Author Archives: bmwtechnician

Rat chew

Here’s a picture of the intake manifold off on a new B48 engine,,,customer came in car has no power and check engine light on,,,I checked faults and found coolant temp sensor and bank 1 knock sensor short circuit no signal,,,decided … Continue reading

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Bonehead mechanic

Got this the other day,,,,E90 came in with check engine light on,,,,I could tell some kind of backyard mechanic has been working on this car and trying to fix the problem,,,,but they made the problem worse. The faults were lean … Continue reading

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New B engine mechanical water pump

Here are pictures of the new B engines with a old style mechanical water pump,,,,as you can see some white dried up coolant leaking from the water pump. here are some more pictures of this fine new design water pump,,,,I … Continue reading

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G30 530e road damage

Customer came in and said he ran over something,,,so I checked out the damage and saw customer tore away the lower fuel tank support bracket,,,the mounting bolts were tore away from the body,,,the customer is lucky no orange high voltage … Continue reading

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Z4 road hazard

 This is not what you want to happen on the freeway  and no where to pull over. The transmission had no fluid left of course,,, so I decided to check for faults,,,found a fault for clutch pack A ,,,,looks like the … Continue reading

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X6M bad news

   Ok this is bad news,,,X6 M engine came in not running good,,,,vanos issue on bank 1,,,,engine wasn’t taken care,,,the engine had a lot of oil leaks and coolant leaks,,,,valve stem seals leaking really bad,,,,also when you started the engine … Continue reading

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Oil pressure and oil temp sensor

 Check engine light came on a N20  saying engine temperature faulty,,,,checked connection ok,,,the sensor is located under the intake manifold you remove the intake pipe and throttle housing to gain access.  Here is the old and new sensor,,,this sensor does oil … Continue reading

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