Crank, No Start

Tiny
SCHAUBEL
  • MEMBER
  • 1994 BMW 530I
  • 3.0L
  • V8
  • RWD
  • AUTOMATIC
  • 150,000 MILES
Turn key and engine cranks, with a high pitch whirling sound that is higher pitched than normal. Continues to whirl, but it doesn't start. I can smell fuel, like it's flooded. However, I have never put my foot on the gas to start it. AAA came by and hooked up external battery AND battery cables to truck, but it still won't turn over/ignite. Prior to this the dash panel said I had a brake light out, then a tail light. Otherwise, when I turn the key, the dash panel says Trans Program. Help.
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Saturday, March 4th, 2017 AT 11:57 AM

7 Replies

Tiny
KHLOW2008
  • EXPERT
If the engine is whirling at high speed, it could be due to loss of compression. You would need to have the compression tested. You would also need to check for sparks.
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Sunday, March 5th, 2017 AT 7:47 AM
Tiny
SCHAUBEL
  • MEMBER
Thank you very much. I had a compression test done when I bought the car, and it was excellent, but that was 4 years ago. I also had all new plugs, wires and even boots replaced a few months ago. I'm having it towed to a mechanic on Monday, so I'm hoping it's something simple, like a 30 amp fuse I can't find or some gremlin thing I can fix cheap. The car has been pristine and this is the first problem I've had, thus far.
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Sunday, March 5th, 2017 AT 8:06 AM
Tiny
KHLOW2008
  • EXPERT
Hope it is just a small problem. Good luck.
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Monday, March 6th, 2017 AT 7:15 AM
Tiny
SCHAUBEL
  • MEMBER
Thank you. A friend came over with a battery tester, which registered at 13.1, and a multi-meter, which every fuse we tested sounded good. Unless there are 30 amp fuses hiding behind the glove box or something, I've run out of stuff to test. He thinks it's my starter/motor, I wish I could upload the video of the car turning over so people could access the "crank, no start" scenario better. In the meantime, I'm trying to find a garage in my home town to take it to. Thus far, everyone I've emailed will not confirm the price for just a starter/motor and labour, citing [opportunities] to find other problems and not want to commit to a single quote.
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Monday, March 6th, 2017 AT 8:41 AM
Tiny
KEN
  • ADMIN
Hello,

It sounds like you lost a tinning chain which is typical for that car with the miles it has on it. I wont do another compression test to see if it has nay, you can do the test without a gauge as well.

Here is a guide to help you, a video to the test without a gauge is at the bottom.

https://www.2carpros.com/articles/how-to-test-engine-compression

Please let us know what happens.

Best, Ken
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Wednesday, March 8th, 2017 AT 12:22 PM
Tiny
SCHAUBEL
  • MEMBER
Hello everyone. I want to thank each and every one of you for putting your best efforts forward to help me solve the problem(s) with my car. I greatly appreciate your vast experience and knowledge. My car is officially home, fixed and running better than the first day I bought it! I want to update you on what I discovered so we can both learn something new and interesting as we support others with a BMW.

I emailed 5 garages and I got a range of responses founded largely on a costly trial-and-error approach to fixing my car. Two garages were convinced it was a starter/motor issue with possible electrical gremlins to explore, two garages were convinced it was a timing belt issue with possible fuel line/pump gremlins to explore, and one garage just plain asked me to bring it in and they'll let me know when it's fixed. At the last minute a friend told me of a 'home mechanic' who specialized in starters and could otherwise help narrow the issue(s). Ironically, he immediately told me it was not the starter and said he thought it was the timing belt. Lol Anyway, he told me to tow it next to a garage that was located the furthest possible distance from my home and I had to sent it alone as I had to race home to work. The mechanic informed me my left valve cover was visibly cracked, allowing two cylinders to be flooded with oil. He also said three cylinders had hockey puck sized chunks of carbon grit literally frozen in place. I change my oil every 10,000 kms, so I'm confused how this happened. However, the compression test was showing barely 30-40% in most valves. So, he drained the oil, flushed the engine, put new synthetic oil in, put a new valve cover on the left side, and my car is purring. The new compression test is showing 100% in most valves, but a few are around 90% and it may be the seals.

I've learned so much! Best of all, I actually found an honest mechanic who relies on test results before guessing. I continue to systematically replace all hoses, belts, and even bulbs I can in preparation for a road trip this summer. If any of you end up visiting British Columbia, drop me a line and have any work you need done at Spike Auto in Richmond.
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Sunday, March 12th, 2017 AT 5:19 PM
Tiny
KEN
  • ADMIN
Glad you could get it fixed please use 2CarPros. Com anytime we are here to help

Best, Ken
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Monday, March 13th, 2017 AT 12:08 PM

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