M44--> RPMs take LONG to drop down after Blipping the Throttle.... - BMW Forum - BimmerWerkz.com
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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 07-23-2008, 09:02 AM   #1 (permalink)
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Question M44--> RPMs take LONG to drop down after Blipping the Throttle....

I'm buying a 97 318i sedan (w/M44 engine) in just a few hours. One thing I know I need to fix/adjust is this.

When you "blip" the throttle, the engine RPMs seem to hang-up and don't drop immediately. I know 16-Valved engines loved to be revved, but the RPMs "should" drop off right as soon as the throttle is let off.

Other than this issue, the engine performs flawlessly.

Past experience tells me that this is a throttle body/butterfly setting.

If it is, how do I adjust it properly.
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Old 07-23-2008, 09:19 AM   #2 (permalink)
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you don't... if u suspect the butterfly, what u need is a can of carb cleaner or brake cleaner and spray it with gusto to take out all the gunk that is in there ;-)

a "hanging" throttle can also be a binding linkage. You'll need a body to flick your throttle so u can see what the linkage or cable does.

...or a faulty TPS is also possible.
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Old 07-23-2008, 09:35 AM   #3 (permalink)
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Originally Posted by darkhorse737 View Post
"hanging" throttle can also be a binding linkage. You'll need a body to flick your throttle so u can see what the linkage or cable does.
Thanks for the quick reply.

That actually makes sense since the throttle pedal feels "funny" to me (kinda hard like the floor mat is stuck under it....but it's not).

The engine is Not as responsive as I'd expect. I know the M44 is a dog (performance-wise), but the engine "should" respond (and decelerate) much quicker than it currently does.
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