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Speed Sensor Alternative?

I recently replaced my OEM ABS with the BMW MK60 unit. Amazing difference, but has posed a small problem. Since I no longer get a wheel speed signal to the

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Old 10-25-2020, 08:57 AM   #1 (permalink)
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Default Speed Sensor Alternative?

I recently replaced my OEM ABS with the BMW MK60 unit. Amazing difference, but has posed a small problem. Since I no longer get a wheel speed signal to the ECU, my rev match ďblipperĒ no longer woks. Do you guys know of an alternative to re establishing that signal so maybe it will work again (Iím not very good at heal-toe)? Iíve looked at the AEM GPS speedometer, and a transmission swap speedometer pickup as options, but not sure if either of those are viable or effective options. Thanks for any advice.
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Old 10-25-2020, 09:36 AM   #2 (permalink)
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The MK60 outputs conditioned digital wheel speed data in both 5v and 12v depending on configuration. However, this signal won't work for the 370z.

In stock form, the vehicle speed is sent from the ABS module via the CAN Bus to the BCM and Unified meter and A/C amp modules. From there the Unified meter and A/C amp module sends the vehicle speed to 4-7 other modules, depending on options.


The wheel speed signal needs to be converted (pulses to vehicle speed) and then broadcast on the CAN bus network in the same data format as the original ABS module.

I am not aware of any module that can do this, so it would have to be custom built and programmed.
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Old 10-25-2020, 12:34 PM   #3 (permalink)
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Learn to heel toe! You can be as proficient or better than the auto rev match.

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Old 10-25-2020, 01:37 PM   #4 (permalink)
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Originally Posted by SonicVQ View Post
The MK60 outputs conditioned digital wheel speed data in both 5v and 12v depending on configuration. However, this signal won't work for the 370z.

In stock form, the vehicle speed is sent from the ABS module via the CAN Bus to the BCM and Unified meter and A/C amp modules. From there the Unified meter and A/C amp module sends the vehicle speed to 4-7 other modules, depending on options.


The wheel speed signal needs to be converted (pulses to vehicle speed) and then broadcast on the CAN bus network in the same data format as the original ABS module.

I am not aware of any module that can do this, so it would have to be custom built and programmed.
Thatís great info! Thank you. I guess Iíll just have to practice heal-toe for now.
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Old 10-25-2020, 01:38 PM   #5 (permalink)
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Yeah. I guess my days of being a lazy driver are over. At least the car stops on a dime now. I wish I had switched to the BMW ABS long ago!
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Old 10-25-2020, 03:17 PM   #6 (permalink)
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So besides better stopping distance, are better able to modulate the brakes and is brake feel increased?

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Old 10-25-2020, 05:11 PM   #7 (permalink)
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So besides better stopping distance, are better able to modulate the brakes and is brake feel increased?

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Modulation is something Iím working on. Just did a few days at Daytona and pedal was really sensitive, which made modulating tricky. Iím at Sebring next weekend (my home track) and will really be able to test it out fully. I may end up removing the brake booster if it remains that sensitive.
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Old 10-25-2020, 05:39 PM   #8 (permalink)
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Modulation is something Iím working on. Just did a few days at Daytona and pedal was really sensitive, which made modulating tricky. Iím at Sebring next weekend (my home track) and will really be able to test it out fully. I may end up removing the brake booster if it remains that sensitive.
Let us know what you learn!

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Old 10-25-2020, 10:18 PM   #9 (permalink)
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I'm not sure if it'll work with the 370Z, but with my 350Z, I was able to split my ABS unit in half. Leaving the electronic connector portion so I could keep the tach, etc working.. but get rid of the ABS.

Maybe this would work for you too? Not sure how you've got things connected..
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Old 10-26-2020, 11:29 AM   #10 (permalink)
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I'm not sure if it'll work with the 370Z, but with my 350Z, I was able to split my ABS unit in half. Leaving the electronic connector portion so I could keep the tach, etc working.. but get rid of the ABS.

Maybe this would work for you too? Not sure how you've got things connected..
Thanks. Iíll look into that approach. I did leave the old unit in the car because the ECU needs to see that itís at least there.
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Old 10-26-2020, 07:27 PM   #11 (permalink)
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Thanks. Iíll look into that approach. I did leave the old unit in the car because the ECU needs to see that itís at least there.
Ahh.. Well if you have the wires connected to the old unit, I guess you've already tried that solution then. I don't think splitting it in half will help any.
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Old 10-29-2020, 09:40 PM   #12 (permalink)
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Thanks. I’ll look into that approach. I did leave the old unit in the car because the ECU needs to see that it’s at least there.
You will have to convert to a stand-alone unfortunately to get the rev match to work far as I know. Emtron kv16 but you don’t have any can bus integration (so custom patch harness to get full can bus control) , haltech nexus R5 has all the can bus protocol just needs a harness made, motec m150 full plug n play, take the factory Ecu out plug the motec in and start tuning and figuring **** out. Since the Z is blackballed ( for whatever reason) in any type of racing there isn’t much out there. So guys like you have to pave the way or spend time working around the factory Ecu.
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Old 11-01-2020, 04:52 PM   #13 (permalink)
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Just install the AutoBlip. It actually works better than the factory rev match, because
it is only active if you are applying the brake, so no over rev if you are upshifting and
accidentally move the shifter in the direction of a downshift. Costs $ 400.00.
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Old 11-01-2020, 07:40 PM   #14 (permalink)
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Just install the AutoBlip. It actually works better than the factory rev match, because
it is only active if you are applying the brake, so no over rev if you are upshifting and
accidentally move the shifter in the direction of a downshift. Costs $ 400.00.
Looks very interesting! Iíll look into it. Thank you.
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Old 11-13-2020, 02:21 PM   #15 (permalink)
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dude you have a race car!!!! learn how to heal toe...wayyyy more satisfying
the synchro rev takes all the fun away of a manual

also its really easy the way our pedals are placed. Its more a shove with ridge of your foot to your gas pedal than it is a heel toe, if that helps

Last edited by justin_boy; 11-13-2020 at 02:24 PM.
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