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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > High Mileage Maintenance Fluid Change.



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      12-13-2017, 08:54 PM   #1
GEOS07335i
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High Mileage Maintenance Fluid Change.

So I just picked up an 08 335i E93 AUTO Sport with 123K. It could use a little TLC. I plan on first addressing all fluid changes. Because I'm just not sure what the previous owner has done. Here is what I was thinking. Please point me in the right direction. I will plan on using this as a weekend car it's auto and planning on doing FBO. I will not be tracking the car. Just a few speed runs to and from work. I will only be driving it about 50 miles a week as I work from home most of the time.
Let me know what the brands I should use.

1) Read Diff Fluid Change - I was going to use Redline 75W90 From what I understand it uses just over a quart.
2) Radiator Fluid Change - Use 50/50 BMW Coolent with 50% distilled
3) Brake Flush - BMW OEM.
4) Power Steering - CHF 11s
5) Transmission - ????
6) plan on replacing cabin filter
7) Oil and Filter just replaced (complete)
8) 6 plugs and 2 coils just replaced.

I dont plan on addressing any of the bushings and suspension at this time. This is just phase one.

Last edited by GEOS07335i; 12-14-2017 at 09:09 AM.
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      12-13-2017, 09:04 PM   #2
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When doing coolant flush I highly recommend you go to bmw and buy a new drain plug. The whole stem. It's like 8$. AND replace the plastic line that goes across the radiator. My exploded yesterday at 120k and left me stranded. Lucky for you I have a brand new line here (used for 2 days to get my car home and then upgraded my current one). I even upgraded the plastic part to rubber so it will never break. Only 50$ shipped to USA.
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      12-13-2017, 09:42 PM   #3
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Quote:
Originally Posted by GEOS07335i View Post
So I just picked up an 08 E93 AUTO Sport with 123K. It could use a little TLC. I plan on first addressing all fluid changes. Because I'm just not sure what the previous owner has done. Here is what I was thinking. Please point me in the right direction. I will plan on using this as a weekend car it's auto and planning on doing FBO. I will not be tracking the car. Just a few speed runs to and from work. I will only be driving it about 50 miles a week as I work from home most of the time.
Let me know what the brands I should use.

1) Read Diff Fluid Change - I was going to use Redline 75W90 From what I understand it uses just over a quart.
2) Radiator Fluid Change - Use 50/50 BMW Coolent with 50% distilled
3) Brake Flush - BMW OEM.
4) Power Steering - CHF 11s
5) Transmission - ????
6) plan on replacing cabin filter
7) Oil and Filter just replaced (complete)
8) 6 plugs and 2 coils just replaced.

I dont plan on addressing any of the bushings and suspension at this time. This is just phase one.
What car? 328 or 335.
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      12-14-2017, 09:01 AM   #4
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Originally Posted by Sgop335 View Post
What car? 328 or 335.
335i
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      12-14-2017, 09:54 AM   #5
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335i
For atf, looks like this is a good one. Great price, Febi:

http://www.rmeuropean.com/Products/8...445-MFG36.aspx

For rear differential, think many folks here use redline 75w90, altho I prefer and recommend Motul gear300 75w90
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      12-16-2017, 04:32 PM   #6
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Quote:
Originally Posted by GEOS07335i View Post
So I just picked up an 08 335i E93 AUTO Sport with 123K. It could use a little TLC. I plan on first addressing all fluid changes. Because I'm just not sure what the previous owner has done. Here is what I was thinking. Please point me in the right direction. I will plan on using this as a weekend car it's auto and planning on doing FBO. I will not be tracking the car. Just a few speed runs to and from work. I will only be driving it about 50 miles a week as I work from home most of the time.
Let me know what the brands I should use.

1) Read Diff Fluid Change - I was going to use Redline 75W90 From what I understand it uses just over a quart.
2) Radiator Fluid Change - Use 50/50 BMW Coolent with 50% distilled
3) Brake Flush - BMW OEM.
4) Power Steering - CHF 11s
5) Transmission - ????
6) plan on replacing cabin filter
7) Oil and Filter just replaced (complete)
8) 6 plugs and 2 coils just replaced.

I dont plan on addressing any of the bushings and suspension at this time. This is just phase one.
Redline makes trans fluid for the e90. You'll need the right tools for this. A stubby 14mm Allen wrench for starters. It takes a pan filter that runs about $100.00.

I'd replace all my coils at that mileage...

Liquid Moly makes a radiator flush

I agree on the radiator plug. That's a very small $ for a huge investment.
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      12-19-2017, 12:31 PM   #7
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As mweisdorfer said male sure you have the tools required for transmission service. Special tool to fill it up and software to check temperature before you check the level. Know how as well. If not best is to go to shop .
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      12-19-2017, 12:52 PM   #8
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Quote:
Originally Posted by mweisdorfer View Post
Redline makes trans fluid for the e90. You'll need the right tools for this. I stubby 14mm Allen wrench for starters. It takes a pan filter that runs about $100.00.

I'd replace all my coils at that mileage...

Liquid Moly makes a radiator flush

I agree on the radiator plug. That's a very small $ for a huge investment.
There is a good youtube video that shows a complete transmission flush for under $100 on an E90 335i. He used an ebay transimission filter/pan $34 (there integrated) came with new bolts too. And redline tranny fluid. Then used k-ban cable and INPA to check temperature etc... me made it look fairly easy DIY.
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      12-19-2017, 03:10 PM   #9
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Quote:
Originally Posted by GEOS07335i View Post
There is a good youtube video that shows a complete transmission flush for under $100 on an E90 335i. He used an ebay transimission filter/pan $34 (there integrated) came with new bolts too. And redline tranny fluid. Then used k-ban cable and INPA to check temperature etc... me made it look fairly easy DIY.
Definitely not complete transmission flush! What about the oil in torque converter and transmission cooler?
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      12-19-2017, 05:12 PM   #10
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Quote:
Originally Posted by GEOS07335i View Post
Quote:
Originally Posted by mweisdorfer View Post
Redline makes trans fluid for the e90. You'll need the right tools for this. I stubby 14mm Allen wrench for starters. It takes a pan filter that runs about $100.00.

I'd replace all my coils at that mileage...

Liquid Moly makes a radiator flush

I agree on the radiator plug. That's a very small $ for a huge investment.
There is a good youtube video that shows a complete transmission flush for under $100 on an E90 335i. He used an ebay transimission filter/pan $34 (there integrated) came with new bolts too. And redline tranny fluid. Then used k-ban cable and INPA to check temperature etc... me made it look fairly easy DIY.
To do a complete transmission flush, you'd need the special tool needed to release the hydraulic fitting from the trans cooler return line that feeds the WARM trans cooler fluid from the transmission. This tool only costs about $13-14.00.

You'd need a transfer pump of some sort, and you'd need some way of measuring temp of the fluid in the pan whether it be an app, a code reader like foxwell, a laser temp gun etc., for the final fill. The temp needs to be 95 to 120F degrees, I think.

Plus you'd need about 12-14qts if tranny fluid on hand.

As mentioned earlier, you need a stubby 14mm Allen. You can buy them that way or make it stubby yourself with the right tool(s).
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