Bosch Starter Motor 12V 1.7KW 9 Tooth CW Part No. 1986S00712

Bosch starter motor, 12V, 1.7kW, clockwise rotation, with 9 teeth and part number 1986S00712. It is listed as a new unit and uses a dry clutch application, which makes the key matching points voltage, rotation, tooth count, flange size and overall length important when checking replacement suitability.

The main physical and electrical details are 237mm overall length, 76mm flange diameter, M10 mount hole diameter, 21mm pinion at rest and a weight of 3.534kg. These measurements matter because starter motors must match the vehicle application closely for mounting, pinion engagement and electrical setup.

Bosch lists the OEM number 12417610347 against this starter motor, along with a 12 month warranty. The product is sold as each and sits in the rotating electrical / starter motor group, so it is a direct replacement-style part rather than a universal component.

Key Features

• Bosch starter motor
• 12V electrical system
• 1.7kW power rating
• 9 tooth pinion
• Clockwise rotation
• Dry clutch application

Specifications

• Part No.: 1986S00712
• OEM Number: 12417610347
• Voltage: 12V
• Power Rating: 1.7kW
• Rotation: CW
• Number of Teeth: 9
• Overall Length: 237mm
• Flange Diameter: 76mm

Fitment

• BMW 5 series
• BMW 6 series
• BMW 7 series
• BMW 5 applications listed for 2003, 2004, 2005, 2006, 2007, 2008 and 2009
• BMW 6 applications listed for 2003, 2004, 2005 and 2006

Application and Buying Notes

When replacing a starter motor, the safest match is the part number and the application details. This Bosch unit is identified as 1986S00712 and cross-references to OEM number 12417610347, so those two identifiers should be checked first against the removed unit or the vehicle parts listing.

The electrical specification is 12V with a 1.7kW power rating and clockwise rotation. Those details need to align with the vehicle’s starter system, because a starter motor with the wrong voltage, rotation or tooth count will not be a suitable replacement even if the mounting points appear similar.

Physical dimensions are just as important here: 237mm overall length, 76mm flange diameter, M10 mount holes and a 21mm pinion at rest. These measurements help confirm the starter will mount correctly and engage as intended, especially where space around the bell housing is tight.

The fitment information supplied points to BMW 5, BMW 6 and BMW 7 applications, with sample coverage shown for BMW 5 from 2003 through 2009 and BMW 6 from 2003 through 2006. That is useful as a guide, but the exact vehicle should still be matched by part number, engine variant and the existing starter’s dimensions before ordering.

This starter is listed as a dry clutch application and a new unit, so it should be compared with the removed starter rather than assumed interchangeable with every Bosch starter of similar shape. Dry clutch fitment, tooth count and pinion position are the practical checks that matter most during replacement.

The 3.534kg weight and Bosch build note, ‘built to withstand the harshest environments’, indicate a substantial starter motor intended for proper OE-style replacement use. Even so, final suitability depends on the vehicle’s exact application, not just brand name or visual similarity.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number 1986S00712 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type STARTER MOTOR, Unit of Measure EACH, Warranty 12 Months, Mount Hole Diameter M10, Overall Length 237mm, Power Rating 1.7kW, Voltage 12, Wet / Dry Clutch Dry, Weight 3.534kg, Product Group 1 ROTATING ELECTRICAL.

Additional published details for cross-checking include Part No. 1986S00712, Brand BOSCH, Description Bosch Starter Motor 12V 9Th CW, Flange Diameter 76mm, Number of Teeth 9, Pinion at Rest 21mm, Rotation CW, New / Reman. New, OEM Number 12417610347.

Bosch Starter Motor 12V 9Th CW. Part number 1986S00712 should be checked first. Listed voltage is 12. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 1986S00712, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a starter motor in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include BMW 5, BMW 5 2003, BMW 5 2004, BMW 5 2005. Even with application listings, final confirmation should still be based on the exact unit being replaced and the service requirements of the vehicle or machine.

Compatibility note: Confirm fitment using part number 1986S00712, OEM number 12417610347, and the vehicle’s exact application details before purchase. If the original starter differs in voltage, rotation, tooth count, flange diameter, mount hole size or overall length, it should be treated as a different part.

FAQ

What type of part is this?

It is a Bosch starter motor, listed as a new unit for a 12V vehicle electrical system.

What is the part number?

The part number is 1986S00712. The OEM number listed is 12417610347.

What are the key electrical specifications?

The starter motor is 12V and rated at 1.7kW.

What rotation and tooth count does it have?

It has clockwise rotation and 9 teeth.

What are the main mounting dimensions?

The listed dimensions are 237mm overall length, 76mm flange diameter, M10 mount hole diameter and 21mm pinion at rest.

What vehicles is it listed against?

The supplied fitment points to BMW 5, BMW 6 and BMW 7 applications, with sample coverage shown for BMW 5 from 2003 to 2009 and BMW 6 from 2003 to 2006. Exact fitment should still be confirmed against the part number and vehicle details.