BMW 12317543083 Exchange Alternator

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Disconnect the negative battery cable. Remove the alternator drivebelt. On 2.0L models, remove the tensioner. Remove the air cleaner housing. Unlock and disconnect the electrical connector, remove the nut and disconnect the battery cable from the rear of the alternator. Remove upper and lower mounting bolts, then remove alternator. Note: Since crankcase is made of magnesium, mounting bolts are aluminum and cannot be reused; use new bolts instead. On 3.0L models, to remove the alternator pulley on units with an over-running clutch, mount alternator in a bench vise and pry off plastic cap while using BMW tool No 12 7 121 inserted into center of pulley to hold it until pulley center is loosened while holding shaft stationary using BMW tool No 12 7 122 or equivalent tools by aftermarket tool manufacturers. Pulley can be removed by putting BMW tool No 12 7 121 into centre of pulley while holding shaft stationary using BMW tool No 12 7 122 or equivalent tools by aftermarket tool manufacturers; loosen pulley centre as you hold shaft stationary along its lengthwise direction up to removal point without losing sight that there are other suitable alternative tools which may either be offered by after market companies specializing in these kind of work or even manufactured by some leading garage brands like Snap-on among others who deal with specific vehicle make so that they meet needs indicated under whatever reason they demand specifically this type for their customers whose cars they deal with (i.e., vehicles produced by either OEMs (Original Equipment Manufacturers) or ODMs (Original Design Manufacturers)) indicated when making orders accordingly put their specifications pertaining appropriate use thereof before ordering them from any manufacturer including itself alternatively get in touch directly via mail because most probably you could easily find somebody who has already come across same predicament way back thus obtain complete control over his/her mind again unless he/she decides to keep quiet. Note: On 2.0L models, the alternator pulley should not be removed. The pulley is part of the alternator and cannot be replaced separately; if there is a problem with it, one must replace the entire unit rather than just changing that component (which would also solve their issues once for all). Installation: Installation is the reverse of removal, tightening all fasteners to their specified torque where given. If an alternator is suspected, it should be disconnected from the vehicle and taken to a dealer's service centre or other qualified repairer for testing though checking first on how much repairs will cost before even taking a step as this could end up being cheaper if you consider getting instead new one or another which has been remanufactured by its manufacturer under warranty period since these costs may sometimes exceed those charged when purchasing used but still in good condition ones depending upon state economy among other factors like availability; therefore final decision lies entirely yourselves alone!

Disconnect the negative battery cable. Remove the alternator drivebelt. On 2.0L models, remove the tensioner. Remove the air cleaner housing. Unlock and disconnect the electrical connector, remove the nut and disconnect the battery cable from the rear of the alternator. Remove upper and lower mounting bolts, then remove alternator. Note: Since crankcase is made of magnesium, mounting bolts are aluminum and cannot be reused; use new bolts instead. On 3.0L models, to remove the alternator pulley on units with an over-running clutch, mount alternator in a bench vise and pry off plastic cap while using BMW tool No 12 7 121 inserted into center of pulley to hold it until pulley center is loosened while holding shaft stationary using BMW tool No 12 7 122 or equivalent tools by aftermarket tool manufacturers. Pulley can be removed by putting BMW tool No 12 7 121 into centre of pulley while holding shaft stationary using BMW tool No 12 7 122 or equivalent tools by aftermarket tool manufacturers; loosen pulley centre as you hold shaft stationary along its lengthwise direction up to removal point without losing sight that there are other suitable alternative tools which may either be offered by after market companies specializing in these kind of work or even manufactured by some leading garage brands like Snap-on among others who deal with specific vehicle make so that they meet needs indicated under whatever reason they demand specifically this type for their customers whose cars they deal with (i.e., vehicles produced by either OEMs (Original Equipment Manufacturers) or ODMs (Original Design Manufacturers)) indicated when making orders accordingly put their specifications pertaining appropriate use thereof before ordering them from any manufacturer including itself alternatively get in touch directly via mail because most probably you could easily find somebody who has already come across same predicament way back thus obtain complete control over his/her mind again unless he/she decides to keep quiet. Note: On 2.0L models, the alternator pulley should not be removed. The pulley is part of the alternator and cannot be replaced separately; if there is a problem with it, one must replace the entire unit rather than just changing that component (which would also solve their issues once for all). Installation: Installation is the reverse of removal, tightening all fasteners to their specified torque where given. If an alternator is suspected, it should be disconnected from the vehicle and taken to a dealer's service centre or other qualified repairer for testing though checking first on how much repairs will cost before even taking a step as this could end up being cheaper if you consider getting instead new one or another which has been remanufactured by its manufacturer under warranty period since these costs may sometimes exceed those charged when purchasing used but still in good condition ones depending upon state economy among other factors like availability; therefore final decision lies entirely yourselves alone!