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I wonder if anyone has experience or knowledge about ZF Lifeguard5 ATF versus Pentosin ATF1 automatic transmission fluid. Someone suggested that the ZF ATF is made by Pentosin. Any opinion regarding which is best for a 2001 BMW 325i ? There is also the BMW ATF but I wonder if that is made by...

I have a follow up question to my previous post. I have a 2001 BMW 325i with 153000 miles on it that has never had a previous automatic fluid transmission change. There was an Amsoil technical article saying that many mechanics recommend changing the ATF and Filter one more in the first few...

We bought a 2001 BMW 325i with 153,000 miles that had never had its automatic transmission changed. I have been told by different experienced sources different things. Our BMW dealer service manager sold he probably wouldn't do it as sometimes it creates problems. Consumer Reports in their new...

If you mix 87 octane with 93 octane, gallon for gallon, do you get 89 octane ? OR 1 gallon of 87 octane with two gallons of 93 octane, due you get 91 octane ? is this ok or not so much ?

Here is a pretty technical question for the chemists among us. I wonder which additive or additives make an oil a long lived oil like BMW LL-01 oils (Castrol 0-W40 or Mobil 1 0-W40)?

Any one have any thoughts on using Pennzoil Ultra 0W40 with SRT in 1993 BMW 318i with 350K miles on her ? The MaxLife is getting a little boring sometimes.

I wonder how long a good synthetic motor oil (like Castrol 0W30 or Mobil 1) can be used after its manufacturing date ? I just bought a couple of German Castrol 0W30 quarts with the SL designation. I wonder how old this is. Does anyone know how to interpret the numbering codes on the bottles to...

Has anyone used Wix Filters (No. 51223) for 6-7000 miles in a BMW 2002 325i ? I've never used Wix filters in the past and am planning on it. I usually use Mann filters. Any advantages ?

Would there be any advantage to using Castrol Edge 0W30 (now Belgian Castrol) over Castrol Edge 0W40 (now German Castrol) or vice versa (0W40 over 0W30) in a 2002 BMW 325i (with 150,000 miles) ? Any input would be appreciated.

I have a 1993 BMW 318i with a valve gasket that is leaking a little around the spark plugs' o rings. The car is miss firing a bit. If I clear out the small amount of oil near the plugs can I drive the car 10 miles without hurting anything ? Any input will be welcome. P>S. I'm thinking of...

My BMW 1993 318i's radiator has a slow leak. I've never used any products in the past to fix radiator leaks. Do any of them work well ? My car has 360,oo miles on it and I'm thinking it would be good to not invest too much in a new radiator (and water pump, etc.)

My wife hit a ground hog and cracked the center splash guard underneath the engine of our 2001 BMW 325i. It now has three tears of about 4-5 inches each (two are near the screws that hold it in place). Could any one tell me the best way to repair this type of plastic sheet ? Would gorilla tape...

I have a 2002 325it BMW and wonder if the Castrol 0W40 is as good (or better) for the car. The 0W40 is available in 5 quarts and the 0W30 is harder to find.

I was speaking with a BMW mechanic and he said one way to check how much wear a newer BMW automatic transmission (post 2000) has had is to read the ranges and adaptations in the automatic transmission control module. The mechanic said if the adaptations are within range the automatic...

We have a 2001 BMW 325i with an automatic and 150,000 miles. I wonder if we needed to rebuild the transmission with a rebuild kit, how long do rebuilt automatics usually last. Do rebuilds solve most issues that a malfunctioning transmission might have ?

I just bought a2001 BMW 325i. Its our first car with an automatic. It shifts well but has never had an ATF change. I'm wondering what's the average life of a ZF automatic transmission with or without regular ATF changes. The car has been driven with care. Any votes for just letting the automatic...

I just got a 2001 bmw 325i with 152,000 miles. It has never had its automatic fluid changed. I'm concerned about causing a problem if I change it. Does any one have any advice about the wisdom of changing it ?

I was changing my 2002 325IT engine oil as I have many times with a mann filter (same size as before). However, no matter what I tried I could not get the plastic housing cover to fit into the housing low enough to twist it back on. I looked at the oil filter and noticed it seemed a bit tall. I...

I have had stick shifts for the last 20 years and may need to buy a car with an automatic. I wonder how Civics, Corolla, BMW 3 series or Mini automatic transmissions compare in longevity or durability ?

I'm planning on buying a 2007 Civic with Automatic or a 2010 Prius or 2007 Corolla. I haven't bought a car with an automatic for about 20 years but my son is learning how to drive. Could anyone share their experience about these transmissions ? Thanks.