Here you have all step by step instructions & photos for timing chain replacement.
http://www.bimmerboard.com/forums/posts/876903
Good Luck!
Match up the timing marks shown here
16) Install flywheel pin located in the transmission bellhousing. Installing the flywheel pin is only possible when both "OT" marks are in alignment on the crankshaft pulley
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27) With oil lines removed note position of bank 1-4 intake and exhaust cam lobes. My fingers are pointing to the cam shaft lobes in the correct/current/locked position.
28) Install special tool set to lock down all for cams. Tool is marked with camshaft number, i.e. bank 1-4 (passenger side) and 5-8 drivers side of the car. The intake cam is referred to as the E cam/bank and the exhaust cam is referred to as the A cam/bank.
29) It will be necessary to use a shaved 27mm open ended wrench to gently turn each camshaft in order to lock the camshaft into the special tool.
30) With flywheel pin installed, chain trestle tensioned, and all 4 camshafts locked, install special lock pin tool into left and right hand upper timing chain tensioners. Tensioners are between each camshaft.
31) Assistance of another person recommended to counterhold camshaft in place with 27mm wrench. Remove bank 1-4 & 5-8 camshaft timing sensor plate and nut located on each intake cam with a 24mm wrench while holding camshaft in place, and in the locked position with a 27mm wrench. Set sensor plate aside in a careful place so that the plate doesn't get bent or distorted. Remember that "righty tighty and lefty loosey" does not apply to the camshaft bolts. Turing left = tighten bolt and turning right = loosen bolt. Loosen bank 1-4 & 5-8 exhaust camshaft sprocket bolt.
32) With assistance of another person, removal of bank 1-4 & 5-8 camshaft sprocket is now possible. Start on bank 1-4 (right side) exhaust cam. Slowly remove main timing chain off of right intake sprocket. Remove chain and set aside. 
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The timing chain marks diagram: 
Good Luck!
My 4.4 RR need timing chain job, makes typical noise but runs 100% yet RR dealer saws needs engine.could it runs great,aside from noise and need engine, not just cjain and guides
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IF I BRING CRANK TO TOP DEAD CENTER HOW DO I SET CAMS
I REALLY APPRECIATE ALL THE HELP U ARE GIVING ME BUT ITS NOT HELPING WITH MY ISSUE. THE TIMING CHAIN GUIDES BROKE. ITS A POSSIBILITY IT MAY HAVE JUMPED TIMING. I TURNED THE CRANK TO TOP DEAD CENTER BY YOUR DIRECTIONS BUT I NEED TO KNOW HOW DO I SET THE CAMS CORRECTLY. ARE THE TIMING MARKS THAT I CAN GO BY. I AM A MECHANIC BUT HAVE NEVER WORKED ON RANGE ROVER. IM READY TO REINSTALL BUT NEED TO MAKE SURE IM TIMING THE ENGINE CORRECTLY BEFORE I REASSEMBLE. THIS CAR IS DRIVING ME CRAZY. I NEED HELP!
I REALLY APPRECIATE ALL THE HELP U ARE GIVING ME BUT ITS NOT HELPING WITH MY ISSUE. THE TIMING CHAIN GUIDES BROKE. ITS A POSSIBILITY IT MAY HAVE JUMPED TIMING. I TURNED THE CRANK TO TOP DEAD CENTER BY YOUR DIRECTIONS BUT I NEED TO KNOW HOW DO I SET THE CAMS CORRECTLY. ARE THE TIMING MARKS THAT I CAN GO BY. I AM A MECHANIC BUT HAVE NEVER WORKED ON RANGE ROVER. IM READY TO REINSTALL BUT NEED TO MAKE SURE IM TIMING THE ENGINE CORRECTLY BEFORE I REASSEMBLE. THIS CAR IS DRIVING ME CRAZY. I NEED HELP!
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