Engine oil PENNZOIL or OEM BMW
I run Pennzoil ultra platinum oil and GM syncromesh trans fluid
Ultra premium is the best oil after amsoil, but amsoil is too expensive for this car, pennzoil is the best and cheap
I've been using penzoil platinum
I’ve used nothing but Pennzoil Platinum since the free oil changes ran out, 150k or so now, and never had a problem.
Zero need to get under the car, I loathe having to do it with my BMW stuff. With the Mrs' Audis I could literally change the oil in a tuxedo & not get a drop of oil on myself.
I prefer ultra platinum over mobil 1 since ultra is used with a group 3+ base oil, which has better heat handling than regular group 3 oil.
On my M135i F21 LCI, I always let the initial cold-start finish until the idle drops and then start driving while not going above 4.000 for the first ca. 5km and not giving full gas until the engine oil temperature is 72c or more.
Been doing that and till now no issues or leaks, the engine is running sweet.
I do a 5K oil change interval. I let it warm up for 5+ minutes every morning. Not necessarily because I'm intending to warm it up to operating temp but because that's just how my morning routine goes. I drive moderately and keep the RPM's below 3K and try to keep below 50% load on the engine, aka drive moderately.
I use pennzoil ultra platinum 0w-20 and a purolator BOSS filter
Pennzoil is fine, definitely not the best though (my 9th Gen si burned a lot using it) if you can get Mobil 1 or Castrol l I’d go for them instead and use an oem filter.
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