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Hello everyone,
Enjoy the first ever e46 n55 swap done with all factory BMW parts besides intercooler piping & exhaust.
No custom engine mount or transmission mounts needed.
This can work with the N54/N52 6 bolt crank engine aswell.
(may need additional modifications)
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N55 to e46 chassis parts list
will be updated frequently.
Instagrams: Tecknowtech
Z4 n52 engine support arms
-P/n driver side 22116769321
-P/b passenger side 22116769322
Stock e46 engine mounts
-P/n (qty2) 22116779970
E46 6 speed gear box support & bracket & rubber bushings.
support P/n 22316760531
⁃ bracket p/n 22316760532
bushings P/n (qty2). 22316799331
E46 6 speed linkage
Shifter arm
-P/n 25117516284
Shifter arm bushing
-P/n (qty2) 25117519670
Selector rod
-P/n 25117523847
Shifter lever
-P/n 25117528881
check realoem.com for extra small parts
2006 e90 330i/530i/z4 6 speed transmission (37bz)
P/n 23007565853
use your e46 bellhousing bolts
(E46 37bz will not work)
N55 flywheel 6 bolt
P/n 21207640733
E46 m3 pressure plate
p/n 21212282667 buy a used one if possible.
Stage 3 sport clutch disc
www.ebay.com/i...
E46 6 speed driveshaft
P/N 26117523913
E46 m3 power steering reservoir lines and cooler pipe is needed to relocate reservoir to back of the driver side frame near heater valve
Ps cooler pipe
P/n 17102282339
reservoir lines
P/n 32412229369 & 32412282353
⁃ Note - you will use your e46 U shape PS line and bend it slightly to bolt up to e90 power steering pump.
E46 eBay diesel Intercooler 300$
a.co/d/5Mr4xcz
N20 turbo rubber charge pipe (goes on turbo)
p/n 13717597591
(needs to be cut in half)
2.25 45deg tubing is needed from auto parts store (attaches to n20 pipe)
Google this
SureBilt 2 1/4in I.D. x 2 1/4in O.D. 12in 45 Degree Elbow
Or
www.siliconein...
(This will align perfectly with the diesel intercooler)
F10 n55 boost pipe is needed
(sits closer to engine) 80$ if you check on amazon
www.ebay.com/i...
Coolant lines needed
(upper and lower) From Auto parts store
Lower coolant hose (GATES 25482)
www.gates.com/...
Upper (GATES 23882)
www.gates.com/...
BMW coolant line hose clamps qty4
P/n 07129952119
Connector block up plug for upper radiator hose google part# 7799184
N54 heater recovery hose is needed for clearance purposes.
P/n 17127548230
(buy a used one if possible) plastic center pipe needs to be removed and capped off.
Engine mount ground cable is relocated
(Use your m54 positive starter cable)
attaches to e46 preexisting grounding point The other end bolts up to water pump ground.