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post #1 of 7 Old 18th March 2006, 02:07 AM Thread Starter
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S85 V10 oil level service bulletin

SI B11 01 06
March 2006
Technical Service

S85 Engine Oil Level and Oil Service Information

M5, M6

The BMW TIS and Owner's manual state an engine oil capacity specification of 9.3L with filter. Using this quantity during an oil service may result in overfilling. The approximate capacity, when performing an oil service, is closer to 8.8 liters following the procedure outlined below.
The S85 engine is equipped with a quasi-dry sump oil lubrication system. For this reason, the primary oil pump contains two oil pumps and is driven by a chain connected to the high pressure VANOS pump. One of the pumps is a duocentric design which pumps oil from the front oil pan area, ahead of the power steering gear, back into the main rear oil sump. When performing an oil service it is important that the oil in the front oil pan area is pumped into the rear sump before the engine oil is drained. To do this, follow the procedure outlined below.
Refer to TIS procedure RA 00 00 610 Engine Oil Service (S85) and follow all safety precautions.
Important notes!
  • Check for overfilling, using the BC function as described below, before draining the engine oil. If the engine is overfilled, additional oil may remain in the front area of the oil pan even after performing the extended idle, as described below. If the engine is found to be overfilled, correct by draining the oil filter housing (approx. 0.4 liters), reinstall housing drain plug, and recheck the oil level. Repeat this procedure, as needed, to obtain a correct oil level before beginning the oil service procedure.
The S85 displays the amount of oil above or below the MIN mark. For example: a reading of 1.0 would indicate the maximum allowed oil level which is 1 liter above the minimum. An oil level maintained between the MIN and MAX marks is recommended.
Refer to the owner's manual, the ST505 M5 E60 Complete Vehicle training manual, or attachment: S85_Oil_Level.PDF, for a list of possible displays.
  1. The engine must be run at idle, while at operating temperature (engine oil temperature greater than 70C), for one minute with the vehicle stationary in a level workstall. This procedure will pump the majority of the oil from the front oil pan area to the rear sump immediately prior to draining.
  2. Follow the repair instructions for draining engine oil and replacing the filter element and sealing rings.
  3. Re-fill the engine oil with 8 liters of Castrol TWS Motorsport SAE 10W-60 Synthetic Oil.
  4. Start the engine and run until full engine operating temperature is reached (engine oil temperature greater than 70C). An oil level reading in the instrument display, using the on-board computer button can now be performed. To perform a "Quick Measurement" oil level check using the BC function, press and hold the BC button for greater than two seconds to begin the test.
  5. Once a level reading is displayed, correct by adding the calculated the top off quantity, if needed, as described in the repair instructions. Never overfill above the MAX
Additional Information!
Any top off of 0.5 liters or less will not be indicated as a change in the oil level display until the vehicle is driven for an extended time.
The "Long - Term Measurement" is the preferred method to achieve the most accurate oil level reading. This analysis of the oil level signal, by the DME, can take some time to complete depending on various engine operating conditions while driving.
At the1200 mile running-in inspection, the CBS reset must only be performed using the GT1/DISplus. This ensures that the DME changes the oil level calculation algorithm used for the break-in oil to that needed for the Castrol TWS Motorsport SAE 10W-60 Synthetic Oil. Performing this initial CBS reset through the instrument cluster will not make this algorithm change and fluctuations in the displayed oil level may result. This status is displayed in the Diagnosis test module path for the Oil Condition Sensor:
Function Selection / Complete Vehicle / Drive / Motor Electronics / Oil Supply / Oil Condition Sensor.
It is also recommended to use this reset procedure for all subsequent Condition Based Oil Services as well.
Information only.

Attached Files
File Type: pdf B110106S85_Oil_Level_Chart.pdf (33.5 KB, 2106 views)

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post #2 of 7 Old 18th March 2006, 04:01 PM
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post #3 of 7 Old 18th March 2006, 04:26 PM
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Love my bimmer, and can't wait to get my M6, but this seems almost funny when you realize the relative complications they have added to a simple oil change. I just replaced my front turn signal on my X5. While it was a simple task once you understand the procedure, it did take some research on X5world to figure it out (DIY with pictures and all).

