After seeing this thread I check my rotors and they look way toast. I guess I will be needing some too. Are the OEM Alpina rotors different than the BMW (e38) ones or just another case of rebranding?
After seeing this thread I check my rotors and they look way toast. I guess I will be needing some too. Are the OEM Alpina rotors different than the BMW (e38) ones or just another case of rebranding?
They're different...the E38 didn't exist when the B10 BiTurbo was launched.
I used the 750iL North American part number 34 11 6 757 756 discs and they fit. However, my mechanic needed to machine the rotor or the caliper a little bit for it not to rub. I can't remember exactly which part needed to be machined. I paid USD $82 each disc from BMA AutoParts. If you find a better deal, let us know.
I ordered a set and I will test fit them to check to see how they fit and what machining is required. I'm hoping its just a simple matter of removing 1 mm from each face of the rotor. I'll report back later with my results.
I found them for $85 CAD ea from a local supplier.
After seeing this thread I check my rotors and they look way toast. I guess I will be needing some too. Are the OEM Alpina rotors different than the BMW (e38) ones or just another case of rebranding?
original bt brakes made by lucas, absolute rubbish now but at the time they were ok not brilliant but ok
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shes alpina blue with two turbos and kills m5s her name is m5 killer...then theres hartge e30 cab with a monster engine her name is bird and shes a naughty girl. then theres the other cabrio the 320 clk jasper blue with every extra available. oh yes and the 4x4 cossie she only comes out for a laugh.....and weve now got bird2 shes got 470 horses two turbos and is japanese (SUPRA)......also being added R1 yamaha and a monster 4wd japanese killer just for fun in the mountainsalso just added to the fleet is a 2002 porsche 996tt in silver full options and auto with the old tip-tronicjust arrived vw touareg v10 tdi diamond black, fully loaded tiptronic with 22" rims. just arrived gunmetal grey toyota celica gt4 2.0 turbo 4wd 360 bhp with t4 turbo, running out of space for cars, RS4 CABRIOLET IN PHANTOM BLACK JUST LANDED
you can put this setup on with the original 17" wheels and use the slightly smaller disk which i think is 340-342 and you still have the six pot caliper and the ap reworked grooved disk, when i chose my brakes it was after serious research in to every possible brake setup that was available and that includes the porsche setup, movit,ap racing and kad engineering came out on top for me, one other problem with the alpina setup is the disks warp to easy and the brake fade when the calipers get too hot, the bt setup is too fragile, too many people are looking for a cheap alternative, corners can be cut but for how long and yes it does boil down to how you drive your car. All bt owners that i know all put their cars through its paces, the car was not made to be driven like a pensioner so anybody who says they dont push their bt then they are in the wrong car, im not saying drive it like a boy racer, But ask yourself why you bought this car and why most of us still have them, the answr should bring a smile to your face, BTW THE CAR WAS MADE PERFECT BUT THE BRAKE TECHNOLOGY HAS MOVED WAY FORWARD AND AS YOU ALL KNOW THE BTS BRAKES ARE NOT UP TO THE TASK, BUT HEY EACH TO THEIR OWN
Rojer – With the Porsche, Movit, Ap Racing and Kad Engineering setups what were the pros/cons that made you go with the Kad Engineering setup?
here is your answer, the kad calipers and ap calipers are manufactured by the same company, the disks kad uses are ap disks but kad does something to the disks which make them better than the ap disks, las of all they are much cheaper and the service you get at kad you will not get at ap, kad is a small buisnesss run by colin and his dad and they also build race minis and small steam engines for companies all over the world they are excellent engineers and you dont find many like that in the uk, they will give your car individual attention to make whatever they are doing to perfection, you will not get that at ap or movit, i carefully looked in to all the companies and was not worried about cost as i wanted good brakes, a friend of mine has movit on his m5 and i was not impressed, so hope that answers it for you, ps the disks i have on the car have now been on for four years and they have been made to go blue many times with extreme braking and they are still going strong...
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shes alpina blue with two turbos and kills m5s her name is m5 killer...then theres hartge e30 cab with a monster engine her name is bird and shes a naughty girl. then theres the other cabrio the 320 clk jasper blue with every extra available. oh yes and the 4x4 cossie she only comes out for a laugh.....and weve now got bird2 shes got 470 horses two turbos and is japanese (SUPRA)......also being added R1 yamaha and a monster 4wd japanese killer just for fun in the mountainsalso just added to the fleet is a 2002 porsche 996tt in silver full options and auto with the old tip-tronicjust arrived vw touareg v10 tdi diamond black, fully loaded tiptronic with 22" rims. just arrived gunmetal grey toyota celica gt4 2.0 turbo 4wd 360 bhp with t4 turbo, running out of space for cars, RS4 CABRIOLET IN PHANTOM BLACK JUST LANDED
The Following User Says Thank You to m5 killer For This Useful Post:
Hey Folks, it´s been a long time that i haven´t been to the M5board. HAd to work a lot.
Some news that might be interesting to you guys.
Aftermarket 740d Sport-Discs from Zimmermann do fit pretty well, without maching the calipers. S600 Pads from EBC do fit also. But none of the mentioned wear sensors work. I tried nearly 15 sensors.
Will investigate further
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Cheers Alex
BT #500 at 20psi
"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn, then you have enough horsepower." -
also just added to the fleet is a 2002 porsche 996tt in silver full options and auto with the old tip-tronic
just arrived vw touareg v10 tdi diamond black, fully loaded tiptronic with 22" rims. just arrived gunmetal grey toyota celica gt4 2.0 turbo 4wd 360 bhp with t4 turbo, running out of space for cars, RS4 CABRIOLET IN PHANTOM BLACK JUST LANDED 
BT #500 at 20psi 
Linear Mode
