jadnashuanh said:
BUMWA said:
I'm still using my Occasional Use Plug overnight, waiting for the BMW/Bosch contractor to get back to me with an estimate (unbelievably, he's busy with Tesla home installations!).
I haven't used the BMW EVSE, but from the literature, other than the style and the fact it comes with BMW's name on it, IMHO, you're paying nearly double what any other capable unit could provide with the same performance (unless you got a deal when you bought the car on it).
Any qualified residential electrician can install one of these...all they need to know is the load to then put in the proper breaker and what size wires to run. There's basically L1, L2 and safety ground...the hookup is about as simple as it can get. Wire it up, and it's on (there's no on/off switch). It either works, or it's defective.
The BMW i Charging Station comes in 2 different models (16a or a 32a unit). The one I bought from the dealer was the 240vac 32amp unit item #61 90 2 346 992. Dealer makes about 20% - so go for a discount - which makes the price close to the other units on the market. I found the end price was very close after a discount. Unit is well built and circuit board is well sealed and weather protected.
To price out the installation electrical hardware costs (assuming no major home service panel replacements):
(using Local NY Albany / Rochester prices) (about $2.30 a foot average cost for electrical parts plus breaker)
Basically you need a 40amp breaker, #8 wiring, 3/4" conduit and assorted items.
Details:
#8 wire - copper stranded (50amp capacity) - retail price is from $0.50 to $0.65 cents a foot. (or about $1.80 per foot total)
You will need 3 insulated = ideally 1 red, 1 black and 1 green
3/4 conduit schedule 40 gray ( $2.13 each at Lowe's per 10 foot sections)
3/4 90 deg sweeps $0.76 each
3/4 clamps - plastic (about $4 for a package of 20) - to hold down conduit.
2 = 3/4 Male Terminal (need 2, 1 to mount to charger, 1 to enter service panel) - plus 2 metal terminal nuts
(The BMW i / Bosch Charger Station [made by Schneider Electric] is designed to use 3/4 conduit - knockout size)
1= Small can of conduit solvent/adhesive (I use Cantex brand)
1 = 40amp 240vac circuit breaker to match the manufacturer of your service panel (assuming space/capacity and part is available)
Then of course add some hardware to secure the mounting plate to the wall (screws, washers, concrete bolts, etc.) depending on how you want to mount it. I recommend that you use 6 = #10 pan head screws (fit nicely into mounting plate) going into plywood / studs. You will need the 8 screws (#8 pan head) that comes with the kit to mount the cable holder. My opinion for the best location inside a garage would be the right side (from the outside facing the door) very close to the garage door - since BMW puts there recharge port on the right rear - plus you can swing the cable out 25 feet to reach down the driveway or easily across to other cars in the garage. Unless you always like to back the car in and keep the mounting very near the service panel. Hope that helps....