Originally Posted by ryankokesh
Highly doubt it. Car parts are usually over-engineered and that also includes wiring.
Campieri
Highly doubt it. Car parts are usually over-engineered and that also includes wiring.
Big Earner
Just a repeat, it could be because of SULEV changes. So much in the M56 is different.
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Messaggero
Most newer BMW's unload the alternator during acceleration and then put extra load on it during breaking so I'm not surprised they have a higher current output.
2006 CiC 6MT
ZHP, Cold Weather, Xenon
Sapphire Black / Black Leather / Black Cube
Messaggero
Apparently the SULEV alternator was also used on the 330 convertible. It should be fine
Campieri
Does the Alternator have a clutch to do this? I heard of the A/C disabling during WOT for the E92 M3 but I haven't heard of the alternator unloading during acceleration. I'm not saying you are wrong, just more curious than anything.
edit: TIL that BMW under loads the alternator to free up some HP. I wonder how it is done.
Messaggero
I don't think that was ever done on E46s.Does the Alternator have a clutch to do this? I heard of the A/C disabling during WOT for the E92 M3 but I haven't heard of the alternator unloading during acceleration. I'm not saying you are wrong, just more curious than anything.
edit: TIL that BMW under loads the alternator to free up some HP. I wonder how it is done.
Messaggero
Yeah they never did it on the E46 but I thought you were trying to put a higher output alternator in from another car
2006 CiC 6MT
ZHP, Cold Weather, Xenon
Sapphire Black / Black Leather / Black Cube
Messaggero
The 155A unit is still from an E46 (325i SULEV and apparently some 330ci convertibles)
Messaggero
Gotcha. Never looked to see what came on my vert. The verts hydraulic pump does create a pretty high load, especially with the car off.
2006 CiC 6MT
ZHP, Cold Weather, Xenon
Sapphire Black / Black Leather / Black Cube
Boss
What should we look for to check? Also, LMK what you have William.
Randeaux/Rando/John/jr - '06 Cic ZHP; Southern California
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