LQ4/T56 into 2001 BMW 540i
10-30-2012, 09:21 PM
#25
so, i have a dumb question. try to keep the laughter and pointing to a minimum!
i unplugged and labeled most of the BMW harness from the M62. looking at all the plugs, there are many plugs that will no longer be used (for example, cam position sensors, bmw knock sensors, oil level sensor on pan, etc).
what do i do with these plugs? obviously they'll never be used again, but can i really just cut/remove them? do i trace the wires all the way back to the BMW ECU and de-pin them and completely remove them? How will this affect the BMW ecu, and how much havoc will it cause with trying to get the car inspected (here in NYS, you cannot pass with a CEL on).
i unplugged and labeled most of the BMW harness from the M62. looking at all the plugs, there are many plugs that will no longer be used (for example, cam position sensors, bmw knock sensors, oil level sensor on pan, etc).
what do i do with these plugs? obviously they'll never be used again, but can i really just cut/remove them? do i trace the wires all the way back to the BMW ECU and de-pin them and completely remove them? How will this affect the BMW ecu, and how much havoc will it cause with trying to get the car inspected (here in NYS, you cannot pass with a CEL on).
11-02-2012, 08:19 AM
#27
Made a good bit of progress last night. One of those evenings where you worked for a while, but somehow it doesn’t look like you did anything.
Off the top of my head:
Disconnected and moved the fuel rail/injectors/injector harness (a huge pain in the neck being as it’s all mostly 1 piece)
Pulled the M60 intake manifold from the BMW motor and replaced it with the original M62 manifold. The 540i VANOS guys can get a bit more top end power with the older, more top-end oriented mani, so I figure I’d sell it since the M62 mani was just sitting in my basement.
Pulled the entire one piece exhaust
Disconnected and labeled another dozen or so connectors
Disconnected more coolant hoses going to the rear water manifold
Disconnected clutch line and let it drain
Also made a bracket for my infrared heater and mounted it on the wall, have to stop and get a new propane bottle today.
I still have to remove the driveshaft and many heat shields before I can actually pull the motor. Hoping to have it out this weekend though!
Off the top of my head:
Disconnected and moved the fuel rail/injectors/injector harness (a huge pain in the neck being as it’s all mostly 1 piece)
Pulled the M60 intake manifold from the BMW motor and replaced it with the original M62 manifold. The 540i VANOS guys can get a bit more top end power with the older, more top-end oriented mani, so I figure I’d sell it since the M62 mani was just sitting in my basement.
Pulled the entire one piece exhaust
Disconnected and labeled another dozen or so connectors
Disconnected more coolant hoses going to the rear water manifold
Disconnected clutch line and let it drain
Also made a bracket for my infrared heater and mounted it on the wall, have to stop and get a new propane bottle today.
I still have to remove the driveshaft and many heat shields before I can actually pull the motor. Hoping to have it out this weekend though!
11-05-2012, 09:54 AM
#28
90% of the wires going to the DME are able to be unclipped via connector, 5% are grounds, and another 5% are mystery wires going elsewhere in the harness. Since they were going to the engine harness, I figured they’d be useless, and clipped them (left some length on them in case for some reason I need to splice into them). So, the whole fuel rail/injectors/harness top half is totally removed from the car. wow, does it ever look cleaner that way!
Also removed the driveshaft (bolts holding it to the tranny didn’t even budge with my impact gun…had to do it by hand, under jackstands, that sucked). Disconnected it from the rear diff as well, that was slightly easier (probably made easier by the fact that I swapped out the diff a year ago). Removed all the misc heatshields, more connectors, and some of the cowl. Also pulled the shifter assembly (wow, that plastic cup is terrible to remove). The motor/trans should be completely ready to come out tonight (barring me forgetting to disconnect some hidden crap)
Also removed the driveshaft (bolts holding it to the tranny didn’t even budge with my impact gun…had to do it by hand, under jackstands, that sucked). Disconnected it from the rear diff as well, that was slightly easier (probably made easier by the fact that I swapped out the diff a year ago). Removed all the misc heatshields, more connectors, and some of the cowl. Also pulled the shifter assembly (wow, that plastic cup is terrible to remove). The motor/trans should be completely ready to come out tonight (barring me forgetting to disconnect some hidden crap)
11-09-2012, 07:09 AM
#35
As they said, the cam is hollow, so down the middle. You have to disassemble the socket part of the lamp to be able to run the wire down, but it’s doable. I also drilled out a few holes nearly at the base of the cam to be able to run the wire and not have it come out the bottom of the cam, which would cause it to sit crooked. Not sure what material the cam is but it really beat the hell out of my drill bits.
11-11-2012, 04:41 PM
#38
Great job thus far friend. I will be following along as well. Was a big fan of the E39 M5 wagons when I was in Germany. Would love to get a 540i wagon and do a 5.7 swap as well.
11-12-2012, 11:25 AM
#40
a member on BimmerFest asked to see the LQ4 and the M62 side by side. keep in mind that the M62 is fully dressed, with all front accessories and belt drives, ready to plop right in. the LQ4 has the heads and intake just sitting on the motor not bolted down, and is missing the headers, front accessories and etc, and a ton of other things.
however, if you look at just the basic engine architecture, the difference in size is pretty striking. remember, the BMW V8 is a 4.4L, the GM is a 6.0.
See ya later M62, it's been really fun.
however, if you look at just the basic engine architecture, the difference in size is pretty striking. remember, the BMW V8 is a 4.4L, the GM is a 6.0.
See ya later M62, it's been really fun.