BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - Can I use Castrol 5w40 syntec in my 128i? Whats your opinion?

bam9382 · 02-11-2012, 01:34 PM

There is groupon in my area for a Synthetic full service multi point inspection and tire rotation oil change using 5w40 syntec. I usually just have BMW do it and do it once in between the 15k interval. I am about halfway through the interval and found a groupon for this for only 39 dollars!!!

What is your opinion on 5w40 syntec? Is it much different that the 5w-30 BMW uses? Any repercussions of using this?

02-11-2012, 01:34 PM	#1
bam9382 Private 12 Rep 83 Posts Drives: 2008 128i Coupe Join Date: Jan 2011 Location: Dallas iTrader: (0)	Can I use Castrol 5w40 syntec in my 128i? Whats your opinion? There is groupon in my area for a Synthetic full service multi point inspection and tire rotation oil change using 5w40 syntec. I usually just have BMW do it and do it once in between the 15k interval. I am about halfway through the interval and found a groupon for this for only 39 dollars!!! What is your opinion on 5w40 syntec? Is it much different that the 5w-30 BMW uses? Any repercussions of using this?
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