20 Most Recent 2000 BMW Z3 - Page 8 Questions & Answers

Yes, it is very possible for the Mass Air Flow sensor (aka MAF) to cause a misfire. You need to replace the MAF if it's causing a misfire. More detail please if this doesn't answer your question

BMW Z3 Cars &... | Answered on Oct 11, 2013

firstly, do you have the equipment to change the head gasket.
ie: a suitable torque wrench for the head bolts?
do you know how to re-time the engine having removed and refitted the timing belt(which you should renew)
I`mj looking at the worshop manual now and I presume you know how to strip an engine
The important part is when you replace the head (having made sure it`s not warped or cracked) and having cleaned all mating surfaces, you should have ten cylinder head bolts the tightening sequence is ____________________________
8 6 2 4 10

9 3 1 5 7

the torque settings are assuming you`rs is a M.40 engine is stage1 30 n/m stage 2: angle tighten 90 degrees stage 3 angle tighten 90 degrees.

Good Luck


BMW Z3 Cars &... | Answered on Sep 06, 2013

may wind up being a dealer service issue..since the computer needs recalibrated also..

BMW Z3 Cars &... | Answered on Feb 09, 2013

hose off somewhere follow all vac hoses from manifold to destinations and make sure they are not broken/cracked and are connected

BMW Z3 Cars &... | Answered on Nov 27, 2012

Hi there:

The knock sensor responds to spark knock caused by Pre-detonation of the Air/Fuel mixture. As the flame front moves out from the spark plug ignition point, pressure waves in the chamber crash into the piston or cylinder walls resulting in a sound known as a knock or ping. This is caused by using a fuel with a low octane rating, overheating, or over advanced timing. Sometimes it can be caused by hot carbon deposits on the piston or cylinder head that raise compression. A knock sensor is comprised of Piezoelectric materials; Crystals that when impacted, generate a voltage (same idea as a BBQ ignitor). This voltage is monitored by the computer, and when an irregularity is detected, the computer corrects timing in VVT (variable valve timing) engines, or triggers a DTC Diagnostic Trouble Code) in older vehicles.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

BMW Z3 Cars &... | Answered on Aug 07, 2012

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