My oil level has dropped to 0.1 so im going to fill her up. Ive read on the forum that Castrol edge 10W 60 is the one to use. However the only one i can seem to find in Halfords is Castrol edge 0W 30. IS this ok to use ??
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TWS is the recommended oil for all M cars - it's specified in the service and is also sold over the counter at BMW parts.Originally posted by mattbedford View PostYeah its not the right one. Cstrol edge is for m series bmw. Sport version is for turbos i think...
I have bought 2 refills at two different dealers and both specified TWS for the CSl...
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Originally posted by glendog74 View PostTWS is the recommended oil for all M cars - it's specified in the service and is also sold over the counter at BMW parts.
I have bought 2 refills at two different dealers and both specified TWS for the CSl...
def only use Castrol TWS MSport 10W-60 or the engine will disintegrate within 3 miles:smokin:
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A write up I did for another forum on the engine oil ...
ENGINE OIL .... THERE IS ONLY 1:
- There are mixed information out there about the engine oil for the S54B32, some say there's two approved oil out there, whilst others stand by the fact that there's only 1 approved BMW engine oil for this motor.
- THERE IS ONLY ONE APPROVED BMW ENGINE OIL FOR THIS MOTOR PERIOD!!
So where's the confusion coming from? - well put simply, different branding between different continents. And the initial information from BMW that Castrol RS 10W-60 was also an approved oil in the Training manual for the S54B32 - it no longer is and have not been since end of 2002 when engines started blowing up.
Page from the training manual (read the last sentence)

REMEMBER THE FORMULA RS 10W-60 IS NO LONGER APPROVED!!! THERE'S A BMW TIS FOR THIS (SINCE MID 2002)
The ONLY Approved oil is: Castrol TWS 10W-60 (or the UK equivalent Castrol Edge 10W-60) - These two are the SAME OIL, just different branding between different continents.
Castrol Edge "Sport" 10w-60 IS NOT AN APPROVED OIL and not the same as the UK version of Castrol Edge 10w-60
Here's the spec for the TWS
TWS Motorsport 10-60
Relative density @ 20.0 deg C = 0.865
Viscosity at 40 deg C = 163.1
Viscosity at 100 deg C = 24.3
Viscosity Index = 181
Flash Point (closed) deg C = 198
Pour point deg C = -42
TBN = 8.1
Information on:
Castrol Edge in the UK
http://www.castrol.com/castrol/productdeta...ntentId=7027067
Castrol TWS data sheet
http://www.tds.castrol.com.au/pdf/4247_TWS...397_2006_09.pdf
In comparison to Castrol Edge "sport" data sheet (you'll notice quite a difference between the two)
http://www.tds.castrol.com.au/pdf/4398_EDG...0W60_200601.pdf
So remember to put the correct oil into your motor.
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