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5 Series DIY
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Old 10-05-2011, 06:26 AM
crewzer crewzer is offline
Registered User
Location: Vienna, VA
 
Join Date: Sep 2011
Posts: 98
Mein Auto: 06 E61 530Xi 6-spd manual
Question 2006 E61 -- Drain and Fill Fluids

We recently acquired a 2006 E61 530xi Sports Wagon with 40K miles. The car is fitted with the lovely N52B30 3.0L engine and a GS6X-37BZ six-speed manual transmission, and was built in September, 2005, making it six years old.

Some service work was recently done (and/or CBS items reset), including the engine- and cabin air filters. However, I’m not a big believer in “lifetime fluids”, especially once a car’s powertrain warranty has expired. Accordingly, I think a front-to-back D&F of fluids and other filters is in order.

Here’s what I have in mind:
Coolant: BMW coolant (part# 82 14 1 467 704) mixed down to 50:50 (~10 liters total)
Front Diff: Red Line 75W90 synthetic gear oil (0.6 liter)
Engine Oil: 0W-30 German Castrol oil (6.9 qts) plus a new HU 816 filter
Brake and clutch fluid: DOT 4 as required
Manual Transmission: Redline D6 ATF (Per Red Line recommendation; 1.6 liters) instead of BMW MTF-LT3
Transfer Case: BMW specific transfer case fluid (part# 83 22 0 397 244, 0.52 liter)
Rear Diff: Red Line 75W90 synthetic gear oil (1.0 liter)
Misc replacement plugs, washers, and/or O-rings as required
While we’re at it, I’ll also replace the stock clutch delay valve (CDV) with a modified CDV-002 from Zeckhausen. My older son is a Porsche and BMW mechanic, and one of us will assist the other in doing the work.

I believe this should do it. Comments, corrections, and/or suggestions are welcome, especially w/r/t the plan for the MT fluid change. Unless there's a compelling reason to do so, I'm really not interested in buying a 5 liter jug of LT3 to do a 1.6 liter job.

Thanks!
Jim / crewzer
__________________
E61: 2006 530xi Sports Wagon | N52B30 & 6-Speed MT w/ CDV mod | A08 Silver Gray | Premium- & Cold Weather Packages | Member BMWCCA/NCC
E3: 1972 Bavaria 3.0A, retired long, long ago...
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