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Re: ========== BAD Engines in 1994 740iL ========= (archive)

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Posted by Max Fretter (NZ 87 735i) on April 08, 2001 at 03:38:16:

In Reply to: ========== BAD Engines in 1994 740iL =========== posted by Matt on April 07, 2001 at 19:56:37:

Story on the V8 engines is specific to the US due to the high sulphur content in your fuel... the sulphur pits the top of the NIKASIL cylinders (aluminium coated with a nickel-silicon-carbide hardening coating) and so they fail - main symptom is a very rough idle and failed leakdown tests.

BMW apparently declared a 6 year extended warranty - check the other details in the archive - to replace the whole shortblock on affected cars with an ALUSIL engine, which doesn't suffer the problems.

You need to check the archives more - there have been posts in the last two months or so about the details of the warranty and how to find the block part numbers and how to determine which number is Alusil and which is Nikasil... don't panic yet, just sort out what & where you are with yours.

Also the headlight/foglight cleaners work (as far as I can remember) by using the "extensive wash" option on the wiper stalk - push it in towards the steering column (not backwards or forwards - straight in). Unsure but may also require the lights to be on...

Max


I just made a post and "Jeff" said that these cars had bad engines and BMW was replacing them!!!!!

Does a 1994 740iL have a bad engine??? I am picking up the car Monday or Tuesday!!!

Matt

PS Also, it has a cold weather package (Live in FL so dont need it!!!) and how do you use the little squirters in front of the lights??

~Matt





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