e39 after market coil packs / ignition coils

[RC1]

Anyone had any good or bad experiences with OEM quality ie bremi, bosch etc?

I may need to do mine soon but expect that original bmw ones would be quite a bit more

[steve_bmw]

I find the bmw ones are very robust and don't often go wrong, I usualy buy a couple of a local Bmw breaker just in case when I go on euro road trips, I have never had to replace one in 10 years of Bmw ownership.

[andyiley]

Can I ask why you "may need to do yours soon"?

In general they are something that either works or doesn't.

Certainly not something I would say needs changing routinely.

[RC1]

yep good question... i wrote the post before completing my diagnosis

inpa was throwing up code 240, a misfire cylinder 3. went for a spin just a second ago and now its both 240 and 30 and the latter points directly to a failed coil for cylinder 3

[andyiley]

Have you checked the plugs to see if they are in good condition, correct colour, wet/dry etc?

[RC1]

yep and compression test done for good measure and no adverse findings

im 99.9% sure that ill get the issue resolved in replacing the ignition coil so ill report back when done

[WinstonWolf]

Swap coil to another cylinder, does fault move...

[andyiley]

In that case, to get back to your original question.

Based on the fact that coil packs are generally so robust......

£10 from your local breaker, pretty much any e36/39/46 has the same coil packs, but with different part numbers.

[AJB]

steve_bmw said:

I find the bmw ones are very robust and don't often go wrong, I usualy buy a couple of a local Bmw breaker just in case when I go on euro road trips, I have never had to replace one in 10 years of Bmw ownership.

My E39 was 15 years old and had done 200,000 miles when I sold it last year. When I changed the spark plugs I noticed that all 6 coil packs were original with 1998 date codes...

[RC1]

got 6 for 40 squid from ebay from a 2002 car will stick the replacement in and then keep a couple spare and flog the rest if needed

[RC1]

just reporting back that after 30 odd miles the new used coil pack seems to be working ok and misfire gone on cylinder 3 and no codes