Search found 177 matches

by emac
Mon Mar 25, 2024 4:15 pm
Forum: Tires and Wheels
Topic: Proper Hubcentric Rings for E39 wheels
Replies: 27
Views: 57608

Re: Proper Hubcentric Rings for E39 wheels

these are the ones I use on my M6. Cheap enough to buy a couple of sets. I usually bring my wheels to the tire shop. I dont trust many folks these days working on cars older than they are!

https://www.amazon.com/gp/product/B074W ... UTF8&psc=1
by emac
Mon Mar 25, 2024 3:00 pm
Forum: Engine - Mechanical - Electrical
Topic: Close Call, Just Lucky. or Neither
Replies: 12
Views: 643

Re: Close Call, Just Lucky. or Neither

Like others, I am a long time BMW owner and have been using Deltran chargers/maintainers for many years with no issues. Jump starting or high amp "boost" may be a concern, and by keeping the battery charged you don't have to resort to those methods.
by emac
Tue Jan 23, 2024 1:49 am
Forum: Engine - Mechanical - Electrical
Topic: Coolant reservoir connector
Replies: 6
Views: 986

Re: Coolant reservoir connector

thanks for the part #
by emac
Tue Jan 23, 2024 1:42 am
Forum: Exterior
Topic: Wiper Arm Guard Screw
Replies: 10
Views: 808

Re: Wiper Arm Guard Screw

Can you post a picture of what part you are looking for? I am not sure I understand.
by emac
Mon Jan 01, 2024 4:05 pm
Forum: Engine - Mechanical - Electrical
Topic: 1988 635csi starts then won't restart after running a few minutes
Replies: 12
Views: 1327

Re: 1988 635csi starts then won't restart after running a few minutes

When it fails to start, that is the time to start testing and diagnosing. Everything else is a guess, and throwing parts at it. This is a good article for testing the system. Once you read through a few times, it will begin to make sense and seem a lot less complicated. FWIW, my reference sensor tes...
by emac
Wed Dec 20, 2023 12:59 am
Forum: Engine - Mechanical - Electrical
Topic: Buying an alternator?
Replies: 8
Views: 1147

Re: Buying an alternator?

I vote for trying to rebuild it. I havent had good luck with the big box stores and you may end up giving up yours as a core. We used to have local shops that rebuilt alternators and starters but they are long gone. I have rebuilt a couple with success. May just need a voltage reg. Get a Bosch numbe...
by emac
Fri Nov 24, 2023 3:10 am
Forum: Engine - Mechanical - Electrical
Topic: OEM Style Rear Muffler
Replies: 6
Views: 944

Re: OEM Style Rear Muffler

A few years ago I bought an OEM muffler for my 87 m6. Cheapest place was the dealer as I didnt have to pay shipping. It had to be shipped from Germany.
by emac
Wed Oct 04, 2023 1:53 pm
Forum: Engine - Mechanical - Electrical
Topic: No Power, Running Super Rich
Replies: 26
Views: 2053

Re: No Power, Running Super Rich

My mechanic did test the pressure at the rail. I don't remember what the pressure was, but I do recall him putting a guage on it and being happy with the result. We pulled all of the injectors, checked to make sure none were stuck open, and looked for spray pattern. Does that mean you had the injec...
by emac
Mon Sep 18, 2023 7:12 pm
Forum: Engine - Mechanical - Electrical
Topic: No Power, Running Super Rich
Replies: 26
Views: 2053

Re: No Power, Running Super Rich

Fuel pressure regulator on fuel rail? I had one go bad causing too much pressure and very poor running except with wide open throttle.
by emac
Wed Sep 13, 2023 12:04 am
Forum: Engine - Mechanical - Electrical
Topic: No Spark 85 635: Update?
Replies: 6
Views: 878

Re: No Spark 85 635: Update?

Not sure exactly what you have tested but have you gone through this article? https://hpsimotorsports.com/blogs/tech-articles/bosch-motronic-fuel-injection-tech-article See my m6 no start thread. I just went through this, it can be frustrating, especially if you are grasping. Mine turned out to be f...
by emac
Tue Sep 12, 2023 10:32 pm
Forum: Engine - Mechanical - Electrical
Topic: Crank, no start.
Replies: 6
Views: 472

Re: Crank, no start.

Just went through this. I suggest going through the posted troubleshooting article. According to the article my reference sensors tested bad. Replaced them and still no start. Not sure why my testing didnt match the article. That article is very good once you go through it several times. Turned out ...
by emac
Tue Sep 12, 2023 10:25 pm
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

20230912_181551.jpg
20230912_181551.jpg (97.09 KiB) Viewed 476 times
Turned out the injectors were clogged, I guess from sitting. Back running again.
by emac
Wed Sep 06, 2023 11:58 am
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

Slownrusty wrote: Wed Sep 06, 2023 11:30 am Please keep us updated, I hope it's the injectors
Thanks, me too!

