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Manual Transmission Fluid Flush on your BMW
 
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Pelican Technical Article:

Manual Transmission Fluid Flush on your BMW

Nick Czerula

Time:

1 hour1 hr

Tab:

$30

Talent:

**

Tools:

Fluid pump, 8mm Allen bit

Applicable Models:

BMW 325i Sedan (2006)
BMW 325xi Sedan/Wagon (2006)
BMW 328i Coupe/Conv (2007-13)
BMW 328i xDrive Coupe (2009-13)
BMW 328i xDrive Sedan (2009-11)
BMW 328i xDrive Wagon (2009-12)
BMW 328i/xi Sedan (2007-11)
BMW 328i/xi Wagon (2007-12)
BMW 328xi Coupe (2007-13)
BMW 330i/xi Sedan (2006)
BMW 335i xDrive Coupe (2009-13)
BMW 335i xDrive Sedan (2009-11)
BMW 335i/is Coupe/Conv (2007-13)
BMW 335i/xi Sedan (2007-11)
BMW 335xi Coupe (2007-13)

Parts Required:

Manual transmission fluid, Fill and Drain plugs

Hot Tip:

Work on hard level surface.

Performance Gain:

Extend life of gear box

Complementary Modification:

Replace drain and fill plugs with new
The BMW E90 manual transmission fluid is filled at the factory with lifetime fluid (green arrow).
Figure 1

The BMW E90 manual transmission fluid is filled at the factory with lifetime fluid (green arrow). However, BMW does not define what the lifetime is. Therefore, it is a good idea to service your fluid every 60,000 miles. If you're unsure of the last service, replace the fluid as soon as possible. Doing so will extend the life of your transmission. There are many options for replacement fluid. Choose the best you can afford and be sure it meets BMW's current specifications for your vehicle. You will also want to replace your fluid if you have repaired a leak. Drive vehicle for about five minutes to warm manual transmission fluid. Jack up all four corners of your vehicle. I suggest using four jack stands and slowly raising vehicle to required height. Vehicle needs to be level when checking and replacing fluid. Remove splash shield. See our tech article on engine splash shield removal.

Working at side of transmission, remove fill plug.
Figure 2

Working at side of transmission, remove fill plug. (green arrow) The fill plug can be tough to get out at times. If this is the case, use a ratchet with a short 8mm Allen bit. If you don't have a short bit, use a longer one with an 8mm wrench on it to break fill plug free.

Place drain pan under transmission and remove fluid drain plug.
Figure 3

Place drain pan under transmission and remove fluid drain plug. (green arrow) Be sure your drain pan has a capacity of at least four liters. Once fluid has drained, reinstall and tighten drain plug.

Using a fluid pump, fill transmission until fluid flows out of fill plug hole.
Figure 4

Using a fluid pump, fill transmission until fluid flows out of fill plug hole. Then allow fluid to run out until it flows out slowly from bottom of hole.

The plugs on E90 models have a rubber seal, no washer.
Figure 5

The plugs on E90 models have a rubber seal, no washer. I suggest replacing the fill and drain plug when you service your fluid. Install fill plug and tighten.

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Comments and Suggestions:
Abi Comments: My E90 325i is 82K miles. Is it worth changing the fluid as i guess it's still on the original fill or is it lifetime.
November 13, 2016
  Followup from the Pelican Staff: It is worth it if trans is running ok. - Nick at Pelican Parts  
Sotek Comments: Hi, what are the torque values required for the fill and drain plugs?
October 26, 2016
  Followup from the Pelican Staff: I don’t have that info.


I would grab a repair manual. It will have the torque specs. - Nick at Pelican Parts
 
mahmoud Comments: how many liter Manual Transmission for my car
its a E90 BMW 316i 2008
gear BOX
April 27, 2015
  Followup from the Pelican Staff: We don't have that vehicle in the US, so I don't have that info. - Nick at Pelican Parts  
LLEMO Comments: I HAVE A BMW 328I 2007, THE LABEL ON MY CAR STATES I NEED MTF LT-3 FLUID. CAN YOU TELL HOW MUCH FLUID I NEED?
November 20, 2014
  Followup from the Pelican Staff: All E90 manual transmissions hold about 2 quarts. - Nick at Pelican Parts  
stuartgto Comments: I've seen it has been recommended to use magnetic drain and fill plugs when changing MT fluid. Should washers be used with these plugs if rubber seals are not available? Your thoughts?
August 18, 2014
  Followup from the Pelican Staff: I wouldn't know. The drain plug you choose would likely come with a seal. - Nick at Pelican Parts  
Vinny Comments: Hi: How many quarts are needed to refill the manual transmission fluid ? I was told is about 2...
January 20, 2014
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799. They can help you find the right fluid and amount. - Nick at Pelican Parts  

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Page last updated: Wed 12/7/2016 02:23:17 AM