INSTRUCTIONS
Below are PDF documents & videos for how to install our TMS Flex Fuel Kit and Harness Kit.
![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_3_20x_crop_center.png?v=1707170637)
E85 Flex Fuel Kit for Toyota Supra™
In this installation, we go over how to install a flex fuel filter along with CAN bus wire harnesses and compatible BDC cables for Toyota Supra™ models.
DOWNLOAD PDF![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_6_20x_crop_center.png?v=1707175302)
E85 Flex Fuel Kit for BMW™ G8X
In this installation, we go over how to install a flex fuel filter along with CAN bus wire harnesses and compatible BDC cables for BMW™ G8X models.
DOWNLOAD PDF![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_5_20x_crop_center.png?v=1707170664)
E85 Flex Fuel Kit for BMW™ B58 Gen 2
In this installation, we go over how to install a flex fuel filter along with CAN bus wire harnesses and compatible BDC cables for BMW™ B58 Gen 2 models.
DOWNLOAD PDF![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_20x_crop_center.png?v=1707170494)
E85 Flex Fuel Kit for BMW™ B58 Gen 1
In this installation, we go over how to install a flex fuel filter along with CAN bus wire harnesses and compatible BDC cables for BMW™ B58 Gen 1 models.
DOWNLOAD PDF![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_1_20x_crop_center.png?v=1707170508)
ReFlex™ Harness Install Guide
In this video, we will be installing our TMS ReFlex™ Harness Kit on our M4’s S58 engine. This TMS ReFlex™ Kit also applies on all B58 engines.
WATCH VIDEO![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_2_20x_crop_center.png?v=1707170525)
ReFlex™ Harness Kit: BDC Instructions
In this installation guide, we will be showing only the BDC portion of the ReFlex™ Harness Install Guide.
DOWNLOAD PDF![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_7_20x_crop_center.png?v=1714078226)
![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_8_20x_crop_center.png?v=1714078258)
ReFlex™ Harness Secondary Fuel Pump Wiring
In this installation guide, we will be going over how to wire a secondary fuel pump the correct way to the ReFlex Harness.
download pdf![](http://tensilitymotorsports.com/cdn/shop/files/Beige_Feminine_Portrait_Inspiration_Quote_Instagram_Post_9_20x_crop_center.png?v=1714078296)