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by ksnax
Sun May 24, 2020 9:16 am
Forum: Modifications & Accessories
Topic: Rear-Fog Switch Retrofit (U.S. i3s)
Replies: 46
Views: 17656

Re: Rear-Fog Switch Retrofit (U.S. i3s)

Anybody tried the ECS part yet?
by ksnax
Sun May 17, 2020 11:15 pm
Forum: Technical BMW i3 Discussions
Topic: Thoughts on cutting off 100% to account for lost capacity?
Replies: 14
Views: 3499

Re: Thoughts on cutting off 100% to account for lost capacity?

I recently learned of the Deep OBD app for Android. It shows real time battery voltage and charge level. Fully charged, mine was displaying right around 390V and 80% charge via the OBD data, but showed full capacity on my dash. Last time I checked kappa, it was something like 18.1kW, which is just a...
by ksnax
Sun May 17, 2020 10:38 pm
Forum: Modifications & Accessories
Topic: Different wheels on i3?
Replies: 5
Views: 2350

Re: Different wheels on i3?

There are numerous custom forged options available that will fit with sizing from 5'5" wide on up, but none of them are cheap. BC Racing seems to have the best deal going on their wheels at about $700 a pop. You can find less expensive options in a 19"x7.5" wheel with appropriate spacers however, bu...
by ksnax
Tue May 12, 2020 8:24 am
Forum: Modifications & Accessories
Topic: No Anti-Sway / Stabilizer Bar in the rear of the i3
Replies: 4
Views: 3649

Re: No Anti-Sway / Stabilizer Bar in the rear of the i3

Just bought an i3s and was trying to toss it around (in a safe place) and realized that it under-steers like crazy. Only think that could address this is stiffer spring rates in the rear or a rear sway bar. Springs would ruin the car imo. Has anyone heard of a solution? If you don't want to go stif...
by ksnax
Sat Feb 08, 2020 5:55 pm
Forum: General / Main i3 Owners Forum
Topic: Anyone have their A/C compressor replaced after 15Y/150K warranty ?
Replies: 4
Views: 1095

Re: Anyone have their A/C compressor replaced after 15Y/150K warranty ?

In some states like, Ca USA many parts including the A/C compressor has a 15Y/150K warranty, Not really. In checking with BMW NA, they indicate that extended warranty is ONLY FOR EMISSIONS ie. If the car fails to pass an emissions test, the parts listed as covered by the 15 year/150 warranty will b...
by ksnax
Sun Jul 21, 2019 10:55 pm
Forum: Technical BMW i3 Discussions
Topic: Tire pressure and miles per Kwh
Replies: 9
Views: 3066

Re: Tire pressure and miles per Kwh

I recently conducted some coast down tests on my i3. And contrary to what I stated before, roller mode is not necessary, as neutral works just as well. That said, what I noted was that the recommended pressures for the i3 are a little on the soft side and are soft enough to hurt rolling resistance s...
by ksnax
Sat May 25, 2019 11:56 am
Forum: Modifications & Accessories
Topic: Lowering springs for the i3?
Replies: 27
Views: 18103

Re: Lowering springs for the i3?

Yes. (Sort of). In general terms, because even relatively flat bottomed cars like the i3 are riddled with parts that generate turbulence, anything you can do to reduce airflow underneath without increasing frontal area will improve aerodynamics and reduce drag.

How much? No clue there.
by ksnax
Sat May 25, 2019 11:37 am
Forum: Technical BMW i3 Discussions
Topic: Tire pressure and miles per Kwh
Replies: 9
Views: 3066

Re: Tire pressure and miles per Kwh

The easiest way to measure the difference in such a change is with 'coast-down' testing. Using the same piece of road with no traffic, repeated runs are timed from a set speed down to a predetermined low speed while coasting. The i3 would need to be placed in roller mode to do this, but multiple run...
by ksnax
Sun Feb 24, 2019 10:37 pm
Forum: General / Main i3 Owners Forum
Topic: Why are 'loud cars' so tempting?
Replies: 1
Views: 1275

Re: Why are 'loud cars' so tempting?

Yes, 'shaming' is the proper term. "No, officer. I was not drag racing. I was shaming!" :D :D :D
by ksnax
Sun Feb 24, 2019 12:52 pm
Forum: General / Main i3 Owners Forum
Topic: My BMW i3 Saved My Life
Replies: 17
Views: 4660

Re: My BMW i3 Saved My Life

The ACC is merely an accident mitigation system, not avoidance obviously. I don't like the way it responds to normal conditions, but I use it just in case I do get distracted at the wrong moment. Glad it worked for that at least! Sadly Aaron, this is likely going to be 100% against you on fault. Whe...

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