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E28 (1982 - 1988)

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  #1  
Old 09-24-2012, 10:29 AM
bobbrewerma bobbrewerma is offline
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Location: Massachusette
 
Join Date: Sep 2012
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Mein Auto: 524td
injector solenoid

have a 524td that needs some help on the injector pump. The pump needs a solenoid listed in Bosch manual 1 987 722 164 as
"solenoid valve for start-of-injection"
"Bosch" is embossed on the top of the solenoid along with the number 0 281 002 007 with the number 448 below. The local Bosch shop tells me they cannot cross-reference with BMW and BMW says they cannot cross-reference with Bosch. One wonders how they do business with one another -- perhaps they use smoke signals. In any case if anyone can help in any way I will appreciate it. I look forward to a long and pleasant relationship with my 524td, if I can find this part.

Thanks.

Bob Brewer
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  #2  
Old 09-27-2012, 08:01 PM
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catso catso is offline
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Location: Chicago
 
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Mein Auto: 2000 323i, 1988 528e
Quote:
Originally Posted by bobbrewerma View Post
have a 524td that needs some help on the injector pump. The pump needs a solenoid listed in Bosch manual 1 987 722 164 as
"solenoid valve for start-of-injection"
"Bosch" is embossed on the top of the solenoid along with the number 0 281 002 007 with the number 448 below. The local Bosch shop tells me they cannot cross-reference with BMW and BMW says they cannot cross-reference with Bosch. One wonders how they do business with one another -- perhaps they use smoke signals. In any case if anyone can help in any way I will appreciate it. I look forward to a long and pleasant relationship with my 524td, if I can find this part.

Thanks.

Bob Brewer
Have you tried looking up the BMW part number on www.RealOEM.com ? That should get you what you're looking for.
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  #3  
Old 09-28-2012, 01:37 PM
bobbrewerma bobbrewerma is offline
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Location: Massachusette
 
Join Date: Sep 2012
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Mein Auto: 524td
Timing Solenoid

Herein lies the problem -- BMW shows a part Solenoid Switch KSB 135 112 885 81 they can get it for $169.00 what they cannot do is cross reference the BMW part number with the Bosch # 0 281 002 007 to be certain that the two parts are the same -- and if I buy it I own it. What I cannot understand is -- presumably Bosch embosses their # 0 281 002 007 on the part as is the case on my expired solenoid -- since the picture of the solenoid in the exploded view of the injector doesn't look much like the actual solenoid -- how do BMW mechanics know they have the correct part? At $169.00 the BMW solenoid could turn out to be a very expensive paper weight, a risk , at this point, that I am unwilling to takehttp://s1.bimmerfest.com/forums/images/smilies/smile3453453.gif
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  #4  
Old 10-07-2012, 03:56 AM
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BMWFatherFigure BMWFatherFigure is offline
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Mein Auto: E23;E30;E38;E32;E34 +
What I believe happens is that BMW approach Bosch to make a part. Bosch do and sell it to BMW - BMW part number. Bosch may also make it for other engine makers under a that other maker's number and also for themselves under a Bosch part number. The Bosch parts book will only show Bosch part numbers - cheaper to buy than OEM part numbered item as it is handled less. Bosch outlets will not have access to OEM numbers due to confidentiality clauses in the contracts. Does it become clear? The part is the same for all users but numbers change. With all vehicle/engine info you should be able to get a Bosch part from Bosch and fit it with no problems.
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  #5  
Old 10-07-2012, 07:14 AM
bobbrewerma bobbrewerma is offline
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Location: Massachusette
 
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Mein Auto: 524td
injector solenoid

Appreciate the thought, but I remain skeptical. This part came from a Bosch VE injector installed in a 1985 BMW 524td. I realize that it might be a replacement -- but, if that is the case how did the replacement happen? by trial and error? try this Bosch part # then that Bosch # until the proper part is found? I don't think so. The cost to Bosch for inventory with, the same part in how many bins all with different numbers -- doesn't sound like the efficient Germans to me. The idea that Bosch might need to make more solenoids with the BMW # while in the next bin they have stock on the same part with the Bosch # also doesn't sound like the efficient Germans to me, not to mention that it is a formula for significantly higher prices for everyone. Sorry, but I don't see it now.
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  #6  
Old 10-07-2012, 06:23 PM
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BMWFatherFigure BMWFatherFigure is offline
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Mein Auto: E23;E30;E38;E32;E34 +
Stamping a different number on a part is a 'no cost option' for Bosch. The cost of a dealer part is higher because Bosch sell it to car maker 'X' - who sell it to their stealer network who hold it in stock as 'dead money' until you buy it. That is why it is more expensive. Buying direct from Bosch cuts out two 're-sales'. BMW never made a relay, fuse, globe, injector, starter etc etc in their lives. BUT they sold a few at a handsome proffit!! Bosch know what the spec for the part they built is/was. The Bosch part number will not change - OEM numbers do. For example my local stealer will charge $5 for a 12v 21w globe I buy for $1.50 (actual figures).
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Good - Fast - Cheap: Pick any two.
Current:
E23 735i; E32 735iL (X 2 - 1 Alpine White and 1 Glacier Blue); E34 535i; E38 735iL; R50 Cooper; R55 Cooper Clubman.
Previous:
E21 318i; E30 318i; E32 735iL; E34 535i; E38 730iL; E53 4.4i

Last edited by BMWFatherFigure; 10-07-2012 at 06:25 PM.
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