If it turns out it is the injectors, I wont feel too bad as I have learned a lot about the Motronic system. It isnt as scary as I thought.
by emac
Wed Sep 06, 2023 11:17 am
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

After a lot of rechecking I have narrowed it down to fuel injectors. I pulled them and dropped them off to be cleaned. Fingers crossed that is the issue. I am getting fuel to the rail. Power to the injectors. Spark to the plugs and it will run for a short time with starting fluid. Clogged injectors ...
by emac
Fri Sep 01, 2023 7:11 pm
Forum: Engine - Mechanical - Electrical
Topic: Fuel Rail Leak
Replies: 9
Views: 623

Re: Fuel Rail Leak

Not only do you have to worry about water issues (phase seperation) with Ethanol fuel, but ethanol is a solvent. All those years of using regular fuel leaves a varnish in the tank and the lines. The ethanol cleans up that varnish putting into the system as gunk cloogging stuff up. I would not use Et...
by emac
Fri Sep 01, 2023 1:50 am
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

Not making any progress. Replaced speed/reference sensors and it's not starting. Rechecked all electrical and everything checks out. Relays, fuel pump, fuel pressure regulator, wiring, etc. I put a timing light on a plug wire and I appear to be getting spark. I removed the fuel filter and main pump....
by emac
Thu Aug 31, 2023 2:01 am
Forum: Engine - Mechanical - Electrical
Topic: SRS light
Replies: 7
Views: 521

Re: SRS light

found this online, cant confirm its works but it may be worth a shot

https://www.bmwccae31.com/DOCS/Howto/Re ... Models.pdf
by emac
Thu Aug 31, 2023 1:33 am
Forum: Engine - Mechanical - Electrical
Topic: Coolant reservoir connector
Replies: 6
Views: 986

Re: Coolant reservoir connector

motroman wrote: Thu Aug 31, 2023 12:37 am Sorry for not getting back to you. Thanks for the recommendation. I found the correct connector at Maximillian. Thanks again.
Any chance you have the part number from them or link? I havent bought stuff from Maximillion in forever. Forgot about them.
by emac
Mon Aug 28, 2023 11:48 pm
Forum: Engine - Mechanical - Electrical
Topic: SRS light
Replies: 7
Views: 521

Re: SRS light

A few random thoughts: You could just remove the bulb. That is what I found on a car I purchased! Now, I always check the lights when the key is turned on when looking at a car. You may want to try removing the battery lead for a while to try and clear the memory. Doubtful that will work. You could ...
by emac
Mon Aug 28, 2023 2:25 pm
Forum: Suspension - Steering - Brakes
Topic: Mwrench Steering Fix
Replies: 13
Views: 2488

Re: Mwrench Steering Fix

Great news. I wish Ed the best in his health! His kit fit perfect on my car.
by emac
Mon Aug 28, 2023 12:56 pm
Forum: Engine - Mechanical - Electrical
Topic: Fuel Rail Leak
Replies: 9
Views: 623

Re: Fuel Rail Leak

Thanks Emac, Yes, I have already had all of the injectors cleaned, rebuilt and flow-checked. The car has only done about 20 miles since I refitted the refurbished injectors, so I am a little confudsed as to why I have a leak. Cheers, Ian Ian, that really sucks. If they replaced all the seals, it co...
by emac
Sun Aug 27, 2023 8:38 pm
Forum: Engine - Mechanical - Electrical
Topic: Fuel Rail Leak
Replies: 9
Views: 623

Re: Fuel Rail Leak

The injector has a seal top and bottom, it is just pushed into the fuel rail to make the seal. A metal clip holds it together. It may be a good time to just pull off the fuel rail and get the injectors cleaned and new seals. I did this recently on an older pcar that had been sitting. A local guy cle...
by emac
Sun Aug 27, 2023 3:12 pm
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

Did some testing and it appears the reference and speed sensors have bit the dust. Weird both of them are testing bad, but I quadruple checked them and they failed the test based on the article. Both sensors are stamped with BMW, so they may be original. I will post up results when the new ones arri...
by emac
Sun Aug 27, 2023 1:58 am
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

Re: 87 m6 no start

I think I found the article I was looking for!

https://hpsimotorsports.com/blogs/tech- ... ch-article
by emac
Sat Aug 26, 2023 9:04 pm
Forum: Engine - Mechanical - Electrical
Topic: 87 m6 no start
Replies: 9
Views: 715

87 m6 no start

I haven't run my car for a few months and needed to move it today and it wouldn't start. Cranks over fine, but not firing up. I haven't dug into it yet. Most everything is pretty new. Both fuel pumps, recent new relays, etc. I did disconnect the fuel return line at the the pressure relief valve and ...