[Ep 12] 1986 BMW K100 Cafe Racer Project - M-Unit Fuel Injection Rewire

In this video, I show in heavy detail the steps that I took to get the M-Unit to work with the fuel injection and ignition system of the M-Unit. The M-Unit is typically used on carbureted bikes where the only thing you have to make work is the ignition. The injection adds another angle of mystery, but pay attention and I can help demystify it.

--------INFORMATIONAL RESOURCES----------
Kennyraceboy's oil pump rebuild guide
https://www.youtube.com/watch?v=nzxdMe8ICYU&t=

MAX BMW - An excellent source for BMW parts
shop.maxbmw.com/fiche/PartsFiche.aspx

BMW K100 M-Unit Wiring Diagram by Mikeyfrompiha
https://drive.google.com/file/d/0Bw2lImUxZkZFb0lZbU9maFdGSEV3UE9ISDJxVW9SYnZSeTlr/view?usp=sharing

BMW K100 ORIGINAL Wiring Diagram
http://www.kbikeparts.com/classickbikes.com/ckb.tech/0.ckb.tech.files/kwiring/Early%20K75%20K100/K100_Early_Wiring_Diagram.jpeg

Mikeyfrompiha's rewire informational video
https://www.youtube.com/watch?v=hieyykYVCSw

Troubleshooting guide for starting an 8 valve K100/K75
https://bmwmotorcycletech.info/K100%20troubleshooting%20Starting.pdf

M-unit review by Revival Cycles
https://youtu.be/899wODtXeRg

-------------NEW PARTS AND TOOLS------------
Silicone hose kit
https://www.ebay.com/itm/AS3-PERFORMANCE-SILICONE-RADIATOR-HOSES-BLACK-to-fit-BMW-K-100-1982-1992/133231019342?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

Oil and water pump repair kit
https://www.ebay.com/itm/Oil-Water-Pump-Repair-Kit-BMW-K-Bike-11-41-1-741-870-EnDuraLast-PumpKit870/254402992313?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

Oil and water pump press tool
https://www.euromotoelectrics.com/product-p/pumpkittool628.htm

BMW K100 CR III exhaust
https://cafe4racer.eu/en/k100-exhasut-parts-collectors-4to1/1224-bmw-k100-exhaust-cr-iii-header-pipes-muffler-custom-exhaust.html

Oil temp indicatore for K bikes
https://www.ebay.com/itm/Oil-temperature-indicator-gauges-BMW-K100-K75-K1100-replacement-11141460191/264525039068?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

Wire connector kit
https://www.amazon.com/gp/product/B07KP369MF/ref=ppx_yo_dt_b_asin_title_o08_s01?ie=UTF8&psc=1

Lead free solder
https://www.amazon.com/gp/product/B07Q16RBXY/ref=ppx_yo_dt_b_asin_title_o08_s02?ie=UTF8&psc=1

Cheap soldering iron
https://www.amazon.com/Electric-Soldering-Indicator-Solder-Cleaning/dp/B07K2P8LCG/ref=sr_1_26?keywords=soldering+iron&qid=1578468240&refinements=p_85%3A2470955011&rnid=2470954011&rps=1&s=hi&sr=1-26

Fuel Injector pre-wired connectors
https://www.amazon.com/gp/product/B07H75K959/ref=ppx_yo_dt_b_asin_title_o08_s02?ie=UTF8&psc=1

Unconnected fuel injector connectors
https://www.amazon.com/gp/product/B07C7QSQBY/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

L brackets
https://www.amazon.com/gp/product/B07MZLLVXC/ref=ppx_yo_dt_b_asin_image_o08_s02?ie=UTF8&psc=1

Nutsert rivet gun
https://www.amazon.com/gp/product/B07G5Q2BLD/ref=ppx_yo_dt_b_asin_title_o08_s02?ie=UTF8&psc=1

Dremel butane torch kit
https://www.amazon.com/Dremel-2000-01-Precision-Butane-Soldering/dp/B00MJW08JK/ref=sr_1_3?crid=1DIKC5UDRQE1Z&keywords=dremel+2000-01+versatip+precision+butane+soldering+torch&qid=1578468507&s=hi&sprefix=dremel+2000%2Ctools%2C164&sr=1-3

Mini push button momentary ground
https://www.revzilla.com/motorcycle/drag-specialties-mini-push-button-switch

Wire stripping tool
https://www.amazon.com/VISE-GRIP-Stripping-Cutter-8-Inch-2078309/dp/B000JNNWQ2/ref=sr_1_14?crid=1Y6F13EFCWSKM&keywords=cable+stripper+tool&qid=1578468615&sprefix=stripper+tool%2Caps%2C148&sr=8-14

Motogadget goodies
https://www.revzilla.com/motorcycle/motogadget-m-unit-blue-digital-control-and-fuse-box

https://www.revzilla.com/motorcycle/motogadget-m-unit-cable-kit

https://www.revzilla.com/motorcycle/motogadget-m-lock-rfid-ignition-lock

https://www.revzilla.com/motorcycle/motogadget-m-switch-switch-housing-for-78-bars

Antigravity battery
https://www.revzilla.com/motorcycle/antigravity-small-case-8-cell-240ca-lithium-ion-battery?gclid=Cj0KCQiA9dDwBRC9ARIsABbedBOjp_eoQOhltfkqlR0rp8yONTWYJS1CTNW9uifR45EIMzFtiH6-zmkaAkF4EALw_wcB&gclsrc=aw.ds

Spartan power battery cables
https://www.amazon.com/Spartan-Power-Positive-Negative-Inverter/dp/B071DYLGST/ref=sr_1_1?m=A2VHGGOHXF24LJ&marketplaceID=ATVPDKIKX0DER&qid=1578468909&s=merchant-items&sr=1-1

Longer spark plug wires
https://cafe4racer.eu/en/ignition-cables-bmw-k100-k75-k1-k1100/1379-igniton-cables-for-k100-k75-k1100-k1.html

Amazon 5 quart oil jug
https://www.amazon.com/gp/product/B07C5S18M3/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

#BmwK100Project #theillestrator

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