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The BMW Range
3 Series
E90, E91, E92, E93
loud tic-tick sound when idling from cold start
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<blockquote data-quote="E46Fanatic" data-source="post: 350404" data-attributes="member: 81"><p>Some useful info on this topic is found in the BMW service bulletin..</p><p></p><p>-----</p><p>SI B 11 09 07</p><p>Engine January 2009</p><p>Technical Service</p><p> </p><p>This Service Information bulletin supersedes SI 11 09 07 dated April 2008.</p><p> designates changes to this revision</p><p>SUBJECT</p><p>Intermittent Hydraulic Valve Adjuster (HVA): "Ticking" or "Rattling" Noises</p><p>MODEL</p><p> All E82, E83, E85, E86, E88, E60, E61, E70, E90, E91, E92, and E93 with the N51, N52 or N52K engines</p><p>SITUATION</p><p>An occasional ticking or rattling noise from the HVA elements may occur during cold engine starts or frequent short-distance driving.</p><p>CAUSE</p><p>In these situations, the HVA elements may not yet have been supplied with sufficient amounts of air-free oil. This condition will not cause any damage to the engine, and usually remedies itself with a longer driving distance or operating times at full operating temperature.</p><p>CORRECTION</p><p>In the event of a customer complaint, please perform the following the HVA bleeding procedure.</p><p>PROCEDURE</p><p>Important notes:</p><p>The bleed time may take anywhere from between two minutes and (in rare cases) to a maximum of 30 minutes. This procedure is to be performed on a level surface with the vehicle stationary, and in a properly ventilated area.</p><p>Procedure preconditions:</p><p>Engine oil level correct – neither underfilled nor overfilled</p><p>Engine running at operating temperature</p><p>Bring the engine up to an operating speed (no load) of 2000-3000 rpm and maintain this condition for three minutes (bleeding procedure).</p><p>Let the engine idle for 15-30 seconds and reevaluate whether the noise is still present or not.</p><p>Engine quiet – procedure is finished.</p><p>Engine noise is still present – repeat the procedure; perform steps #1 and #2 up to a maximum of 5 times.</p><p>Only if the noise remains after performing the bleeding procedure 5 times: proceed by performing the procedure for a final time, also at an engine operating speed of 2000-3000 rpm, but for a total time duration of 15 minutes.</p><p>WARRANTY INFORMATION</p><p>Covered under the terms of the BMW New Vehicle Limited Warranty.</p><p>Defect Code</p><p>11 12 94 39 00</p><p>Labor Operation</p><p>00 57 087</p><p>Perform bleeding up to three times</p><p>Main Work*</p><p>Labor Allowance</p><p>5 FRU</p><p>Labor Operation</p><p>00 57 088</p><p>Perform bleeding 5 complete times</p><p>Main Work*</p><p>Labor Allowance</p><p>7 FRU</p><p>Labor Operation</p><p>00 57 089</p><p>Perform bleeding 5 complete times plus an additional </p><p>Main Work*</p><p>15 minute bleed run</p><p>Labor Allowance</p><p>11 FRU</p><p>Labor Operation</p><p>00 57 717</p><p>Perform bleeding up to three times</p><p>+ Associated Work</p><p>Labor Allowance</p><p>3 FRU</p><p>Labor Operation</p><p>00 57 718</p><p>Perform bleeding 5 complete times</p><p>+ Associated Work</p><p>Labor Allowance</p><p>5 FRU</p><p>Labor Operation</p><p>00 57 719</p><p>Perform bleeding 5 complete times plus an additional </p><p>+ Associated Work</p><p>15 minute bleed run</p><p>Labor Allowance</p><p>9 FRU</p><p>*Main Work - use this labor operation number when this is the only repair being performed, or if this is the main repair when performed along with other repairs at the same time. If this is not the main repair, refer to KSD for the associated (+) labor operation code.</p></blockquote><p></p>
[QUOTE="E46Fanatic, post: 350404, member: 81"] Some useful info on this topic is found in the BMW service bulletin.. ----- SI B 11 09 07 Engine January 2009 Technical Service This Service Information bulletin supersedes SI 11 09 07 dated April 2008. designates changes to this revision SUBJECT Intermittent Hydraulic Valve Adjuster (HVA): "Ticking" or "Rattling" Noises MODEL All E82, E83, E85, E86, E88, E60, E61, E70, E90, E91, E92, and E93 with the N51, N52 or N52K engines SITUATION An occasional ticking or rattling noise from the HVA elements may occur during cold engine starts or frequent short-distance driving. CAUSE In these situations, the HVA elements may not yet have been supplied with sufficient amounts of air-free oil. This condition will not cause any damage to the engine, and usually remedies itself with a longer driving distance or operating times at full operating temperature. CORRECTION In the event of a customer complaint, please perform the following the HVA bleeding procedure. PROCEDURE Important notes: The bleed time may take anywhere from between two minutes and (in rare cases) to a maximum of 30 minutes. This procedure is to be performed on a level surface with the vehicle stationary, and in a properly ventilated area. Procedure preconditions: Engine oil level correct – neither underfilled nor overfilled Engine running at operating temperature Bring the engine up to an operating speed (no load) of 2000-3000 rpm and maintain this condition for three minutes (bleeding procedure). Let the engine idle for 15-30 seconds and reevaluate whether the noise is still present or not. Engine quiet – procedure is finished. Engine noise is still present – repeat the procedure; perform steps #1 and #2 up to a maximum of 5 times. Only if the noise remains after performing the bleeding procedure 5 times: proceed by performing the procedure for a final time, also at an engine operating speed of 2000-3000 rpm, but for a total time duration of 15 minutes. WARRANTY INFORMATION Covered under the terms of the BMW New Vehicle Limited Warranty. Defect Code 11 12 94 39 00 Labor Operation 00 57 087 Perform bleeding up to three times Main Work* Labor Allowance 5 FRU Labor Operation 00 57 088 Perform bleeding 5 complete times Main Work* Labor Allowance 7 FRU Labor Operation 00 57 089 Perform bleeding 5 complete times plus an additional Main Work* 15 minute bleed run Labor Allowance 11 FRU Labor Operation 00 57 717 Perform bleeding up to three times + Associated Work Labor Allowance 3 FRU Labor Operation 00 57 718 Perform bleeding 5 complete times + Associated Work Labor Allowance 5 FRU Labor Operation 00 57 719 Perform bleeding 5 complete times plus an additional + Associated Work 15 minute bleed run Labor Allowance 9 FRU *Main Work - use this labor operation number when this is the only repair being performed, or if this is the main repair when performed along with other repairs at the same time. If this is not the main repair, refer to KSD for the associated (+) labor operation code. [/QUOTE]
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loud tic-tick sound when idling from cold start
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