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Question

I have a BMW 330 ci. The engine light has come on. The code is the cam shaft positioning sensor bank # 1 is at fault. Can I repair this my self? What other problems could this be.

Thank you:

Bill Day

Submitted: 89 days and 15 hours ago.
Category: BMW
Value: $40
Status: CLOSED
+
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Optional Information

Year: 2001
Make: BMW
Model: 330 ci
Engine: 330 with 90000 miles

Already Tried:
Just got error code. Cam positioning sensor bank # 1. Buy the way mechanic quoted me $460 with out any info. I have looked up the price of the sensor. $116. I noticed two parts. one was a harness switch and the other part, I thick this must fit inside the valve cover close the cam? In any case I need to get this fixed. The car is running very slow. I think it must be some type of lump mode. The car ran great before the light came on. I hope the fix is when reason. Buy the way, what would be the cost at the BMW dealer?

Posted by brownjeff 89 days and 15 hours ago.

Info Request

What year is the car?

89 days and 15 hours ago.

Reply

BMW 2001 330 CI with 90,000 miles on it, Thanks

Accepted Answer

There are two sensors one for the intake and one for the exhaust. Either one would be around $200.00 to replace.

 

Replacing Intake Camshaft Position Sensor Bank I, Sensor I (A) / Pulse Generator On Inlet Camshaft

Necessary preliminary tasks:

  • Check stored fault messages.
  • Switch off ignition.
  • Remove suction filter housing

View Full Image

Note: Arrow shows installation position of pulse generator.

Remove solenoid valve (1) of VANOS adjustment unit for inlet camshaft.

Installation:

Replace sealing ring.

Tightening torque:

4/2-way valve/solenoid valve to VANOS housing 30 Nm

View Full Image


Disconnect plug connection (1) on cable duct (2).

View Full Image


Release screw (1) on pulse generator (2). Remove pulse generator (2) from cylinder head.

Note:

To facilitate installation of pulse generator lead:

Secure an approx. 50 cm long auxiliary lead to plug connection of pulse generator.

Feed out end of pulse generator lead but only to such an extent that the auxiliary lead remains in the original routing in the intake system.

Remove pulse generator with lead. Disconnect auxiliary lead from faulty pulse generator. Secure plug connection of new pulse generator to auxiliary lead. Using auxiliary lead, feed new lead of pulse generator through to cable duct at bottom.

Installation:

Check sealing ring for possible damage, replace if necessary.

Note:

Read out fault memory of DME control unit.

Now clear the fault memory.

 

 

 

Replacing Exhaust Camshaft Position Sensor Bank I, Sensor II (B) / Replacing Pulse Generator On Exhaust Camshaft

Turn off ignition.

View Full Image


Location:
On cylinder head at front on exhaust side.
Unlock plug (1) and detach from pulse generator.

View Full Image


Release screw (1) on cylinder head.
Remove pulse generator.

Installation:
Check sealing ring for possible damage, replace if necessary.

View Full Image


NOTE:
Interrogate fault memory of DME control module.
Check stored fault messages.
Rectify faults.
Then clear fault memory.

 

Picture
Expert: brownjeff
Pos. Feedback: 96.7 %
Accepts: 
Answered: 8/25/2009

ASE Certified Technician

ASE Certified Technician, 17 years experience, Delaership Certified, Service Manager for 15 years

89 days and 15 hours ago.

Reply

The fault was cleared. After about 2 starts, the fault came back. The car is really down on power.

Posted by brownjeff 89 days and 15 hours ago.

Info Request

What number was the code?

89 days and 15 hours ago.

Reply

I am sorry that I didn't write it down. My fault. The message that it gave is

Cam positioning sensor bank # 1

Posted by brownjeff 89 days and 15 hours ago.

Answer

Well the sensor can definitely cause the problem you are describing. I was just going to look up the code number and see what other possibilities there might be besides the sensor. Normally the code turn out to be the sensor, but I can't say for sure.

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