Cheat Sheets are also found in the linked Guide (Section 4 "Getting Started") as well as BMW Coding Database (link in Section 4). NOTE: Coding is Hardware Specific; this relates to ecus and other components like Headlamps. See Technical Training Docs (On individual chassis threads), specifically "General Vehicle Electronics" for ECU Functions. 53K views 149 replies 98 participants last post by Bali Oct 6, 2016. drmirage Discussion starter. 1342 posts · Joined 2002. #1 · Oct 6, 2002. what is the most rare e46 color? i havent seen much of thse colors on the e46. steel blue metalic, oxford green and gray green. I have however seen the arizona sun color in US spec cars, primarily in 'verts. I was always under the impression that imola red , tannin red, cinnamon, and natural brown were all part of the individual program. I also didn't know that there were so many :censor: different color interiors. Kinda makes me wonder why theres only 3 basic options. In the US, Imola is probably the most rare e46 color. That, or that puke-yellow/green one. There's somebody in my town with a Dakar yellow 330, but that's not a factory color for e46. It was a custom job. 2005 E46 330 ZHP Imola Red. 2004 E46 325 M56 Steel Metallic Blue - Sold. 03-30-2015, 07:07 PM #7. How to find the Colour Code on a BMW, this is a 1 series F20, but same applies to most other BMW models. #bmw #colourcode #colorcode #a83 #silver #bmw1series Bespoke says - E46+M3 N5TT Silver Grey Light. Leather world technology shows colors that might be a little off due to monitors settings. Light silver grey is def not it. Too light. My leather looks close to the Titanium color they have. Or even the N6TT Grey looks close too. But the year ranges dont match. 3 series & 4 Series (E21, E30, E36, E46, E9x, F30, F32, F33, F36, F44) 1999 - 2006 (E46) BMW Spring Color Codes. If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want 1) Send an email to scott@bmwgm5.com or call me at 310-283-4273 and say that you are interested in my repair service. 2) Tell me your cars model year, model, body style (4dr sedan, 4dr wagon, 2dr coupe or convertible). 3) Briefly describe the problem you are having with the mirrors. - Jake . The secondary air system is prone to faults that illuminate the check engine light. If you have fault codes for your secondary air, check the operation of the pump. You can test the function of the secondary air components using a BMW scan tool. If you do not have access to one, you can check secondary air pump function when starting the engine. BMW oxygen sensors (or "O2 sensors") send real-time information to your BMW's ECU to control the proper air-fuel ratio. BMW O2 sensors are needed for optimal performance and efficiency in all driving conditions. The condition of your oxygen sensors should never be ignored. Failing O2 sensors will trigger your BMW's check engine light, put your mLQM3jp.