Hi guys, this is the follow-up from the introducton thread
Its one of the 350 Euro GT cars, mine is number 111.
Engine is the S50B30 ITB Single vanos, with S50B32 upgraded intake manifold and lubrication system.
Here is part nr 1 http://www.bimmerfest.com/forums/showthread.php?t=530785
By this stage the suspention was sorted, the ceramic brakes and various other stuff.. but I wanted more power..
Early 2008 I started with the install of the Twin Turbo system on stock internals. As I said the system was not a perfect design, but it was designed to run at 8psi, i ran it at 11psi. The exhaust manifolds were terrible, and made a strange engine sound, but they did the job for the time beeing.
I was using 440cc injectors and I flew in a expert tuner to tune the original BOSCH DME. The car drove reliable but soon I started to see pressure in the coolant so I upgraded to a MLS 0.140 plus ARP's.
0-200 run on this setup
www.youtube.com/watch?v=46bBtdtWo24
In the lates rebuild I had installed a Gizzmo electronic boostcontroler... that made me a bit greedy so I started pushing up the boost. Going up to 22psi. The AFR's looked ok, and so did the EGT, but something went wrong. The coolant started to pressurise in summer of 2010 so the only option was to rebuild the engine again. This time around I decided to do all the work myself. Keep in mind that I have no mechanical training or experience. I work in Private Banking..
When the engine came apart it was quite obvious that the headgasket was blown... quite badly actually for an MLS. I along with some of my friends started speculating what had gone wrong. Most likely it was due to detonation, which resulted in me beeing to agressive on the boost and the car probably running out fo fuel at the top end since the injectors were only 440cc. Still I was running almost 4.5Bar of fuel pressure.
HG badness...
This time around I decided to go with a STOCK HeadGasket from BMW and I also upgraded to ARP2000 bolts.
Head off and pistons cleaned
It was a strugle to get the head on since I was doing the job alone, I bought an engine crane and that helped.
Head on.
I also put some thermal insulation on the engine bay.
I also thermal wrapped the downpipes.
Since I had no previous experience the timing of the cams and valve adjustments were a pain in the neck. But I managed.
Almost done.. again
The RC750 injectors went in along with the Moristech Piggyback (installed it myself) and the Knock link Knock detector.
The car started up ! I was pretty happy. Drove it for 3 days and then no boost, and a terrible sound coming from the turbo area. I inspected the engine, found a busted hose from the airbox to the ICV and also I had made a small mistake when installing the Airbox. I had actually managed to clamp the oil feed line to one of the turbos which resulted in oil starvation to it and it was gone....
http://www.youtube.com/user/farturinn#p/u/0/H612rlMcn0c
Pretty depressing, since its not that easy to access a bottom mount twin turbo system. Still, I bought two new GT2252's and re-designed the oil feed system. Intstalled and I had power again.
I re-designed the oil-feed lines and installed two new Garrett's
The car ran great, power was plenty at 14psi (minimum PSI)
I also installed a new water pump, fan-clutch, oil catch can, Denso Iridium plugs, painted the RC's white, and am currently installing a 2.93 Differential which will get the LSD unit from the S2.65.
Other mods I have done/am doing include the seats which I changed to Recaro Pole Position with some custom stiching and painted the BBS RC wheels white.
Seats:
Sticker:
White RC's
Engine bay, looking OEM as I want it to look. No fancy stuff showing.
Its been a labour of love and some hate, frustration and enjoyment but it has cost me alot of money. At this stage I was happy with the car. I have something a bit special, its fast and reliable and I have rebuilt the engine (top end) myself so that gives me more pleasure when I drive it. But while beeing tuned in the UK the engine blew (on or after the dyno session) and now I need to rebuild the engine.
As I said if you have the time, plese go on my Facebook link http://www.facebook.com/pages/BMW-E36-M3-GT-Twin-Turbo-aka-HULK/120153618061202
and hit the like button. You will be doing me a big favor.
Photo Albums
http://myndasafn.bmwkraftur.is/v/medlimir/fart/Rebuild2/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/overhaul/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GTnew/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT_2/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT+new/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT/
Its one of the 350 Euro GT cars, mine is number 111.
