E34 Touring 4.0 6spd

republik · 07-28-2012, 08:54 PM

Having a few performance issues. I'm going to lay 'em out, let me know what y'all think.

Performance lag when accelerating. This does not happen all the time; however, it happens frequent enought to be problamatic. You hear the engine wanting to go, but no real gains on accelerating.

The idle, with no identifiable trends, will peek up to 1700 rpm's and hold there for minutes at a time before coming back down. Generally, this happens after the engine is warmed up, and will just increase for no identifiable reason. If I hit the gas to try and knock it down, it will just increase the rpm's to which it idles at, usually being around 1700 as the highest.

A couple times the car has stalled when I am slowing down to turn into a parking lot. My foot has been on the clutch every time it has happened. This is infrequent, but nothing scares the crap out of you like trying to turn a school bus in a tight spot.

I will occasionally smell fuel and have some exhaust pops. Not running a cat and have Mark D chip due to previous drive train being an Auto. The chip eliminates the hesitation the brain creates for auto-shift. Supposedly the Mark D chip is suppose to run a bit richer.

Could my problem be the AFM? Got a way to troubleshoot this or identify what is the culprit? Let me know what you think.

Justin

ross1 · 07-29-2012, 08:43 AM

Sounds like a vacuum leak.
4.0 6 spd E34 touring? I'd like to see this one.

TrentW · 07-29-2012, 11:27 AM

Me too.

republik · 07-29-2012, 06:21 PM

Don't have many pics. 2 are in my profile of the exterior. Not sure how to post them on here without having them out on the web previously.

I will start checking for vacuum leaks.

Thanks!

M-technik-3 · 07-29-2012, 06:27 PM

Been done many times, Mach Schell had one for awhile. I will say they are a perfect tow vehicle.

republik · 07-29-2012, 06:35 PM

Quote:

Originally Posted by M-technik-3

Been done many times, Mach Schell had one for awhile. I will say they are a perfect tow vehicle.

As in get "AAA"? lol.

I also have a diamond schwartz 91 318i with an M20 swap and just about every upgrade possible. Love it, debating to keep it. However, only got time for one car. Currently working with Schneller 3er in changing some worn parts. Then my interior guys are going to comb through the car before putting it up for sale.

M-technik-3 · 07-29-2012, 06:39 PM

M60 in a e34 will tow a two axle trailer with ease.

republik · 07-29-2012, 06:49 PM

Gotcha~

xxx-Lost-Soul-xxx · 08-27-2012, 12:24 AM

fotos!

JA1991 · 08-27-2012, 12:17 PM

Quote:

Originally Posted by xxx-Lost-Soul-xxx

fotos!

^

07-28-2012, 08:54 PM	#1
republik Noobie Join Date: Jul 2012 Location: Schaumburg, IL Posts: 5	E34 Touring 4.0 6spd Having a few performance issues. I'm going to lay 'em out, let me know what y'all think. Performance lag when accelerating. This does not happen all the time; however, it happens frequent enought to be problamatic. You hear the engine wanting to go, but no real gains on accelerating. The idle, with no identifiable trends, will peek up to 1700 rpm's and hold there for minutes at a time before coming back down. Generally, this happens after the engine is warmed up, and will just increase for no identifiable reason. If I hit the gas to try and knock it down, it will just increase the rpm's to which it idles at, usually being around 1700 as the highest. A couple times the car has stalled when I am slowing down to turn into a parking lot. My foot has been on the clutch every time it has happened. This is infrequent, but nothing scares the crap out of you like trying to turn a school bus in a tight spot. I will occasionally smell fuel and have some exhaust pops. Not running a cat and have Mark D chip due to previous drive train being an Auto. The chip eliminates the hesitation the brain creates for auto-shift. Supposedly the Mark D chip is suppose to run a bit richer. Could my problem be the AFM? Got a way to troubleshoot this or identify what is the culprit? Let me know what you think. Justin

08-27-2012, 12:24 AM	#9
xxx-Lost-Soul-xxx E30 Mastermind Join Date: Apr 2008 Location: Roseville Yard Posts: 1,629	fotos! __________________ Like Our music,Let us know! https://www.facebook.com/DehasseMusic?ref=ts&fref=ts

07-29-2012, 08:43 AM	#2
ross1 Member Join Date: Oct 2009 Location: chicago Posts: 59	Sounds like a vacuum leak. 4.0 6 spd E34 touring? I'd like to see this one.

07-29-2012, 11:27 AM	#3
TrentW R3VLimited Join Date: Aug 2008 Location: Chicago Posts: 2,104	Me too.

07-29-2012, 06:21 PM	#4
republik Noobie Join Date: Jul 2012 Location: Schaumburg, IL Posts: 5	Don't have many pics. 2 are in my profile of the exterior. Not sure how to post them on here without having them out on the web previously. I will start checking for vacuum leaks. Thanks!

07-29-2012, 06:27 PM	#5
M-technik-3 R3V OG Join Date: Oct 2003 Location: Global: Massachusetts Posts: 14,177 Images: 10	Been done many times, Mach Schell had one for awhile. I will say they are a perfect tow vehicle.

07-29-2012, 06:39 PM	#7
M-technik-3 R3V OG Join Date: Oct 2003 Location: Global: Massachusetts Posts: 14,177 Images: 10	M60 in a e34 will tow a two axle trailer with ease.

07-29-2012, 06:49 PM	#8
republik Noobie Join Date: Jul 2012 Location: Schaumburg, IL Posts: 5	Gotcha~