I guess the days of simple light bulb replacements and oil changes without the need to study up are over! Anybody have the procedure down for fueling up!! Understanding of course, the first step is whipping out the wallet!

Ha...Ha you drive a Bimmer, said the Ferrari driver! Yes, but my car is faster, more comfortable, has a superior motor, and, it sounds really awesome. But, that F-car is pure sex and the chicks really dig 'em....said the M/// driver!
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post #4 of 7 Old 23rd May 2006, 04:06 AM
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post #5 of 7 Old 2nd August 2006, 08:56 AM
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Thanks...printed it up and taking it to the first oil change... never let'em get one up on you!
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post #6 of 7 Old 12th November 2006, 06:10 PM
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Angry Wish I had brought this service bulletin to my 1,200 mile service!

I saw this helpful post a while back and certainly should have brought it with me to my first servicing yesterday!

I'm extremely dissapointed - my dealer screwed up my 1,200 mile post-break-in service by overfilling the engine Oil - the oil level display is maxed at 1.5L indicated. I'm fairly certain that the service tech never drained all the oil, did not appreciate this service bulletin, and didn't check the oil level properly (cold engine) as he filled it.

He later stated that he added 10 liters - 9.3L is the spec capacity and the service bulletin states that 8.8L typically achieves refill as it is difficult to drain all of the oil from the quasi dry sump system on this engine! He added 9L, checked the dash oil level display and found that it indicated -0.4L. So, he added the 10th Liter thinking this would achieve a 0.6L reading.

Bottom line, I had to chug home carefully at low RPM's when I should have been enjoying my first M experience! I noticed something interesting on that careful drive home - the engine oil temperature would move all over the place! While the oil temp had always stayed below 210F during the break in, it quickly climbed above 210 on the drive home. It was at that point that I lugged along at 2,000 RPM, and the oil temp dropped before my eyes back to what I was used to. Reving for several seconds above 3,000 and the temp climbed immediately.

What I think might be happening is that in oil overfill mode, the crank is splashing in the sump and oil is drenching the hot underside of pistons and the cylinder walls below the pistons and taking off heat. At really high engine speeds, the load on these crankshaft-oil pool impacts might not be good for the motor, not to mention foaming the oil and doing who knows what to the oils behavior through the pumps and in the bearings?! Presumably, as the manual states categorically to not overfill and to seek service imediately upon observing an overfill reading, overfill is not good!

I will chug carefully back to my dealer Monday morning and will interview techs until I find one who sounds cognizant of the S85 engine's peculiariy with respect to changing oil. If I can't find a knowledgeable one, I will put the service bulletin in front of him and make sure it is understood!
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post #7 of 7 Old 7th February 2018, 06:24 AM
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2008 m6 triple black.
OEM black M logo baseball cap
Non OEM carbon fiber m logo key wallet for FOB
Golden yellow h8 angel eyes
3000k yellow DS1 HID bulbs
Euro Rear Fog Switch
CarbonXP 5 % tint all around. 80 % windshield
Run Flats on rear tires
Duralast Platinum battery
550 Lumen amber side marker LED's en route
m6 OEM floor mats in anthracite (black)
m6 OEM trunk mat in anthracite ( black)
water wetter red line racing add in to coolant
red line racing engine fuel treatment add in
charcoal delete
k and n filters in engine

Plans -
Front and rear diffuser color matched black saphire
Custom coding ( buy software and cable)
Upgrade reverse LED lighting
Change to RED license plate lights
(I'm on an ANTI-WHITE light campaign at the moment)
Change main interior illumination light to red or orange red to match standard decor
Change left and right map lights to bright white for when real visibility is needed.
Add carbon fiber to steering wheel
Fix all clear coat scratches
Fix all regular scratches
Do a full wax buff on vehicle, engine clean
cabin k and n filters

Full castrol TWS oil change with high quality oil filter
magnetic oil filter rings?
nice 3k pound rated low profile jacks (2)
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3 ton jack stands (2 or 4)
high quality battery charger and maintainer
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