Engine is the S50B30 ITB Single vanos, with S50B32 upgraded intake manifold and lubrication system.
Here is part nr 1 http://www.bimmerfest.com/forums/showthread.php?t=530785
By this stage the suspention was sorted, the ceramic brakes and various other stuff.. but I wanted more power..
Early 2008 I started with the install of the Twin Turbo system on stock internals. As I said the system was not a perfect design, but it was designed to run at 8psi, i ran it at 11psi. The exhaust manifolds were terrible, and made a strange engine sound, but they did the job for the time beeing.
I was using 440cc injectors and I flew in a expert tuner to tune the original BOSCH DME. The car drove reliable but soon I started to see pressure in the coolant so I upgraded to a MLS 0.140 plus ARP's.
0-200 run on this setup
www.youtube.com/watch?v=46bBtdtWo24
In the lates rebuild I had installed a Gizzmo electronic boostcontroler... that made me a bit greedy so I started pushing up the boost. Going up to 22psi. The AFR's looked ok, and so did the EGT, but something went wrong. The coolant started to pressurise in summer of 2010 so the only option was to rebuild the engine again. This time around I decided to do all the work myself. Keep in mind that I have no mechanical training or experience. I work in Private Banking..
When the engine came apart it was quite obvious that the headgasket was blown... quite badly actually for an MLS. I along with some of my friends started speculating what had gone wrong. Most likely it was due to detonation, which resulted in me beeing to agressive on the boost and the car probably running out fo fuel at the top end since the injectors were only 440cc. Still I was running almost 4.5Bar of fuel pressure.
HG badness...
This time around I decided to go with a STOCK HeadGasket from BMW and I also upgraded to ARP2000 bolts.
Head off and pistons cleaned
It was a strugle to get the head on since I was doing the job alone, I bought an engine crane and that helped.
Head on.
I also put some thermal insulation on the engine bay.
I also thermal wrapped the downpipes.
Since I had no previous experience the timing of the cams and valve adjustments were a pain in the neck. But I managed.
Almost done.. again
The RC750 injectors went in along with the Moristech Piggyback (installed it myself) and the Knock link Knock detector.
The car started up ! I was pretty happy. Drove it for 3 days and then no boost, and a terrible sound coming from the turbo area. I inspected the engine, found a busted hose from the airbox to the ICV and also I had made a small mistake when installing the Airbox. I had actually managed to clamp the oil feed line to one of the turbos which resulted in oil starvation to it and it was gone....
http://www.youtube.com/user/farturinn#p/u/0/H612rlMcn0c
Pretty depressing, since its not that easy to access a bottom mount twin turbo system. Still, I bought two new GT2252's and re-designed the oil feed system. Intstalled and I had power again.
I re-designed the oil-feed lines and installed two new Garrett's
The car ran great, power was plenty at 14psi (minimum PSI)
I also installed a new water pump, fan-clutch, oil catch can, Denso Iridium plugs, painted the RC's white, and am currently installing a 2.93 Differential which will get the LSD unit from the S2.65.
Other mods I have done/am doing include the seats which I changed to Recaro Pole Position with some custom stiching and painted the BBS RC wheels white.
Seats:
Sticker:
White RC's
Engine bay, looking OEM as I want it to look. No fancy stuff showing.
Its been a labour of love and some hate, frustration and enjoyment but it has cost me alot of money. At this stage I was happy with the car. I have something a bit special, its fast and reliable and I have rebuilt the engine (top end) myself so that gives me more pleasure when I drive it. But while beeing tuned in the UK the engine blew (on or after the dyno session) and now I need to rebuild the engine.
As I said if you have the time, plese go on my Facebook link http://www.facebook.com/pages/BMW-E36-M3-GT-Twin-Turbo-aka-HULK/120153618061202
and hit the like button. You will be doing me a big favor.
Photo Albums
http://myndasafn.bmwkraftur.is/v/medlimir/fart/Rebuild2/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/overhaul/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GTnew/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT_2/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT+new/
http://myndasafn.bmwkraftur.is/v/medlimir/fart/GT/