABS.
Pulled off the new tensioner I fitted at Cadwell Park last year when the bolts snapped in the block and replaced it for a S54 tensioner and idler, if it's good enough for 8k revs on an S54 it'll be much better for this engine.
Hopefully proves to be more reliable and pass the forces from the belt to the block more effectively with the larger clamping area an 3 bolts
With this tensioner you need to run the idler at the top near the alternator to take up the slack in the belt that's created with this tensioner being in a slightly different location
Modified the mounting of the splitter to raise the back edge it slightly to give a better rake angle on it and hopefully a little more front end grip, with the replacement bumper the splitter angle ended up pretty much flat so likely not doing a great deal
Interior - No major changes - Just been working on ensuring the instrument cluster works correctly
I have set up the Centre ABS Light to work with the MK60E5 to light up when there is an ABS fault
Speedo working correctly using one of the wheel speed outputs from the E5 directly to the cluster as it uses a PWM input
Red and Yellow ABS lights disabled.
MK60E5.
Will document a few bits of this which I have found out along the way.
I am using - 6789303/6789304 - This is from the 6 cylinder E9x Models, It is important that all the parts used are from the 6 cylinder variants, I found this out the hard way again.
With some help of a friend we have experimented with flashing to M3 software but had an issue with a pump losing some inlet valve calibrations and being unable to rerun the calibrations with a 5DD0 Fault code which I was unable to clear on one unit, I bought a spare unit and just left it as the standard 6 cylinder firmware and updated some of the onboard settings using tool32.
Once I have used the ABS with the standard software I will update it to M3 in the future.
Sensors are front wheel speed sensors from 3.0 versions - 3452670424 - The white plastic gives them away as being 6 cylinder versions.
Originally I ordered the following Yaw sensor, the internet tends to say these are compatible with all model of pump - Guess what they're not!
The following is for Pre LCI but also appears to work with an E92 M3 pump too
676269-04
The correct Yaw sensor to use with a Post LCI unit as documented above
6850375
This later Yaw sensor uses a different style plug too as well as a different pin out
4 Pin Yaw Sensor
1 - Yaw Sensor Ground
2- Can Low
3- Can High
4- Yaw Sensor V+
With all that sorted and no more fault codes in the system other than missing data like the E90 instruments, Canbus messages and steering angle It was back to the mechanical side of things
I wanted to get the sensor wiring as far away from the disc as possible.
Ground away some of the plastic which wasn't needed where the wiring went into the sensor
Added thick heat proof sleeving rated for 400+ degrees
It is close but no issues so far at the time of writing this I have tested it and no effects from heat at the moment. Going up to E46 CSL discs would create more space here which is an option for the future
One important part of keeping these set up working is going to be cooling.
I have refitted the 3" brake ducts from the front fog lights to the front of the hubs
While on the topic of the E5 - Screenshot of a log from Oulton this weekend just passed.
Brakes going into EBV - Brake biasing when the rear wheels are reaching their limit of grip.
If wheel slip is detected on the front wheels then it goes into ABS
Overall the feel of the ABS is very good, no pedal feedback which was my biggest issue with the standard MK60 from the E46.
I was getting to grips with the brakes again at Oulton at the weekend and if anything over braking for corners but with a little more seat time I will get used to how late I can brake as well as getting used to how hard I can press the brakes, still only hitting just over 1000psi on braking, once or twice I hit 1200psi without any wheel slip or ABS it's just getting used to it again after years of having no ABS.
Pulled off the new tensioner I fitted at Cadwell Park last year when the bolts snapped in the block and replaced it for a S54 tensioner and idler, if it's good enough for 8k revs on an S54 it'll be much better for this engine.
Hopefully proves to be more reliable and pass the forces from the belt to the block more effectively with the larger clamping area an 3 bolts
With this tensioner you need to run the idler at the top near the alternator to take up the slack in the belt that's created with this tensioner being in a slightly different location
Modified the mounting of the splitter to raise the back edge it slightly to give a better rake angle on it and hopefully a little more front end grip, with the replacement bumper the splitter angle ended up pretty much flat so likely not doing a great deal
Interior - No major changes - Just been working on ensuring the instrument cluster works correctly
I have set up the Centre ABS Light to work with the MK60E5 to light up when there is an ABS fault
Speedo working correctly using one of the wheel speed outputs from the E5 directly to the cluster as it uses a PWM input
Red and Yellow ABS lights disabled.
tombate911
Paid Member
Part 2...
