Triple Ground Electrode Spark Plug for BMW
12120037244
12120038349
12120034091
ZGR6STE2
ZKBR7AP-HTU
3-Ground Electrodes
Product Detail
| ST NO. | Brand | OE NO. | OEM NO. | MATERIALS 1 | MATERIALS 2 | ORIGINAL | FIT FOR |
| STSP1101 | BMW | 12 12 0 037 244 | ZGR6STE2 | 3-Ground Electrodes | BOSCH | new 7serious | |
| BMW | 12 12 0 038 349 | ZKBR7AP-HTU | 3-Ground Electrodes | NGK | BMW N53 3.0 | ||
| BMW | 12 12 0 034 091 | ZKBR7AP-HTU | 3-Ground Electrodes | NGK | 520i 2.0 |
STSP1101 is a BMW-focused engine spark plug range covering three OE references and two corresponding OEM references currently listed on this page. All listed products are identified with a 3-Ground Electrodes firing-end configuration, providing a focused multi-ground spark plug range for distributors, importers and automotive aftermarket buyers.
According to the current product list, OE No. 12120037244 is matched with ZGR6STE2, while 12120038349 and 12120034091 are listed with ZKBR7AP-HTU. Because the range contains two different OEM spark plug references, each required item should be confirmed according to the OE/OEM relationship shown on the page rather than treated as an identical specification.
For wholesale sourcing, grouping these related BMW references under STSP1101 can simplify quotation and inventory management while keeping each replacement requirement clearly identified for purchasing and repeat orders.
How the Triple-Ground Electrode Design Works
A triple-ground spark plug uses three ground electrodes around the center firing area. This provides multiple available discharge paths instead of relying on one ground-electrode surface throughout the operating period of the spark plug.
The three ground electrodes do not create three sparks simultaneously. During each ignition event, only one spark is produced. As firing conditions and electrode wear change, the discharge can occur through different available ground-electrode surfaces.
Sharing firing activity between several ground surfaces helps distribute electrode wear rather than concentrating it continuously at one point. This is a practical characteristic of the multi-ground design and should not be described as producing a stronger spark simply because more electrodes are present.
A three-ground-electrode spark plug should be selected according to the required OE/OEM reference and firing-end configuration. A visually similar single-, twin- or multi-ground spark plug should not automatically be treated as interchangeable.
Purchasing Details for Bulk Orders
IGNX supplies STSP1101 for distributors, importers and automotive aftermarket brands. For bulk, mixed-reference or repeat purchasing, buyers should confirm each required spark plug according to the OE No. and corresponding OEM No. already provided in the product list.
For quotation, buyers can submit the required OE or OEM reference from the list above together with order quantity, packaging requirements and any private-label information. For mixed-reference or repeat orders, confirming the complete purchasing list before production helps simplify specification checking, order management and inventory control.