Ordered a new wing to try at Oulton Park
Slghtly smaller than the chasis mounted wing
Safe to say I noticed a big difference at Oulton without the larger wing, throughout the day I adjusted the smaller wing all the way to it's maximum setting, but the car was no where near as stable as it normally is with the larger wing, I think this is something I will go back to. Function over form on this one.
Gave the alignment a once over as I'd replaced the front right inner tie rod and track rod end and it was ready for Oulton Park
The day got off to a great start, it was fairly quiet out on circuit and had a passenger in for the first 20 minute session, looking back at the logs I ended up putting in a 2:00 dead lap in the first session of the day. I think back now for how many years I was trying to get Oulton down to a 2 minute lap!
Changed a few things during the day, Ran the front ARB on full soft and full stiff. Prefer it on the soft setting which is way stiffer than the OEM bar anyway.
Turned up the dampers and tried a few different settings away from my usual base line settings but again preferring to run the dampers in the middle of their settings rather than full hard being one way dampers.
Checked the car over in the middle of the day and noticed that one of the Nylon press on fittings for the ABS had expanded and was no longer a push fit, I had decided to epoxy one side on, but the first side I built up I'd left as a push fit, I quickly rebuilt the first side with some epoxy resin and carried on the day without issue with the ABS
Got the car on the weighbridge at lunchtime.
The car was 1255 with 22 litres of fuel - 1230kg.
There is some weight I can loose easily from the car like foot plates, fire extinguisher, as well as around 15kg in splitter and splitter mounts but it's not worth it in my opinion for what they add.
The car was going really well until I suffered a random battery failure at 3pm. Hitting the inner curb at Cascades the whole car turned off and when diagnosing the fault the battery reads a flat 0v, prior to this everything was perfect on the logger showing 14.2 volts all day. I have ordered a different/new battery to replace the Lucas battery I was running. I will be rubber mounting this one though rather than it being solid on the metal floor
Obviously theres a video. Not my tidiest of laps, could be a lot smoother if I wasn't using so much kerb unsettling the car too!
[youtube]
Ordered a new wing to try at Oulton Park
Slghtly smaller than the chasis mounted wing
Safe to say I noticed a big difference at Oulton without the larger wing, throughout the day I adjusted the smaller wing all the way to it's maximum setting, but the car was no where near as stable as it normally is with the larger wing, I think this is something I will go back to. Function over form on this one.
Gave the alignment a once over as I'd replaced the front right inner tie rod and track rod end and it was ready for Oulton Park
The day got off to a great start, it was fairly quiet out on circuit and had a passenger in for the first 20 minute session, looking back at the logs I ended up putting in a 2:00 dead lap in the first session of the day. I think back now for how many years I was trying to get Oulton down to a 2 minute lap!
Changed a few things during the day, Ran the front ARB on full soft and full stiff. Prefer it on the soft setting which is way stiffer than the OEM bar anyway.
Turned up the dampers and tried a few different settings away from my usual base line settings but again preferring to run the dampers in the middle of their settings rather than full hard being one way dampers.
Checked the car over in the middle of the day and noticed that one of the Nylon press on fittings for the ABS had expanded and was no longer a push fit, I had decided to epoxy one side on, but the first side I built up I'd left as a push fit, I quickly rebuilt the first side with some epoxy resin and carried on the day without issue with the ABS
Got the car on the weighbridge at lunchtime.
The car was 1255 with 22 litres of fuel - 1230kg.
There is some weight I can loose easily from the car like foot plates, fire extinguisher, as well as around 15kg in splitter and splitter mounts but it's not worth it in my opinion for what they add.
The car was going really well until I suffered a random battery failure at 3pm. Hitting the inner curb at Cascades the whole car turned off and when diagnosing the fault the battery reads a flat 0v, prior to this everything was perfect on the logger showing 14.2 volts all day. I have ordered a different/new battery to replace the Lucas battery I was running. I will be rubber mounting this one though rather than it being solid on the metal floor
Obviously theres a video. Not my tidiest of laps, could be a lot smoother if I wasn't using so much kerb unsettling the car too!
[youtube]
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